Findings Of Fact Respondent is an individual who owns or operates a water system that provides piped water for human consumption to the Hardy House Diner in Washington county, Florida. The water system serves at least 35 persons daily at least 60 days out of the year. Respondent has owned or operated the water system since at least October 28, 1976. Respondent does not continually apply effective disinfectant measure to the water distributed to the customer of the Hardy House Diner, nor is Respondent's water system equipped with any disinfection equipment. Respondent's water system has a daily flow greater than 2,500 gallons per day, but less than 100,000 gallons per day. The operation, maintenance and supervision of the water system is not performed by a person who has passed an examination that entitles such a person to be a certified operator. Neither the Department nor the Washington County, Florida Health Department has received from Respondent reports which contained information about the operation and maintenance of the Respondent's water system. The water system's lack of disinfectant equipment and the absence of a certified operator for the system and Respondent's failure to file operation reports have existed continuously since "October, 1976. Representatives of the Department conducted a public water systems inspection of Respondent's water system on October 26, 1976. At that time, the system was found to be unsatisfactory in several categories, including general plant condition, existence of safety hazards, lack of chlorination, failure to submit regular reports, failure to submit monthly bacteriological samples, failure to perform chemical analysis of drinking water and failure to install a raw water tap between the pump and point of chlorination. A second inspection was performed on April 7, 1977, in which it was determined that Respondent still had not installed a chlorinations system, had failed to submit monthly operating reports had failed to employ a certified operator, had failed to submit monthly bacteriological samples, and had failed to perform annual chemical analysis of water disposed from the system. On December 7, 1977, a representative of the Department whose job responsibilities included inspecting public water systems was refused permission to enter and inspect the water system serving the Hardy house diner and its customer. The Department representative was refused entry after he had identified himself and made his purpose known to Respondent. The Department has incurred expenses of $117.58, including personnel time and travel expense, in the course of investigating Respondent's alleged violations.
Recommendation RECOMMENDED: That a final order be entered by the State of Florida, Department of Environmental Regulation, finding the Respondent to be in violation of the above-referenced statutes and regulations, and requiring Respondent to pay the state its reasonable costs and expenses, in the amount of $117.58 incurred in investigating and prosecuting this administrative proceeding. RECOMMENDED this 26th day of February, 1979, at Tallahassee, Florida. WILLIAM E. WILLIAMS, Hearing Officer Division of Administrative Hearings The DeSoto Building 2230 Apalachee Parkway Tallahassee, Florida 32399-1550 (904) 488-9675 Filed with the Clerk of the Division of Administrative Hearings this 26th day of February, 1979. COPIES FURNISHED: Vance W. Kidder, Esquire Assistant General Counsel Department of Environmental Regulation 2600 Blair Stone Road Tallahassee, Florida 32301 Mr. Eugene Hardy 1005 Highway 90 West Chipley, Florida 32428 ================================================================= AGENCY FINAL ORDER ================================================================= STATE OF FLORIDA DEPARTMENT OF ENVIRONMENTAL REGULATION STATE OF FLORIDA, DEPARTMENT OF ENVIRONMENTAL REGULATION, Petitioner, vs. CASE NO. 78-1209 DER Case No. WC-10-78 EUGENE HARDY, Respondent. /
The Issue Whether the rules promulgated by the Department of Environmental Regulation require the Respondent to employ the services of a state certified water system operator to operate the water systems at the two business locations involved in these proceedings.
Findings Of Fact At all times material to these proceedings, the Respondent was responsible for the operation of two water systems. One water system is located on Highway 92 West, Winter Haven, Polk County. The other water system is located on State Road 37 South, Mulberry, Polk County. The restaurant and bar business operated at the Winter Haven location is known as the Rainbow Club. Customers eat food and drink beverages prepared with water from the on site water system. The system serves at least twenty- five individuals daily, at least sixty days out of the year. The convenience store business operated in Mulberry serves ice tea, juices, and coffee to customers which is prepared with water from the on site water system. The system serves at least twenty-five individuals daily, at least sixty days out of the year. During the recent past, the Respondent retained a certified operator to meet the state requirements. He was not satisfied with the operator for the following reasons: (1) He had to show the man how to chlorinate the water. (2) The operator took the required chlorine samples from water that had not been chlorinated. (3) Visits were not made to the site as scheduled. (4) The pump at one of the establishments was harmed by the certified operator. (5) The expense of four hundred dollars a month for the testing of three sites operated by the Respondent was too much money. The Respondent wants to be able to chlorinate the water and maintain the systems himself. He has professional experience regulating the chemical balance of water in swimming pools. The samples he turned into the lab himself were good. The Respondent also wants to keep the old well next to the convenience store in Mulberry. He disagrees with the Department's request that he abandon the well because he needs it for an adjoining piece of property. This well is used for lawns, not for the convenience store business. The Department is amenable to the Respondent maintaining his own systems if he is certified to do so. The next examination is scheduled for November 1990.
The Issue The issue to be determined in this case is whether the City of Tarpon Springs (“City”) is entitled to a industrial wastewater facility permit for its proposed discharge of demineralization concentrate into the Gulf of Mexico adjacent to Pasco County, Florida.
Findings Of Fact The Parties Henry Ross is a resident of Tarpon Springs. In his petition for hearing, he alleges that he is a recreational fisherman and a "consumer of fish taken from the area" where the proposed wastewater discharge would occur. He presented no evidence at the final hearing to prove these allegations. Neither the City or the Department stipulated to facts that would establish Ross's standing. The City of Tarpon Springs is a municipality in Pinellas County and the applicant for the industrial wastewater permit that is challenged by Ross. The Department is the agency charged by law with the duty, and granted the power, to regulate the discharge of pollutants into waters of the State. The Proposed Permit - General Due to the cost of obtaining potable water from Pinellas County Utilities, the City decided to look for another source of drinking water. In February 2004, an alternative water supply plan was developed by the City’s Office of Public Services which analyzed potable water supply options. It determined that the withdrawal and treatment of brackish groundwater represented the best option for the City. The proposed permit authorizes the City to discharge industrial wastewater into waters of the State. The wastewater is demineralization concentrate, which is produced when RO technology is used to remove salts from brackish water to convert it to potable water. The wastewater would be produced in conjunction with the operation of a not-yet-constructed WTP that would supply public drinking water to the residents of the City. The City must also obtain a consumptive use permit from the Southwest Florida Water Management District for the proposed withdrawal of groundwater. Whether the Town is entitled to a consumptive use permit is not at issue in this proceeding. The industrial wastewater permit would authorize a maximum daily discharge of 2.79 million gallons per day ("mgd") of RO concentrate. The initial operation of the WTP, however, is expected to discharge 1.05 mgd. The RO concentrate would be transported via a force main from the WTP in the City to an outfall in Pasco County. The outfall would discharge the wastewater into a canal which is already being used for the discharge of cooling water from Progress Energy Florida, Inc.’s Anclote Power Generation Facility. The outfall would be 50 feet north of the point in the canal where Progress Energy is required to demonstrate compliance with its own permitting requirements, so as not to interfere with Progress Energy's ability to demonstrate compliance. There is a floating barrier in the channel north of the proposed point of discharge, and a fence along the side of the canal, to prevent swimmers, boaters, and persons on foot from getting near the Progress Energy power plant. The floating barrier and fence would also prevent swimmers, boaters, or pedestrians from reaching the proposed discharge outfall and the area of the canal where the discharge will initially mix. After being discharged into the canal, the wastewater would become diluted and flow northward, out of the canal and into the open waters of the Gulf. The prevailing currents in area would most often force the wastewater south toward Pinellas County and the mouth of the Anclote River. To determine the characteristics of the wastewater, the City's consultants collected water from the three proposed well fields for the new WTP and ran the water through a small, pilot-scale RO unit to generate an RO concentrate that is representative of the proposed RO discharge. It was determined that eight constituents of the wastewater would likely be present in concentrations that would exceed applicable state water quality standards: aluminum, copper, iron, gross alpha (a radioactivity measurement), total radium, selenium, nickel, and zinc. The Mixing Zones The Department may authorize mixing zones in which a wastewater discharge is allowed to mix with the receiving waters. See Fla. Admin. Code R. 62-4.244. Within the mixing zone, certain minimum water quality criteria must be met. At the outer boundary of the mixing zone, the applicable state water quality standards must be met. In this case, the water quality standards for Class III marine waters are applicable. The City's consultants analyzed the wastewater, receiving waters, and other factors and used an analytical model to simulate a number of mixing scenarios. In cooperation with Department staff, a separate mixing zone was established for each of the eight constituents that are not expected to meet water quality standards at the outfall. The largest mixing zone, for copper, is 1,483.9 square meters. The smallest mixing zone, for nickel, is 0.7 square meters. The mixing zones are conservatively large to assure sufficient mixing. Under most conditions, the mixing is expected to occur in a smaller area. Toxicity Analysis Among the minimum criteria that must be met within a mixing zone is the requirement to avoid conditions that are acutely toxic. See Fla. Admin Code R. 62-302.500(1)(a). A wastewater discharge is tested for potential acute toxicity by exposing test organisms to the undiluted discharge and determining whether more than 50 percent of the organisms die within a specified time period. The test organisms, mysid shrimp and silverside minnow, are sensitive species. Therefore, when a discharge is not acutely toxic to these organisms, it can be reasonably presumed that the discharge would not harm the native organisms in the receiving waters. The acute toxicity test for the proposed RO concentrate indicated zero toxicity. The Department requested that the City also analyze the potential chronic toxicity of the proposed discharge. A wastewater discharge shows chronic toxicity if exposure to the discharge adversely affects the growth and weight of the test organisms. The tests performed on the representative discharge showed that the proposed discharge of RO concentrate would not create chronic toxicity in the mixing zones. Petitioner’s expert witness, Ann Ney, did not review the toxicity analyses or other water quality data that were submitted to the Department by the City. However, she expressed a general concern about a salty discharge that could create stratification in the canal with higher salinity at the bottom of the canal that might be hypoxic (little or no dissolved oxygen). The more persuasive evidence shows that salinity stratification, or a hypoxic condition, is unlikely to occur. The proposed permit requires the City to conduct quarterly chronic toxicity tests. The permit also requires the City to periodically test the water and sediments for any unexpected cumulative effects of the discharge. Evaluation of Disposal Options Florida Administrative Code Rule 62-620.625(6) requires that an applicant for a permit to discharge demineralization concentrate must investigate disposal options potentially available in the project area. The City evaluated blending the discharge concentrate with the City's re-use water irrigation program or with the City’s domestic wastewater discharge into the Anclote River. The RO concentrate was too salty for irrigation use and there was an inadequate volume of domestic wastewater available throughout the year. In addition, the Anclote River is an Outstanding Florida Water and, therefore, is afforded the highest water quality protection under Department rules. See Fla. Admin. Code R. 62-4.242(2). The City also looked at underground injection but that was economically unreasonable and there was concern about upward migration of the discharge. It was economically unreasonable to discharge the concentrate farther out into the Gulf. Anti-degradation Analysis For a proposed new discharge, a permit applicant must demonstrate that the use of another discharge location, land application, or recycling that would avoid the degradation of water quality is not economically and technologically reasonable. See Fla. Admin. Code R. 62-4.242(1)(d). As discussed above, the City investigated other disposal options, but they were not economically or technologically reasonable. An applicant for a permit authorizing a new discharge must demonstrate that any degradation is desirable under federal standards and under circumstances that are clearly in the public interest. See Fla. Admin. Code R. 62-302.300(17). In determining whether a proposed discharge is desirable under federal standards and under circumstances that are clearly in the public interest, the Department is required by Rule 62-4.242(1)(b) to consider the following factors: Whether the proposed project is important to and is beneficial to public health, safety or welfare (taking into account the policies set forth in Rule 62-302.300, F.A.C., and, if applicable, Rule 62-302.700, F.A.C.); and Whether the proposed discharge will adversely affect conservation of fish and wildlife, including endangered or threatened species, or their habitats; and Whether the proposed discharge will adversely affect the fishing or water-based recreational values or marine productivity in the vicinity of the proposed discharge; and Whether the proposed discharge is consistent with any applicable Surface Water Improvement and Management Plan that has been adopted by a Water Management District and approved by the Department. The proposed project is important to and is beneficial to public health, safety or welfare because it would provide drinking water for the public. In addition, the treatment and use of brackish groundwater converts otherwise unusable water into a valuable resource. The use of brackish water avoids the use of water in the surficial aquifer that is used by natural systems, such as wetlands. The Florida Legislature has found that the demineralization of brackish water is in the public interest, as expressed in Section 403.0882, Florida Statutes (2010): The legislature finds and declares that it is in the public interest to conserve and protect water resources, provide adequate supplies and provide for natural systems, and promote brackish water demineralization as an alternative to withdrawals of freshwater groundwater and surface water by removing institutional barriers to demineralization and, through research, including demonstration projects, to advance water and water by-product treatment technology, sound waste by-product disposal methods, and regional solutions to water resources issues. The proposed discharge would not adversely affect conservation of fish and wildlife. Because the discharge is not toxic to sensitive test organisms provides reasonable assurance that the native fish and other aquatic life would not be adversely affected by the discharge. The only identified threatened or endangered species that frequents the canal waters is the endangered Florida Manatee. Manatees use the canal because of its relatively warm waters. Manatees come to the surface to breathe and they drink fresh water. There is no reason to expect that a manatee moving through the mixing zones would be adversely affected by the RO concentrate. The Florida Fish and Wildlife Conservation Commission, which has primary responsibility for the protection of endangered and threatened species, did not object to the proposed permit. Manatees and many other aquatic species use seagrasses as food or habitat. There are no seagrasses in the area of the canal into which the RO concentrate would be discharged, but there are dense seagrass beds nearby. The proposed discharge would have no effect on the seagrasses in the area. The proposed discharge would not adversely affect fishing or water-based recreational values or marine productivity in the vicinity of the proposed discharge. Because the proposed discharge is non-toxic and would meet Class III water quality standards before reaching the closest areas where humans have access to the canal and Gulf waters, there is no reason to believe that the proposed discharge would be harmful to humans. The proposed discharge would not adversely affect recreational activities, such as swimming, boating, or fishing. Petitioner presented the testimony of two fishermen about fishing resources and water flow in the area, but no evidence was presented to show how the proposed discharge would reduce marine productivity. Petitioner contends that the proposed discharge would adversely affect the Pinellas County Aquatic Preserve. However, the aquatic preserve is two miles away. The proposed discharge would probably be undetectable at that distance. It would have no effect on the waters or other resources of the aquatic preserve. With regard to the requirement that the proposed discharge be consistent with an adopted and approved Surface Water Improvement and Management Plan for the area, there is no such plan.
Recommendation Based on the foregoing Findings of Fact and Conclusions of Law it is RECOMMENDED that the Department issue a final order determining that Petitioner lacks standing, and approving the issuance of the industrial wastewater facility permit to the City. DONE AND ENTERED this 16th day of December, 2010, in Tallahassee, Leon County, Florida. S BRAM D. E. CANTER Administrative Law Judge Division of Administrative Hearings The DeSoto Building 1230 Apalachee Parkway Tallahassee, Florida 32399-3060 (850) 488-9675 Fax Filing (850) 921-6847 www.doah.state.fl.us Filed with the Clerk of the Division of Administrative Hearings this 16th day of December, 2010. COPIES FURNISHED: Nona R. Schaffner, Esquire Department of Environmental Protection 3900 Commonwealth Boulevard, Mail Station 35 Tallahassee, Florida 32399-3000 Thomas J. Trask, Esquire Frazer, Hubbard, Brandt & Trask, LLP 595 Main Street Dunedin, Florida 34698 Henry Ross 1020 South Florida Avenue Tarpon Springs, Florida 34689 Lea Crandall, Agency Clerk Department of Environmental Protection Douglas Building, Mail Station 35 3900 Commonwealth Boulevard Tallahassee, Florida 32399-3000 Tom Beason, General Counsel Department of Environmental Protection Douglas Building, Mail Station 35 3900 Commonwealth Boulevard Tallahassee, Florida 32399-3000 Mimi Drew, Secretary Department of Environmental Protection Douglas Building 3900 Commonwealth Boulevard Tallahassee, Florida 32399-3000
The Issue There are two issues in these cases: (1) whether Tampa Bay Desal, LLC ("TBD") provided reasonable assurances that its permit application to discharge wastewater from a proposed seawater desalination plant, National Pollutant Discharge Elimination System ("NPDES") Permit Application No. FL0186813- 001-IWIS, meets all applicable state permitting standards for industrial wastewater facilities; and (2) whether Tampa Electric Company, Inc. (TEC) provided reasonable assurances that its proposed modification to an existing industrial wastewater facility permit, NPDES Permit Modification No. FL0000817-003-IWIS, meets all applicable state permitting standards.
Findings Of Fact Parties other than SOBAC Poseidon Resources, LLC wholly owns TBD as one of Poseidon Resources' subsidiaries. Poseidon Resources formed TBD, the successor to S&W Water, LLC, as a special purpose project company to properly staff and finance the desalination project. TBW entered into a 30-year purchase agreement with TBD (then known as S & W Water, LLC) in 1999 to build, own and operate the desalination facility. Poseidon Resources operates as a privately-held company and all stockholders are major corporations. Poseidon Resources opened for business in 1995 and has over $300 million in water processing assets under management. DEP is an agency of the State of Florida. The United States Environmental Protection Agency ("EPA") delegated its NPDES permitting program to the State of Florida and is run by DEP. TEC is an investor-owned electric utility serving Hillsborough, Polk, Pasco, and Pinellas Counties. TEC owns and operates the Big Bend generating station, an electric plant consisting of four coal-fired steam units having a combined capacity of approximately 1800 megawatts. SWFWMD is a water management district in the State of Florida. SWFWMD reviews and acts upon water use permit applications and protects and manages the water and water- related resources within its boundaries. TBW and all of its Member Governments are within the geographical and legal jurisdiction of SWFWMD. Pasco County is a political subdivision of the State of Florida, a member government of TBW, and is located within the jurisdiction of SWFWMD. Pasco County is a major source of the groundwater used by TBW. TBW is a regional public water supply authority. TBW is the sole and exclusive wholesale supplier of potable water for all its member governments of TBW, which are Hillsborough County, Pasco County, Pinellas County, the City of New Port Richey, the City of St. Petersburg, and the City of Tampa. TBW serves approximately 2 million customers. SOBAC SOBAC was incorporated as a Florida not-for-profit corporation in February 2000. The stated mission of SOBAC is to protect the environmental quality of the bays, canals, and waterways of the Tampa Bay area, and to ensure drinking water for SOBAC members in the Tampa Bay area. SOBAC was formed by a group of people residing primarily in the area of Apollo Beach. Apollo Beach is a waterfront residential community that was created by dredge and fill of wetlands, estuary, and bay bottom bordering the "Big Bend" area of Tampa Bay, where the community terminates in a "hammerhead" of fill over what was once a seagrass bed. Across the North Apollo Beach "Embayment," formed by the "hammerhead," is the discharge canal of TEC's Big Bend power plant. A corrugated metal barrier partially separates the embayment from the discharge canal. This discharge canal also will receive TBD's discharge after re-mixing with TEC's discharge. SOBAC initially was formed out of concern for the environment in the Big Bend area of Tampa Bay. However, there is no requirement that SOBAC members live in the Apollo Beach area, or even in the vicinity of Tampa Bay, and SOBAC's geographic area of concern has broadened somewhat beyond the Apollo Beach area. In order to become a member of SOBAC, one need only sign a card. Prospective members are asked to donate $5 on signing up. Most members donate $5 or more. However, the donation is not mandatory. There is no requirement that members attend any meetings, or participate in any SOBAC activities. Section 3.1 of SOBAC's Constitution and Corporate By-Laws makes "active" membership contingent on payment of "the prescribed [annual] dues." Section 3.2 of SOBAC's Constitution and Corporate By- Laws requires SOBAC to establish annual dues, but no annual dues have been paid because no annual dues structure has ever been established. As a result, no annual dues have been "prescribed," and "active" membership does not require payment of annual dues. SOBAC claims to have approximately 1,000 members. These include all those who have ever become members. Approximately 700 live in the Appollo Beach area; approximately 50-75 of these members form the "core" of active members. Approximately 50-100 members live outside the Tampa Bay area; some of these outsiders probably are among the approximately 100 who are members by virtue of SOBAC's reciprocity agreement with another association called "Friends of the River." SOBAC has never surveyed its membership to determine how its members actually use Tampa Bay. However, the evidence was sufficient to prove that a substantial number of its members, especially among those who reside in the Apollo Beach area, enjoy use of the waters and wetlands of the Big Bend area for recreational activities such as boating and fishing. For that reason, if the activities to be permitted by DEP in these proceedings were to cause environmental damage, a substantial number of SOBAC's members would be affected substantially and more than most residents of distant reaches of the Tampa Bay area. Background of Desalination Project In 1998, the predecessor agency to TBW (the West Coast Regional Water Supply Authority), the six Member Governments and SWFWMD entered into an agreement specifically addressing impacts to natural systems through the development of new, non- groundwater sources, and the reduction of permitted groundwater withdrawal capacity from TBW's eleven existing wellfields from the then permitted capacity of 192 million gallons per day (mgd) to 121 mgd by December 31, 2002 (the "Partnership Agreement"). Pursuant to the Partnership Agreement, the existing water use permits for TBW's 11 specified wellfields were consolidated into a single permit under which TBW is the sole permittee. Prior to execution of the Partnership Agreement, the existing permits for these 11 wellfields allowed for cumulative withdrawals totaling approximately 192 mgd. Upon execution of the Partnership Agreement, the consolidated permit immediately reduced allowed withdrawals to no more than 158 mgd and required that wellfield pumping from the 11 wellfields be further reduced to no more than 121 mgd by December 31, 2002, and then to no more than 90 mgd by December 31, 2007. These withdrawal reductions are necessary to reduce the adverse environmental impacts caused by excessive withdrawals from the 11 wellfields, the majority of which are located in Pasco County. In order to replace the reduction of groundwater withdrawals, TBW adopted a Master Water Plan that provides for the development of specified new, alternative sources of potable water. The seawater desalination facility ("Desal Facility") is one of the cornerstone components of the Master Water Plan. This Facility will furnish 25 mgd of new water resources for the Tampa Bay area and must be in service by December 31, 2002, in order to meet the potable water needs of the residents of the Tampa Bay area. In exchange for the groundwater withdrawal reductions, SWFWMD agreed to contribute up to $183 million towards the development of new water sources that are diverse, reliable and cost-effective. SWFWMD has agreed to co-fund up to 90 percent of the capital cost of the Desal Facility. To comply with the terms and conditions of water use permits it has received from SWFWMD for other water withdrawals in the region, TBW must increase the water sources from which it withdraws water for distribution to its Member Governments in a timely manner. The Desal Facility is the essential means by which these permitting requirements can be met. For the past two years, the Tampa Bay area has been experiencing historic low rainfall and drought conditions. The Desal Facility is supported not only by TBW and its Member Governments, but also by SWFWMD since it is a drought-proof source of supply which has the greatest ability of any new water supply source to allow TBW to meet its members' potable water supply needs while also reducing pumpage from the existing 11 wellfields. In addition to its being a drought-proof source of potable water supply, the Facility will also provide diversity and reliability for TBW's sources of supply, and is a source that is easily expandable to provide additional potable supply that may be necessary in the future. Prior to deciding to proceed with a desalination project, TBW conducted four separate studies to look at the potential individual and cumulative impacts of a desalination facility on Tampa Bay and the surrounding areas, and in particular to evaluate the changes in baywide salinity due to the desalination discharge alone and in combination with the river withdrawals occasioned by other projects. Commencing in 1997, TBW conducted a procurement process that culminated in the award in July 1999 of a contract to S & W Water, LLC, now known as Tampa Bay Desal, LLC, to design, build, own, operate, and eventually transfer to TBW a seawater desalination plant to provide potable water to Hillsborough, Pinellas, and Pasco Counties and to the Cities of Tampa and St. Petersburg for 30 years. TBD's Desal Facility is co-located with the Big Bend Power Station owned and operated by TEC on the northeast side of Hillsborough Bay, in Hillsborough County, Florida. By discharging the concentrate from the Desal Facility to the power plant cooling water prior to its discharge to the power plant discharge canal, environmental impacts from the concentrate are minimized, and disturbance of the discharge canal is avoided. The costs avoided by utilizing the existing intake and outflow from the TEC power plant are reflected in the lower cost of the water to Tampa Bay Water, and ultimately its Member Governments. TBW is contractually bound to TBD to purchase all of the potable water that is produced by the Desal Facility for distribution to its Member Governments and to purchase the entire Facility in the future. With the exception of the NPDES permit at issue, TBD has obtained all of the over 20 other permits which are required for the construction and operation of the desalination facility. TBD has already invested approximately $20 million in this project. The total estimated capital cost of the desalination facility is $110 million. TBD has obtained financing of $42 million and expects to acquire permanent financing in the month of October 2001. SWFWMD agreed to subsidize up to 90 percent of the capital cost of the desalination facility payable to TBW over the term of agreement with TBD. TBD is contractually bound to TBW to complete and fully operate the desalination facility by December 2002. TBD Desalination Process Overview of Process In the instant case, desalination is performed through reverse osmosis ("RO"), a mechanical process wherein pretreated water under very high pressure is pressed against a very fine membrane such that only pure water can pass through it. The vast majority of salt molecules and other substance are eliminated from the water. The RO process is not heat or chemical driven. No additional heat load is being added as a result of the desalination discharge, and the desalination plant will actually result in a reduced heat load to the bay. The desalination facility will withdraw approximately 44.5 mgd of raw water from Units 3 and 4 of TEC's Big Bend cooling water system, produce approximately 25 mgd of product water for transmission to the regional water supply system, and discharge approximately 19.5 mgd of clarified backwash and concentrate water equally into each of the power plant cooling water tunnels for dilution and release into the discharge canal. During abnormal power plant operations including times when Units 3 or 4 are not in operation and during the summer months when the normal supply water intake temperature exceeds the operating temperature range of the RO membranes, a portion of the source water will be withdrawn from an auxiliary supply water system. The auxiliary supply water system consists of a supply pump and pipeline that withdraws water from a location downstream of the fine-mesh screens for Units 3 and 4. The total combined bay withdrawal flow for the power plant and the desalination facility cannot exceed 1.40 billion gallons per day ("bgd"). This limitation ensures that entrainment does not exceed the levels previously permitted for the site, and a new entrainment study pursuant to Section 316(b) of the Clean Water Act is not required. Pretreatment Process The desalination intake water is pretreated in a two- stage gravity filtration process with chemical additives. During pretreatment, ferric sulfates will be added to the desalination intake water to coagulate and capture suspended solids, organic material, and metals that exist in the raw water supply. In this first stage of the pretreatment process, the intake water runs through an aerated course sand filter. Aeration enhances the coagulative process and assists in the capture of organics, suspended solids, and metals. Aeration also occurs in stage two, which uses a fine sand filter pretreatment process. The backwash water from stage two recirculates to the stage one treatment process. The pretreated waters exits through a five micron cartridge filtration prior to entering the RO process. The aerated pretreatment filter backwash water from the pretreatment stage one pretreatment will be sent to a discharge sump for initial settling and then to a clarifier and filter press to remove excess water. Approximately 14 wet tons a day which includes organics, suspended solids, and metals that are removed through the coagulative process and captured from the gravity filters are removed off-site to a landfill. The desal concentrate and clarified backwash water will be combined in a discharge sump or wet well prior to entering into a discharge line manifolded to equally distribute the concentrate discharge into all of the available cooling water outflow tunnels or conduits of the power plant discharge. Reverse Osmosis Membrane Treatment The RO desalination process consists of a two-stage pass of the pretreated water through the reverse osmosis membranes. The RO pumps will force the water through the RO membranes at pressures ranging from 600 to 1000 pounds per square inch (psi). As a result of the RO process, approximately 25 mgd of purified water, also known as permeate, will be produced for delivery to TBW. TBD anticipates cleaning its membranes twice per year, perhaps less, due to the high level of pretreatment. Periodic cleaning removes silt and scale from the membrane surface. Dilute solutions of citric acid, sodium hydroxide, sulfuric acid, sodium tripolyphosphate, or sodium dodecyclbenzene compromise the constituents of various cleaning solutions, with the actual cleaning solution used dependent upon the actual performance of the system once it is placed in operation. Once the cleaning cycle is complete, the spent cleaning solution will be purged from the feed tank, membrane vessels, and piping and diverted into a scavenger tank for off- site disposal. Clean product water (permeate) will be fed to the feed tank and pumped into the RO membrane vessels. This process will continue until the pH of the purge water meets the Class III marine water quality criteria. The membranes will be rinsed with brine concentrate and permeate, and the rinse water will be directed to the wet well for discharge, with the concentrate into the TEC cooling water stream. TBD determined the chemical characterization of the membrane cleaning solution discharge. Cleaning solutions are not discharged in detectable concentrations. As further assurance, the permit requires toxicity testing immediately after membrane cleaning. Dilution of Discharge Water Co-locating the desalination facility with TEC's Big Bend power station allows the desalination concentrate to be diluted with TEC's cooling water prior to discharge into Tampa Bay. The point of injection of the desalination discharge will be located approximately 72 feet upstream of the point of discharge to the discharge canal to ensure complete mixing of the desalination concentrate with TEC's cooling water. This provides reasonable assurance that the desalination discharge will be completely mixed within the cooling water conduits. If all four TEC units are in operation and TBD is producing 25 mgd of finished water, the approximate dilution ratio of the desalination concentrate with TEC cooling water is 70:1. Historical TEC data indicates that a dilution ration of greater than 20:1 will occur more than 99.6 percent of the time, and a dilution ration of greater than 28:1 will occur more than 95 percent of the time. The dilution limitations in the proposed permit are more stringent than those required in Rule 62-302.530(18). The permitted dilution ratio complies with Rule 62- 660.400(2)(d) because it takes into account the nature, volume, and frequency of the proposed discharge, including any possible synergistic effects with other pollutants which may be present in the receiving water body. Comparisons of the Antigua, Key West, and Cyprus facilities are not applicable because those desalination facilities lack the initial dilution that will exist at TEC's Big Bend site. The proposed permit requires a 20:1 minimum dilution ratio at any given time, which may occur for no more than 384 hours per calendar year, and with the further limitation that the discharge at the 20:1 minimum dilution ratio shall not exceed 384 hours in any given 60-day period. At all other times, a minimum dilution ratio of 28:1 must be maintained. To ensure proper dilution and system operation, computer instrumentation in the desal facility will interface with TEC to continuously monitor the operations of TEC's four cooling tower condenser units. If any of the pumps shut down, an alarm will sound at the desalination facility and the computer system will automatically shut down the concentrate discharge to that specific condenser unit discharge tunnel. Further, the desalination plant will employ approximately 12 employees, with a minimum of two employees on duty at all times. TEC Permit Modification Big Bend power station has four coal-fired steam electric generating units. The power station is cooled by water that is taken in from Tampa Bay through two intake structures which are located along TEC's intake canal. One intake structure feeds cooling water to electrical power units 1 and 2 and the other feeds units 3 and 4. After flowing through the condensers, the cooling flows are combined into four separate discharge tunnels which outfall into TEC's discharge canal. The intake structure for Units 3 and 4 is equipped with fine-mesh screens and an organismal collection and return system that has been approved for use by DEP. The purpose of TEC's permit modification is to alter the internal piping in the facility to accommodate the desalination plant at the Big Bend site. TEC's permit modification allows for placement of an intake pipe from TEC's cooling water pipes to the desalination plant and a return pipe downstream from the intake pipe for the return of the desalination concentrate to TEC's cooling water discharge tunnels prior to outfall in the discharge canal. TEC's permit modification also allows for the placement of an auxiliary intake line by TBD to take additional water from behind the intake of units 3 and 4 up to TEC's maximum permitted limit of 1.4 billion gallons a day. The TEC proposed permit is conditioned to require TEC to maintain the structural integrity of both the steel sheet pile wall on the discharge canal and the breakwater barrier North of the discharge canal. TEC's permit modification does not request any changes to the operations of the Big Bend Generating Station. SOBAC Issues and Concerns SOBAC raised numerous issues and concerns in its petitions in these cases and in the Pre-Hearing Stipulation. However, some issues were elimination by rulings adverse to SOBAC during prehearing proceedings and final hearing. Based on the evidence SOBAC sought to elicit at final hearing and issues raised in its Proposed Recommended Order, other, earlier SOBAC issues and concerns appear to have been dropped. Remaining are essentially the following: increased salinity due to TBD discharge; alleged decreased dissolved oxygen (DO) from higher salinity; impacts of higher salinity and alleged decreased DO on marine plants and animals; alleged release of metals from sediments due to higher salinity and alleged lower DO, and effects on marine plants and animals; alleged monitoring deficiencies; alleged failure to utilize available technologies to lower salinity and raise DO; alleged deficient financial assurances; and various alleged resulting DEP rule violations. Description of Tampa Bay: Physical Properties The portion of Tampa Bay and Hillsborough Bay near the Big Bend facility is classified a Class III water body. Tampa Bay is a naturally drowned river valley, meaning that a deep channel exists as a result of natural forces. However, the channel has been deepened to 45 feet or greater to allow large ships to navigate the bay. This deepening of the channel increases the water flow of the head of the bay with the open gulf waters and allows this residual circulation to move more new water from the open Gulf of Mexico up into the bay. Ordinarily, circulation moves salt water up Tampa Bay and spreads it out onto the flanks of the bay where it then mixes with the freshwater. To complete this circulation, the water then flows back out towards the mouth of the bay, primarily along its flanks and shallower parts in the upper part of the water column. The water in Tampa Bay tends to flow faster in its deeper parts, both coming in and going out, and relatively slower in the shallow areas. The majority of flow of freshwater inflow occurs at the bay's flanks as can be seen very clearly in the salinity distributions. Mixing and Stratification Since the development of Tampa Bay from the 1880 condition to the 1972 and 1985 conditions, there is more mixing and exchange of water. Due to shoreline fills for development, such as Apollo Beach, there is less water that now comes in the bay than in the predevelopment condition. Tampa Bay is a fairly well mixed system from top to bottom. This is because the action of the tides basically acts like a big mix master. The bay is fairly shallow, less than four meters in depth on average. The tidal velocities can be as strong as two knots or about a meter per second. When the strong velocity pushes through shallow water, there is extensive overturning, where the bottom water is churned to the top and gets mixed very efficiently. That is very well seen in the observations during dry periods. Over 100 points in Tampa Bay were measured for temperature and salinity top, middle and bottom, and showed that they were very uniform throughout the bay. During periods of large volumes of freshwater input into Tampa Bay, freshwater is pumping into the bay faster than the tidal mixing can mix it from top to bottom. Therefore, in parts of Tampa Bay significant stratification is seen during many times in the wet season. During those times when rainfall is not as prevalent, tidal mixing once again dominates and the bay returns to a more well mixed system. The average tidal fluctuation for Tampa Bay is a range of two to three feet. Salinity As the tide in Tampa Bay comes in, it brings saltier water from the mouth of the bay toward the head of the bay, causing salinities to rise. As the tide recedes, bringing out fresher water from farther up the bay, salinities decrease. Over an individual tidal cycle, particularly during the wet season, a four or five part per thousand ("ppt") change in salinity will occur between a rising tide and a falling tide. During the dry season, tidal flushing is not as significant to salinity levels because not much difference exists in salinity from the head of the bay to the mouth of the bay. Even during the dry season, there is a one to two ppt change over a six to twelve-hour period in any given day. During the dry periods in 1990, salinities elevated up to about 33 ppt, with very little stratification. During the rainy periods, in June and July, salinities dropped rather drastically. In some areas, salinity dropped as low as to 20 to 22 ppt. However, in spite of these drastic seasonal differences, significant variation in salinity occurs as a result of tidal exchange. The Big Bend area is split by the dividing line between Hillsborough Bay and what has been classified Middle Tampa Bay. The salinity for Hillsborough Bay from 1974 through June 2001 at the surface ranges from 0.4 ppt to 38.2 ppt. The middle portion of the same water column contained a range from 2.5 ppt to 39.2 ppt, and the bottom portion showed a range from 3.9 ppt to 37.2 ppt. The average salinities during this time frame were as follows: top 24.2 ppt, middle 24.3 ppt and bottom 25.3 ppt. In the portion of Tampa Bay called Middle Tampa Bay, the surface level salinity ranged from 6.8 ppt to 38.2 ppt. At middle depth, salinities ranged from 7.4 ppt to 38.8 ppt. The bottom level salinities ranged from 11.9 ppt to 39.6 ppt. This is a large range of salinities. Tampa Bay near the Big Bend Area In the area near the Big Bend facility, the Mote Marine Laboratory survey data reflects that the salinity during May and June 2000 reached 33.4 ppt. Further, Mote Marine Laboratory data showed that the North Apollo Embayment area salinities were well mixed vertically throughout the system. The total volume of water exchanged into the North Apollo Embayment and associated canals during a mean tide is approximately 35 percent of the total volume of all water contained in that area. This tidal exchange occurs twice per day. The double diffusion process does not create high salinity in the bottom of the water column in the North Apollo Embayment. The double diffusion process, without any external influence, would lead to both surface and bottom layers of the water column reaching salinity equilibrium. Further, the turbulent mixing that occurs due to tidal processes and wind- induced mixing dominates over the double diffusion process. The Mote Marine Laboratory study conducted between May and early June 2000 did not detect any significant salinity stratification in the area near the Big Bend facility. Vertical stratification of salinity does occur but typically only during the periods of significant freshwater inflow and not in extreme drought or dry conditions. None of the Mote Marine Laboratory data detected any pockets of high salinity water or significant density stratification in the North Apollo Embayment. Estuarine Characteristics Tampa Bay is an estuary. Estuaries are semi-enclosed bodies of saltwater that receive freshwater runoff from drainage or riverine inflow, which measurably dilutes the salinity levels in the estuary. As a result, salinity levels in estuaries typically are highly variable, ranging from 0 ppt where rivers flow into estuaries, to as high as 40 ppt under conditions of low freshwater input or at estuarine mouths where they connect to the sea. There are naturally occurring dissolved oxygen levels below 4.0 mg/l in parts of Tampa Bay, including at Hillsborough County Environmental Protection Commission ("EPC") monitoring stations 9, 80, and 81, which are the closest stations to the proposed discharge. Dissolved oxygen in the bay decreases at night because photosynthesis ceases and respiration exceeds production. Other environmental parameters are also highly variable in estuaries. Therefore, the organisms that inhabit estuaries have adapted to tolerate these highly variable conditions. Estuarine organisms have adaptive means for tolerating changing salinity levels, either by conforming their internal salinity levels to the ambient salinity levels, or by actively regulating their internal salinity levels by intake or excretion of salt. Organisms that are adapted to tolerate a wide range of salinities within the estuary are termed euryhaline organisms. Essentially all of the common organisms in estuaries, including the Tampa Bay estuary, are euryhaline organisms, and therefore are capable of tolerating and living in a wide range of salinities and salinity changes that occur due to tidal, meteorological, and other natural forces in the estuarine environment. Extensive baseline biological studies performed on Tampa Bay reveal that the most common species in the Tampa Bay estuary tolerate salinity levels ranging from 5 ppt to 40 ppt. Seagrasses Five species of seagrass inhabit Tampa Bay. Seagrasses are photosynthetic underwater flowering plants that are typically limited in occurrence and distribution by the water clarity. This limits the depth at which seagrasses can grow. In Tampa Bay, seagrasses are limited to the fringes of the Bay, and are largely limited to depths of approximately three feet, although they can live in depths of up to six feet in clearer parts of the Bay. Seagrasses are very sensitive to increases in nutrients, like nitrogen and phosphorus. These nutrients encourage algae growth, resulting in competitive stress in seagrasses. Due to poor water quality caused by sewage discharge, dredging and filling, and other activities in the Bay, seagrass distribution in Tampa Bay decreased from an historic coverage of approximately 80,000 acres in 1950 to approximately 20,000 acres by 1982. Improvements in water quality, largely due to sewage treatment improvements, have allowed seagrasses to naturally recolonize to approximately 27,000 acres coverage, as of 1994. Wave energy affects seagrass distribution. Seagrasses cannot colonize and survive in areas subject to significant wave energy. For example, the portion of Tampa Bay dredged and filled to create the Apollo Beach "hammerhead" area was once comprised of a broad shallow-water shelf that diminished wave energy, allowing dense seagrass flats to cover the shelf area. Destruction of the broad shallow-water shelf with fill to create the Apollo Beach hammerhead has converted the area to a high wave energy system that is unsuitable for seagrass colonization and growth. Consequently, the only seagrasses inhabiting the Big Bend area are found approximately one kilometer north of the Big Bend power plant, in an area known as "The Kitchen," and approximately one kilometer south of the Apollo Beach hammerhead area. Additionally, there are ephemeral patches of seagrass inhabiting some limited areas of the North Apollo Embayment. Seagrasses are adapted to tolerate a wide range of salinities. They have specialized cells that enable them to deal with salt stress and with broad ranges of and fluctuations in salinity. These adaptations enable them to survive and thrive in estuarine environments. Of the seagrass species that live in Tampa Bay, one species, Ruppia maritima (widgeon grass), occurs in salinity ranges from zero to 40 ppt. Manatee grass, Syringodium filiforme, is most productive in salinities between 5 ppt and 45 ppt. The other three species, Halodule wrightii (shoal grass), Halophila engelmannii (star grass), and Thalassia testudinum (turtle grass), tolerate salinity ranges from approximately 5 ppt to 60 ppt. Seagrasses better tolerate higher salinity levels than lower salinity levels. Lower salinity levels are usually indicative of increased stream and land freshwater runoff, which usually is accompanied by increased turbidity and lower water clarity. Four of the five seagrass species that inhabit Tampa Bay typically reproduce asexually by producing rhizomes, rather than by flowering and producing seeds. It is not completely clear why seagrasses in Tampa Bay reproduce asexually rather than by flowering and seed production. However, recent research indicates that climatic temperature is the controlling factor for flower and seed production. In South Florida, where the climate is warmer, seagrasses reproduce by flowering and seed production. In Tampa Bay, the lower winter temperatures appear to be the limiting factor with respect to successful flower and seed production in seagrasses. Recent studies by the University of South Florida ("USF") marine laboratory indicate that naturally occurring fungal diseases may also limit successful flowering and seed production in seagrasses in Tampa Bay. Since most seagrass species that live in Tampa Bay tolerate and thrive in salinities of up to 60 ppt, the higher salinity levels in the estuary do not appear to adversely affect the ability of seagrasses to reproduce. In fact, the lower salinity levels, below 5 ppt, stress seagrasses and are more likely to adversely affect reproduction than do higher salinity levels. Mangroves Three major species of mangrove inhabit the Tampa Bay area: the red mangrove, black mangrove, and white mangrove. Mangroves inhabit the intertidal area, so they are subjected to daily tidal flooding and drying. Consequently, they must tolerate a wide range of variability in salinity levels and in water availability. Most mangroves tolerate soil salinity levels up to 60 ppt, close to twice the salinity of Tampa Bay. Mangrove mortality due to salinity does not occur until soil levels approach and exceed 70 ppt salinity. Mangroves are also adaptable to, and inhabit, freshwater environments. Phytoplankton and Zooplankton Plankton are life stages or forms of larger organisms, or organisms that have no ability for major locomotion, so they spend their entire life spans floating and drifting with the currents. Plankton are extremely productive in that they reproduce in very large numbers within very short life spans. Holoplankton are planktonic organisms that spend their entire lives in planktonic form. Examples include diatoms, which are a type of phytoplankton, and copepods, which are a type of zooplankton. Meroplankton are "temporary" plankton that drift with the currents in juvenile or larval stages, then either settle out of the water column and metamorphose into an attached form (such as barnacles) or metamorphose into mobile life forms (such as crabs, shrimp, and fish species). Phytoplankton are planktonic plant species and life forms. Zooplankton are planktonic animal species and life forms. Zooplankton feed on phytoplankton. There are approximately 300 species of phytoplankton, and numerous species and forms of zooplankton, found in Tampa Bay. Most phytoplanktonic and zooplanktonic species inhabiting Tampa Bay are euryhaline species capable of tolerating the wide range of salinity levels and abrupt salinity changes that occur naturally in the estuarine system. Most phytoplanktonic and zooplanktonic species and life forms in Tampa Bay tolerate salinity levels ranging from zero to 40 ppt. They appear to be more tolerant of the higher end than the lower end of this salinity range. Manatee The manatee is the only endangered or threatened species identified by the Florida Natural Areas Inventory as inhabiting the area where the desalination plant is proposed to be located. Manatees congregate at the Big Bend Power Station during colder months because they are attracted to the power plant's warmer water discharge. Manatees are considered to be estuarine species, but they have very broad salinity tolerance ranges. They migrate into and out of freshwater springs, through estuaries, into the Gulf of Mexico, and down to the Ten Thousand Islands, where hypersaline conditions frequently exist. Manatees routinely expose themselves to and tolerate salinities ranging from zero to more than 40 ppt. Fish The fish populations in Tampa Bay are comprised of a large number of marine euryhaline species. Due to their ability to osmoregulate their internal salinity levels, these fish species can inhabit salinity ranges from 5 ppt to as high as 40 ppt. Extremely extensive monitoring and sampling programs are currently being conducted in Tampa Bay and specifically in the vicinity of the Big Bend Power Station. The Hillsborough County EPC, SWFWMD, TBW, the United States Geological Survey ("USGS"), the Florida Marine Research Institute, USF, and Mote Marine Laboratory conduct separate biological monitoring programs that sample and monitor numerous biological parameters, including invertebrate infaunal and epifaunal species composition, abundance, and distribution; zooplankton and phytoplankton species composition, abundance, and distribution; emergent and submerged vegetation species composition, abundance, and distribution; and fish species composition, abundance, and distribution. These monitoring programs, which collect and analyze biological data from many areas in the Tampa Bay estuarine system, extensively monitor numerous biological parameters in the Big Bend area. Testing and Modeling Pilot Plant Although DEP's rules do not require the use of a pilot plant to demonstrate reasonable assurances, TBD installed a desalination pilot plant at the Big Bend site in November 1999. The pilot plant matched the hydraulics and configuration of the full-scale facility on a 1/1000 scale. The pilot plant used water from the Big Bend power plant discharge as its source water. The purpose of the pilot plant was to confirm design requirements for the desalination facility and to provide samples of intake water, filtered water, pretreated water, concentrate, and finished water to use for chemical characterization and analysis. Using a pilot plant is superior to using data from engineering projections or data from a different desalination facility because the pilot plant provides data specific to the Big Bend site. Data from the pilot plant were used to establish various effluent and other limits in the permit. Chemical Characterization Intake water, filtered water, pretreated water, concentrate, and finished water from the pilot plant were analyzed for over 350 parameters chosen by DEP to determine chemical characterizations and water quality. The pilot plant operation provides extensive chemical characterization of intake and discharge water composition and mass loading. This information was key in providing accurate information on the chemical composition and mass loading of the desalination discharge concentrate. With this accurate information on the components in the discharge water, DEP was provided more than sufficient reasonable assurance on the potential effect of the chemical components of the discharge. TBD tested the pilot plant discharge water for copper, nickel, other heavy metals, and those chemical constituents specified on the DEP chemical characterization form. The chemical characterization tested for concentrations of constituents based on a 12.8 to 1 dilution ratio, and even at that dilution ratio, did not exceed any of the state water quality parameters. However, to provide additional assurance that there will not be an exceedance of state water quality standards, the permit requires a minimum 20 to 1 dilution ratio. Dissolved Oxygen Saturation Testing Temperature and salinity affect the saturation point of dissolved oxygen ("DO") which is lowest when temperature and salinity are highest. DO saturation charts, which are typically used to determine DO saturation points, are not applicable because those charts do not contain the saturation point of DO at a temperature of 109 degrees Fahrenheit and a salinity of 79 ppt, which represents the worst case conditions for the proposed desalination facility. Bench-scale testing was performed on the undiluted desalination discharge from the pilot plant by heating discharge concentrate samples to 109 degrees Fahrenheit and aerating the samples until the DO stabilized and reached saturation point. The pilot plant bench-scale testing determined that the saturation point of DO in the worst case desalination concentrate using a temperature of 109 degrees Fahrenheit and salinity of 79 ppt was 5.7 mg/l. Toxicity Testing TBD conducted acute toxicity testing using a worst case scenario assuming a diluted effluent of one part desalination concentrate to 12.8 parts of power plant cooling water. Acute toxicity testing evidenced no mortalities, showing that the proposed discharge will not be a source of acute toxicity. TBD conducted chronic toxicity testing on raw concentrate from the pilot plant using a worst case scenario diluted effluent of one part desalination concentrate to 12.8 parts of power plant cooling water. The No Observed Effect Concentration (NOEC) for raw concentrate was determined to be 100 percent and the NOEC for diluted effluent was determined to be greater than 100 percent. The evidence did not explain these concepts, but it was clear from the tests that the proposed discharge will not be a source of chronic toxicity. TBD conducted its acute and chronic toxicity testing using protocols reviewed and approved by DEP. TBD's toxicity testing was also consistent with accepted EPA standards. Assessment of Potential Environmental Impacts TBD prepared an Assessment of Potential Environmental Impacts and Appendices ("Assessment") to analyze the potential biological impacts of the desalination plant discharge into the Tampa Bay estuary. The Assessment examined numerous physical parameters to determine the baseline environmental conditions in the portion of Tampa Bay proximate to the proposed desalination plant site. Among the physical parameters examined in determining the baseline environmental conditions were: salinity; sediment size and composition; metal content in sediments; and numerous water quality parameters such as transparency, biochemical oxygen demand, pesticides, dissolved metals, and pH. Consistency with SWIM Plan As part of the permitting process, TBD was required to demonstrate consistency of the proposed desalination discharge with the SWFWMD's Surface Water Improvement and Management (SWIM) plan, pursuant to Rule 62-4.242. TBD submitted an extensive SWIM consistency analysis, which is sufficient to meet the consistency requirement. Water Quality Based Effluent Limitation Level II Study TBD performed a Water Quality Based Effluent Limitation (WQBEL) Level II study pursuant to Rule Chapter 62- 650 for the purpose of determining the effect of the desalination plant discharge on salinity levels in the vicinity of the desalination plant discharge. TBD had the Danish Hydrologic Institute ("DHI") use the data collected through the WQBEL Level II study in its near-field model of the Big Bend area. See Findings 105-117, infra. DEP also used the data and the DHI model results to establish the salinity and chloride effluent limitations in the permit. The USF Far-Field Model The far-field model was prepared utilizing the Princeton model code. The Princeton model is well recognized and is generally accepted in the scientific community. The goals of the TBD far-field model performed through USF by Dr. Luther and his team were to evaluate the change in bay-wide salinity due to the desalination plant discharge, both alone and in combination with changes in salinity due to enhanced surface water system withdrawals under new consumptive water use permits issued to TBW by SWFWMD to provide other, additional sources of needed potable water supply. The primary goal was to provide DEP with the best science possible of the potential real effects of this desalination discharge into Tampa Bay. The modeling system of Tampa Bay utilized in this analysis was developed beginning in 1989. Dr. Luther and his team have continued to make refinements to the model over the last 12 years. Dr. Luther took the modeling system he had developed over the years for Tampa Bay and did three primary model scenarios. The baseline case reproduced the observed conditions during the 1990 and 1991 years--a very dry period in 1990 and a fairly wet period for 1991--as accurately as possible with all the boundary conditions estimated from observations. This was to capture an entire range of conditions in Tampa Bay. The baseline was then compared with validation data and other observations to ensure it was approximating reality. The second simulated scenario included the same effects as the baseline with the added effect of the desalination intake and discharge at the Big Bend facility. The third case approximated cumulative effects from the TBW enhanced surface water system river withdrawals according to the proposed permit withdrawal schedules. For each test case, it was assumed that only two of the four cooling units at the TEC Big Bend plant were in operation for an entire two-year period, a worst-case scenario expected to occur less than four percent of the time in any given year. The model included data on water levels, temperature, and salinity throughout Tampa Bay. In addition, it takes into account wind blowing across the surface of Tampa Bay, rainfall, freshwater inflow from rivers, and other surface water and groundwater sources. The model was calibrated and validated against actual data to verify simulation of reality as closely as possible. The model was calibrated and validated utilizing Hillsborough County EPC and Tampa Oceanographic Project ("TOP") salinity data. Physical Oceanographic Real Time System ("PORTS") and TOP data on current flow velocity and water levels were utilized to calibrate and validate water levels and current. The acoustic doppler current profilers used in the model study are able to measure the speed at which the water is traveling and the direction at various levels above the bottom within the water column. The TBD far-field model very accurately reproduces the observed tidal residual velocities observed with the acoustic doppler current profilers. The far-field model reflects any stratification that would occur during the model simulations. The far-field model simulates recirculation that occurs between the discharge and intake water. Recirculation is small due to the model's use of the actual bathymetry of Tampa Bay. There are significant shoals and other features that separate the water from the discharge and the intake canal that preclude significant recirculation most of the time. After submitting the far-field model report to DEP, further study was performed on the far-field model that calculated residence time for Tampa Bay. One study dealt with "residence" or "flushing" time. The concept of "residence time" is not well-defined; put another way, there are many different accepted ways of defining it. It may be defined in a simplified manner as the time it takes a patch of dye to flush out of the bay. However, for purposes of the studies performed on the far-field model, theoretical "particles" in model grids were tracked, and "residence time" was defined as the time it would take for the number of particles initially in a grid cell to decrease to 34 percent of the initial number. Using this approach and definition, residence time in the vicinity of the Big Bend facility on the south side where the discharge canal is located was less than 30 days. Immediately offshore of the area of the discharge, the residence time reduced to less than 15 days. The study indicated that the area of the Big Bend facility has a relatively low residence time. In the model's baseline run (for the desalination plant impacts only), maximum differences in salinity occurred during the month of April 1991. Throughout the two-year time period, the maximum concentration of salinities did not increase from this point, and in fact decreased. The maximum average value for salinity difference is 1.3 ppt at the grid cell located directly at the mouth of the TEC Big Bend discharge canal. More than two grid boxes away in any direction and the value falls to less than 0.5 ppt increase in salinity. The maximum salinity of any given day for the far- field model was in the range of 2.1 to 2.2 ppt, which compares favorably with the DHI near-field model which showed an increase of 2.5 ppt. The salinity changes caused by the cumulative effects scenario are smaller than the natural variability during the wetter months in Hillsborough Bay in cells immediately adjacent to the concentrate discharge. Increases in salinity will occur in the vicinity of the discharge canal but will be very localized and small relative to the natural variability in salinity observed in Tampa Bay. At a distance of more than a few hundred meters from the mouth of the discharge canal, it would be difficult (if not impossible) to determine statistically that there would be any increase in salinity from the desalination concentrate discharge. Over the two years modeled, there is no trend of increasing salinity. No long-term accumulation of salt is evidenced within the model. Further, no physical mechanism exists within the real world that would allow for such a long- term accumulation of salinity in Tampa Bay. Dr. Blumberg's independent work verified the conclusions in the far-field model constructed by USF. Dr. Blumberg's estimated flushing times are consistent with those found in the far-field model. DHI Near-Field Model The TBD near-field model was prepared by DHI. DHI prepared a three-dimensional near-field model to describe the potential salinity impacts from the discharge of the proposed desalination plant. The DHI model is a state-of-the-art model whose physics are well documented. By model standards, the DHI near-field model is a high resolution model. The DHI model essentially "nests" within TBD's far-field model. The near-field area includes those areas that would be directly influenced by the combined power and desalination discharges, the North Apollo Embayment and the residential canal system adjacent to the discharge canal. The near-field model was designed to determine whether or not the desalination plant would cause continuous increases in salinity and to predict any increase in salinity in the North Apollo Embayment and the associated canal system. In addition, DHI evaluated the potential for saline recirculation between the discharge and the intake via short circuiting due to overtopping of the existing break water. In order to construct the near-field model, existing data on bathymetry, wind sources, meteorology and other parameters were examined and analyzed. In addition, the information from an intensive data collection effort by Mote Marine Laboratories on current velocities, temperatures, and salinities was incorporated into the model. TBD conducted bathymetric surveys in the residential canal areas, the North Apollo Embayment, and the area between the discharge canal and the intake canal. The model has a vertical structure of six grids and reflects vertical stratification that would occur in the system being modeled. The vertical grids in the model can detect a thermal plume one meter in depth (the size of the thermal plume from TEC's discharge). Information about the TEC thermal plume was incorporated into the model and utilized to calibrate the model's predictive capabilities. The model took into account interactions between the temperature plume and the salinity plume. The model predictions matched the measured temperature plume created by the TEC discharges quite well. The near-field model conservatively assumed a scenario in which only the two TEC units with the smallest total through-flow of 691.2 million gallons a day cooling water were active. DHI then assumed production of a maximum 29 mgd in product water. A salinity level of 32.3 ppt at the intake was utilized in the simulation. The model assumed a conservative wind condition which results in less mixing and dispersion of the plume. Further, wind direction tended to be from the southwest or west during the simulation, which tends to push the plume against the TEC break water which tends to reinforce recirculation. SOBAC witness Dr. Parsons agreed that these simulations for April and May 2000 constituted extreme conditions. DHI ran its model for a total time period of six weeks. The "warm up" for the simulation took place from April 15 to May 7, followed by the "calibration" simulation from May 8 to May 22. An additional validation sequence was run from May 25 to June 8. The production run was defined as the three weeks from May 8 to May 29, 2000. The intensity of the calculations performed in the near-field model due to its high spacial resolution and numeric restrictions make it computationally demanding. The calibration runs took approximately a week to 10 days to run on a state-of-the-art computer. From a computational standpoint, it is not practical to run the near-field model for a two-year time period. The model shows good agreement between its water levels and current velocity to observed data. The model reflects the recirculation of the discharge water that would occur in the system. The maximum salinity for the extreme case scenario in the near-field model is an increase in salinity of 2.5 ppt. With three condensers running, under the modeling scenario comparing the base condition to the desal discharge, there is a maximum difference of only 2.0 ppt. Further, there is no indication of any continuous build up of salinity in the near- field area due to the desalination plant discharge. DHI performed many sensitivity runs on the model, including one which examined rainfall conditions. The results of a two-inch rainfall analysis show that rainfall profoundly freshens the water in the near-field area. Since the modeling was done in a time period of extreme drought, with no freshwater inputs, the ambient or background salinity trended up over the time frame of May through June. As with any estuary, if freshwater inflow is removed, the estuary will get saltier until freshening occurs. Even with the model simulation period extended an additional 10 days beyond that reflected in TBD Ex. 1-O, the model results did not show any increase of salinity differences caused by the desal facility above 2.5 ppt. Based on data from field collections, the operation of the desal plant under worst case conditions did not exceed the assimilative capacity of the near-field environment. A 10 percent salinity change (3.23 ppt) was not reached in any grid cell. The Blumberg Study The "Environmental Impact Assessment for a Seawater Desalination Facility Proposed for Co-Location with the Tampa Electric Company Big Bend Power Generation Facility Located on Tampa Bay, Florida" authored by Norman Blake and Alan F. Blumberg ("Blumberg Study") is a hydrodynamic model study combined with an analysis of potential biological effects. The Blumberg Study was performed at the request of and presented to the Board of County Commissioners of Hillsborough County, Florida. Dr. Blumberg's model used 1998 and 1999 as its baseline, which consisted of an extremely wet year followed by an extremely dry year. The model assumed a scenario of two cooling units in operation pumping 656 mgd of discharge flow. The results of the Blumberg Study are very similar to the results of TBD's far-field model. In addition, the model ran for a 9-year period without any sign of ongoing build-up of salinity. After the two-year model run, the second year ran for an additional 7 simulated years for total model simulation period of 9 years. The Blumberg Study found salinity only increased by 1.4 ppt in the North Apollo Beach Embayment. In fact, the Blumberg Study showed no salinity build-up after the second year of the 7-year portion of the model simulation. The Blumberg Study found that the flushing time for the area near the Big Bend facility ranges from 4 to 10 days. The Blumberg Study applied a formula to predict potential DO saturation level changes. The analysis concluded a small change to DO saturation assuming full saturation on average of 7 mg/l. The Blumberg Study predicted that the desalination discharge would not lower actual DO levels below 5 mg/l. The Blumberg Study concluded that the marine ecology will not be affected by the desalination facility operation. Older Two-Dimensional Models of Tampa Bay Significant strides have been made in hydrodynamic modeling over the last 10 years, with the standard changing from two-dimensional models to three-dimensional models. Three-dimensional models provide more complete results than two-dimensional models. In the late 1970's through the late 1980's, modeling was constrained by the computing limitations of the time and could not examine the difference in water layers in a bay and potentials for currents going in different directions or speeds in different layers of the bay, as now done by state-of-the-art three-dimensional models. A two-dimensional model cannot accurately represent the tidal residual circulation in an estuary such as Tampa Bay, because it omits some of the critical physical forces that drive this type of flow. As the acoustic doppler current profiler showed, water flows in the top of the water column in one direction and flows in the bottom of the water column in a different direction. A two-dimensional model would average these flows over the entire vertical water column. In doing so, it would show much slower residual flow (and, therefore, longer residence time and a longer time to flush the system). SOBAC offered the testimony of Dr. Carl Goodwin, a civil engineer with the USGS. Dr. Goodwin provided testimony on two-dimensional model studies he did for the USGS in the late 1980's to assess the effects of dredging the shipping channel in Tampa Bay. Dr. Goodwin's studies, contained in SOBAC Exs. 69 and 70, suggested the existence of "gyres" in Tampa Bay. But no "gyres" have been observed, and it now appears that these gyres actually do not exist but are two- dimensional modeling artifacts, as shown by state-of-the-art three-dimensional modeling of Tampa Bay. In an earlier version of Dr. Luther's Tampa Bay model, an experiment was performed running the model in a vertically average mode to mimic the two-dimensional model. In this mode, the model was able to reproduce the "gyres" that Dr. Goodwin observed in his two- dimensional model. When the physical equations that related to pressure forces (baroclines) were reactivated in the three- dimensional model, the "gyres" disappeared. In addition, this experiment showed that the two- dimensional model simulation showed residence times an order of magnitude longer as compared to the full three-dimensional simulation. This means that residence time would be 10 times longer in the two-dimensional model than in the three- dimensional model, which takes into account baroclinic forces. Subsequent to the publication of his modeling studies (SOBAC Exs. 69 and 70), Dr. Goodwin found that it would take approximately 110 days for water to travel from the mouth of the Hillsborough Bay to the mouth of Tampa Bay in 1985. This calculation by Dr. Goodwin was not subjected to peer review or the USGS process. However, dividing the 110-day time period with correction factor of 10 discussed above, Dr. Goodwin's corrected estimate would predict an 11-day period for transport of water from Hillsborough Bay to the mouth of Tampa Bay--similar to the Blumberg Study and far-field model results. Opinions of Other SOBAC Experts Besides Dr. Goodwin, SOBAC also elicited some general opinions regarding the combined thermal and salinity plume from Dr. Mike Champ, called as an expert in the areas of environmental biology and chemistry, and from Dr. Wayne Isphording, called as an expert in sedimentology and geochemistry. In part, Dr. Champ based his opinion on a misunderstanding that Tampa Bay is not well-mixed or well- circulated at the location of the Big Bend power plant. In this respect, Dr. Champ's testimony was contrary to all the evidence. Even the "gyres" suggested by Dr. Goodwin's two- dimensional model studies would suggest a great deal of mixing in Middle Tampa Bay in the vicinity of the Big Bend plant. To the extent that the opinions of Dr. Champ and Dr. Isphording differed from the modeling results, they are rejected as being far less persuasive than the expert opinions of the modelers called by TBD, who spent far more time and effort studying the issue. Compliance with Dissolved Oxygen Standard Oxygen is a gas which can dissolve in water to some degree. There are two measurements of DO in water: saturation point and actual level. The saturation point of DO in water equates to the maximum amount of DO that water will hold. The actual level of DO is a measurement of the oxygen in the water. Since the saturation point is the maximum amount of DO that water will hold in equilibrium, the actual level of DO in water is typically equal to or lower than the saturation point. Desalination will affect the saturation point of DO to the extent that it increases salinity. Increased salinity decreases the saturation point of DO because it lowers the potential for water to hold oxygen. But desalination would not affect the actual level of DO in the water if the saturation point remains above the actual level of DO in the water. TBD determined that in the worst case scenario using undiluted desalination discharge, the lowest possible saturation point of DO would be 5.7 mg/l. If the actual level of DO is above 5.7 mg/l, desalination may lower that actual level of DO to 5.7 mg/l. If the actual level of DO is below 5.7 mg/l, desalination will not lower the DO. Since TBD will aerate the water in the pretreatment process, if the actual level of DO is below 5.7 mg/l, the actual level of DO in the discharge water will be increased. The permit DEP proposes to issue to TBD requires that DO at the point of discharge from the RO plant meet the following: that instantaneous DO readings not depress the intake DO when intake DO is at or below 4.0 mg/l, and that they be greater than or equal to 4.0 mg/l when intake DO is greater than 4.0 mg/l; that 24-hour average readings not depress the 24-hour average intake DO when the 24-hour average intake DO is at or below 5.0 mg/l, and that they be greater than or equal to 5.0 mg/l when the 24-hour average intake DO is greater than 5.0 mg/l. The evidentiary basis for SOBAC's argument that the proposed permit's DO limitation allowed violations of state water quality standards was the testimony of Dr. Champ. But it was evident from his testimony that Dr. Champ was not even aware of the effluent limitations until they were pointed out to him at final hearing. Nonetheless, and although Dr. Champ barely had time to read the DO limitations, Dr. Champ immediately opined that the proposed DO limitations virtually invited water quality violations. He dismissed the permit language out-of-hand as being "loosey-goosey," "fuzzy-wuzzy," and "weasel-like." Actually, there is no conflict between the proposed permit's DO limitations and the water quality standards and water quality criteria in DEP's rules. Other witnesses, particularly Tim Parker of DEP, properly compared the language in the permit with DEP's rules containing water quality standards and water quality criteria. Mr. Parker pointed out that the rules must be read in harmony with each other. Rule 62-302.530(31) contains DO water quality criteria and requires that the "actual DO shall not average less than 5.0 in a 24 hour period and shall never be less than 4.0." Rule 62-302.300(15), a water quality standard, states: Pollution which causes or contributes to new violations of water quality standards or to continuation of existing violations is harmful to the waters of this State and shall not be allowed. Waters having a water quality below the criteria established for them shall be protected and enhanced. However, the Department shall not strive to abate natural conditions. Mr. Parker testified that the "natural conditions" referred to in Rule 62-302.300(15) are those found in the intake water to the desalination facility. TBD will not violate either the water quality criteria or the water quality standard for DO. If the actual level of DO in the intake water is less than 5.0 mg/l, TBD will not decrease the actual level of DO in the water below 5.0 mg/l because the actual level of DO is below the worst case saturation point of 5.7 mg/l. The water quality standard in Rule 62-302.300(15) does not prohibit discharges having DO levels below 4.0 mg/l when that discharge does not cause or contribute to existing DO violations. TBD will not cause or contribute to existing DO violations because if the level of DO in the intake water which is the natural condition is less than 4.0 mg/l, TBD will not decrease the actual level of DO in the water. To the contrary, the desalination process will increase the actual level of DO whenever it is below 5.0 mg/l. TBD has provided reasonable assurance that the proposed desalination discharge will not violate the DO water quality standards and criteria in Rules 62-302.530(31) and 62- 302.300(15) because the desalination process will not decrease the actual level of DO below 5.0 mg/l. SOBAC argued that DO levels will drop between intake and discharge as a result of desalination. Some of this argument was based on the testimony of Dr. Mike Champ, one of SOBAC's expert witnesses. But Dr. Champ's testimony on this point (and several others) is rejected as being far less persuasive than the testimony of the expert witnesses for TBD and the other parties. See Finding 196, infra. SOBAC's argument apparently also was based on a fundamental misapprehension of the results of the Blumberg Study, which SOBAC cited as additional support for its argument that desalination will decrease DO at the discharge point. The Blumberg Study only spoke to desalination's effect on DO saturation concentrations, not to its effect on actual DO levels. (In addition, contrary to SOBAC's assertions, the Blumberg Study did not model DO saturation concentrations but only inferred them.) pH The pilot plant measured and analyzed the potential for pH changes in the desalination process and demonstrated that the desalination process reduced pH by no more than a tenth of a pH unit. pH ranges in natural seawater from top to bottom change over one full pH unit; a tenth of a pH unit change would be well within the natural variation of the system. TBD has provided reasonable assurances that the proposed desalination discharge will not violate Rule 62- 302.530(52)(c), which requires that pH shall not vary more than one unit above or below natural background of coastal waters, provided that the pH is not lowered to less than 6.5 units or raised above 8.5 units. Limitations for pH in the permit ensure compliance with Rule 62-302.530(52)(c) at the point of discharge to waters of the state. Temperature Nothing in the desalination process adds heat to the discharged water. To the contrary, the desalination process may dissipate heat due to the interface of the intake water with the air surface in the pretreatment process. Further, the effect of removing 25 mgd of heated cooling water as desal product water reduces the heat load coming out of the TEC plant cooling water discharge by that same 25 mgd. Temperature readings taken as part of the pilot plant study confirm a slight decrease in temperature across the desalination process. Metals The pretreatment process employed by TBD will result in a reduction in metals in the treated water. Ferric sulfate is added to the intake water upstream of the sand filters in the pretreatment process to precipitate metals into solid material which can be captured by the sand filters. Adding ferric sulfate in the pretreatment process results in a net reduction in the total mass load of metals in the discharge water. Initial calculations in the permit application that 104 pounds of ferric sulfate were being discharged in the desalination concentrate were based on using 20 mg/l of ferric sulfate and a conservative estimate of 95 percent settling of solids, with 5 percent of the ferric sulfate being discharged in the desalination concentrate. Further testing through the pilot plant revealed that coagulation optimizes at 9 to 14 mg/l of ferric sulfate with 97.5 percent of the solids settling, resulting in only 2.5 percent (52 pounds) of the ferric sulfate being discharged per day. The desal facility discharge of iron is minute in comparison to naturally occurring metals within the surface water flowing into Tampa Bay from the Hillsborough and Alafia Rivers. Increases in iron due to ferric sulfate addition are predicted to result in a diluted discharge in which the iron level is still below Class III marine surface water limitation of 0.30 mg/l. Even SOBAC witness Dr. Isphording confirmed that there are no concerns caused by metals that TBD is adding during the process. Discharge Effect on Metal Absorption/Desorption Dr. Isphording limited his concerns to the reaction of higher salinity, DO, and redox to the sediments already contained within the area beyond the discharge point. Dr. Isphording admits that he cannot quantify what the potential release of heavy metals would be due to these factors. Absorption of metals occurs when an organic or clay particle attracts to its surface a metal. Biota do not obtain metals if the metal is held in sand or silt size particles. Biota, be they plant or animal, in most cases obtain the metals they receive from tiny particles that are suspended in the water called microparticulate material. Microparticulate material is generally referred to as colloidal phase. Typically, this phase is on the order of a tenth of a micron in size. Biota obtain metals only if they are present at clay- size particles. Only 10 percent of the quantity of metals that are theoretically available to the biota in a given environment is actually absorbed in tissues. Salinity Has Little Effect on Metals Salinity does not exert a controlling influence on absorption/desorption reactions except at very low salinities. If the salinity is zero, which is essentially a pure freshwater environment, and the salinity level then rises 3 ppt, there would be profound changes in the metal loads, for example, where rivers meet estuaries or seawater. When salinity levels in the water are on the order of 25 ppt, small salinity perturbations such as 2.5 ppt will have a very small effect on absorption/desorption reactions. In fact, the influence can be either positive or negative, but in general they are going to be quite small. Potential releases or gains of metal from salinity changes of 2.5 ppt, at the area of the discharge canal, would be difficult to predict, and it is uncertain whether the change would be positive or negative. pH Will Have Virtually No Effect on Metals Although SOBAC witness Dr. Isphording knew of no change to pH caused by the desalination process, he testified to the alleged effect of lowered pH on the metal in the sediments and water column. Only large pH differences can have a significant influence on absorption or desorption of metals. Any effect on absorption from a decrease in pH on the order of a tenth of a pH unit will be hidden within the natural variations of the estuarine system. See Finding 140, supra. Effect of Lower Oxygen Levels on Metals Redox is basically an oxidation-reduction phenomenon. In order for the low levels of oxygen to have a reducing effect resulting in a release of metals from sediments, virtually all of the oxygen would have to be removed from the water. Basically, the environment would have to reach anoxic conditions. Even then, some metals such as copper would remain within the sediments. In an oxygen-buffered system, redox perturbations will not significantly or measurably mobilize metals. Sediments can be oxidizing in the upper part and then generally become more reducing at depth. The area near the desal discharge does not have organic-rich deep sediment. Proposed Discharge Effect on Bioavailability of Metals The proposed desalination plant's discharge will not increase the bioavailability on metals above that of natural variations and any changes would be hard to discern or measure. Nor will there be any appreciable accumulation of metals in sediments in the receiving water resulting from the proposed desalination discharge. DEP has not established any sediment quality standard and monitoring of sediments is not a NPDES requirement. The desalination plant does not result in violations of Class III marine surface water criteria and standards. No Synergistic Effects Caused by Discharge There are no synergistic effects from the proposed discharge wherein the combination of two elements such as temperature and salinity together would create a new effect. Instead, pH, redox, salinity, and temperature may have small, immeasurable effects that may offset each other. No Adverse Impacts to Biota Comprehensive species lists of phytoplankton, zooplankton, benthic macroinvertebrates, fish, aquatic flora (including seagrasses and mangrove species), and threatened or endangered species inhabiting the area were prepared based on extensive review of applicable scientific literature on Tampa Bay. The salinity tolerance ranges of these species were determined through extensive review of information on salinity ranges associated with species capture, laboratory studies, review of studies addressing species types and salinity tolerances in hypersaline estuaries, and species salinity tolerances determined for other desalination projects. When background salinity is above 10 ppt, changes in salinity of a few ppt have no effect on most organisms. Lower salinities are more detrimental than high salinities to most marine organisms, as long as the upper limit does not exceed a value of approximately 40 ppt salinity. Most planktonic species and life forms can tolerate salinities of up to 40 ppt. Mangrove and seagrass species living in the area can tolerate salinity levels as high as 60 ppt. Benthic macroinvertebrates in the area routinely experience, tolerate and survive in salinity levels ranging from approximately 6 ppt to over 39 ppt under natural environmental conditions. Fish species in the area routinely experience and tolerate salinity levels as high as 39 to 40 ppt under natural environmental conditions. Estuaries serve as fish nurseries because fish species lay their eggs in estuaries, and the larval and juvenile life stages live and mature in estuaries. Due to extreme range of conditions that naturally occur in estuaries, fish reproductive strategies have adapted to enable fish eggs and larval and juvenile life stages to tolerate the wide range of natural conditions, including ranges in salinity levels, that are endemic to estuaries. Egg, larval, and juvenile fish stages may be better able to tolerate extreme range of salinities than adults life stages. A 2.5 ppt increase in salinity and the permitted maximum increase of 10 percent above the intake chloride level is within the range of tolerance and variability that seagrasses, mangrove species, benthic macroinvertebrates, biota, fishes, manatees, zooplanktonic and phytoplanktonic species, and other organisms and life forms living in Tampa Bay routinely encounter and tolerate in the natural environment. A 2.5 ppt increase in salinity with the maximum permitted salinity discharge limit of 35.8 ppt of salinity and the permitted maximum increase of 10 percent above the intake chloride level will not adversely affect the survival or propagation of seagrasses, mangroves, benthic macroinvertebrates, biota, zooplankton, phytoplankton, fish, fish eggs, or juvenile life stages of fish species, or other organisms or life forms in Tampa Bay, and specifically the portion of Tampa Bay in the vicinity of the desalination plant discharge. The Shannon-Weiner Index, which is a biological integrity index codified at Rule 62-302.530(11), requires that the index for benthic macroinvertebrates not be reduced to less than 75 percent of established background levels. Since there will be no adverse impacts to benthic macroinvertebrates due to the desalination discharge and since the level of salinity increases anticipated will tend to benefit benthic macroinvertebrates population, TBD has met the criterion in Rule 62-302.530(11). The Mote Marine Laboratory data showed that Tampa Bay experienced a 2.0 ppt change in salinity over the course of one month. No fish kill or observable die-offs of species were observed or reported from this natural occurrence of elevated salinity. The desalination discharge will (1) not adversely affect the conservation of fish and wildlife, including endangered species, or their habitats, (2) not adversely affect fishing or water-based recreational values or marine productivity in the vicinity of the proposed discharge, (3) not violate any Class III marine water quality standards, and (4) maintain water quality for the propagation or wildlife, fish, and other aquatic life. The desalination discharge meets the antidegradation standards and policy set forth in Rules 62-4.242 and 62- 302.300. Discharge Disposal Options Analyzed As part of the permitting process, TBD demonstrated that the use of land application of the discharge, other discharge locations, or reuse of the discharge was not economically and technologically reasonable, pursuant to Rule 62-4.242. TBD submitted a sufficient analysis of these options as part of its Antidegradation Analysis. (TBD Ex. 1G; TBD Ex. 200, Fact Sheet, p. 16). Further Protection in the Permit The permit review of the desalination permit application is one of the most thorough ever conducted by DEP. The proposed permit has conditions which create and provide a wide margin of environmental protection. The permit sets effluent limitations of various constituents which are reasonably expected to be in the desal facility discharge and provides for monitoring programs to ensure compliance with those effluent limitations. The monitoring requirements of the proposed permit exceed the monitoring requirement imposed on other facilities in the Tampa Bay area. Effluent Limitations DEP established effluent limitations using the Class III marine state water quality standards, data provided from the pilot plant regarding the chemical characterization, the modeling conducted by DHI and the University of South Florida, and the water quality data collection by Mote Marine Laboratory in connection with the establishment of the WQBEL. The effluent limitations contained in the permit are consistent with DEP rules. The proposed permit restricts TBD to the lesser of either the chloride limit of 10 percent above intake or the salinity limit of 35.8 ppt. There is no state water quality standard for salinity. The permit limit for chlorides complies with Rule 62- 302.530(18). The permit's additional requirement of a minimum dilution ratio has the effect of limiting chlorides to 7 percent above intake for 384 hours per year and 5 percent above intake for the remainder of the year and thus provides extraordinary assurance that the state water quality standard for chlorides will be met. Dr. Champ was SOBAC's primary witness in support of its argument that the proposed permit allows a discharge with excessive salinity. But it was apparent from his testimony that Dr. Champ misinterpreted the permit limitations for salinity. See Finding 196, infra. Dr. Champ conceded that the chloride limit of 10 percent above intake was appropriate but focused on the 35.8 ppt maximum, as if it overrode the chloride limitation. As found, the opposite is true. TBD will be limited to 10 percent above intake for chlorides even if the result is salinity far less than the daily maximum of 35.8 ppt. Dr. Champ also had concerns about comparing the discharge to intake chloride levels as not being representative of "normal background." He argued (as does SOBAC) for comparing discharge to chloride levels somewhere else in Middle Tampa Bay, nearby but far enough away to insure no influence from the discharge. But the modeling evidence provided reasonable assurance that there will not be a great deal of recirculation of discharge to intake and that the recirculation expected will not cause salinity to build-up continuously over time. The modeling evidence is accepted as far more persuasive than Dr. Champ's testimony. See Finding 196, infra. The only metals for which effluent limitations were established in the permit are copper, nickel, and iron because these were the only metals determined to be close to the state water quality standard levels by the pilot plant studies. The actual levels of such metals in the desalination discharge will be less than those in the pilot plant testing because the dilution ratio (12.8 to 1) used in the pilot testing is much higher than the minimum dilution ratio required by the permit (20 to 1). The permit effluent limitations for copper, nickel, and iron are based on, and comply with, DEP Rules 62- 302.500(2)(d) and 62-302.530(24), (39) and (45). The permit effluent limitations for Gross Alpha are based on and comply with the requirements in Rule 62- 302.530(58). Biological treatment of the desalination plant discharge concentrate is not required because it consists of seawater. Monitoring for Effluent Limitations DEP is able to separately determine TEC's compliance with its permit from TBD's compliance with the effluent limitations in the proposed desalination permit because of how the facility is designed and the monitoring is constructed. Monitoring requirements in the proposed permit were determined with reference to the probability of desal facility discharge exceeding specific water quality standards. DEP rules do not require monitoring for each and every constituent detected above background concentrations, only those which would probably exceed state water quality standards. The permit requires monitoring of effluent limitations at the intake to and discharge from the desalination facility and the calculation of the diluted effluent levels in the co-mingled discharge water. In order to calculate the effluent components in the diluted discharge water, continuous monitoring is performed on the TEC cooling water discharge rate of flow. Parameters of DO, conductivity, salinity, chlorides, copper, iron, nickel, radium, gross alpha, and effluent toxicity are measured at both intake and discharge pursuant to proposed permit. Monitoring of Intake Monitoring of the intake will be located, after interception off TEC Units 3 and 4, prior to entering the desalination plant. Using a sampling location of the intake to the desalination facility prior to filtering or chemical addition for background samples is consistent with the definition of "background" in DEP Rule 62-302.200(3). EPC Stations 11, 80, 81, 13, and 14 are not proper locations for background samples because salinity varies with tides and depth and those stations are too distant from the actual intake point. EPC station 9 is not a good location because it is closer to the discharge than the permit sample point. Monitoring of Discharge Monitoring of the discharge will take place in the wet well prior to discharge into TEC's cooling water discharge tunnels. This monitoring location is in compliance with Rule 62-620.620(2)(i) which provides for monitoring of effluent limitations in internal waste streams. Monitoring of the desal facility discharge concentrate in each of the four cooling water discharge tunnels is impractical due to the high volume of dilution and addition of four potential discharge locations. Once the desal facility concentrate is diluted by the TEC cooling water discharge, it is much more difficult to obtain accurate water quality testing for constituents at such minute levels. Monitoring of the Combined Discharge Concentrations Calculations determine the mixing ratios of the desalination concentrate with TEC's cooling water. Using the flow data from TEC, the calculations will accurately determine the water quality of the co-mingled discharge water. Compliance with Permit Effluent Limitations The proposed permit requires TBD to monitor constituents for which there are effluent limitations on either a daily, weekly or monthly basis, depending on the constituent. The frequency of monitoring for each constituent is based on comparing the expected levels of the constituent to the water quality standard and analyzing the probability of the desal facility discharge exceeding that standard. The monitoring provides additional assurances beyond the pilot plant studies, testing and modeling that no water quality standard will be violated. Continuous monitoring is not necessary to successfully monitor discharges. Monthly measurements are sufficient to determine compliance even for a daily permit level because the chemical characterization studies provide reasonable assurances that the desalination concentrate will not exceed the effluent limitations. Monthly monitoring provides further checks and balances to assure that the desalination discharge is in conformance with the effluent limitations and DEP rules. The EPA only requires that monitoring occur at least once a year. Conductivity provides a direct correlation to salinity and chlorides. Measuring conductivity provides salinity and chloride levels by basis of calculations and is typically used as a surrogate for monitoring chloride and salinity continuously. Salinity and chloride cannot themselves be measured continuously because they are measured by lab tests. The permit requires conductivity to be monitored continuously, not because DEP believed the desalination discharge would be near the chloride limitation, but rather to be extremely conservative. The permit conditions treat an exceedance of salinity or chlorides based on conductivity readings to be a violation of the permit effluent limitations for salinity and chlorides. TBD provided reasonable assurance to DEP that the proposed desalination discharge would not violate the DO water quality standards and criteria in Rules 62-302.530(31) and 62- 302.300(15). The permit condition requiring monitoring of DO provides verification that desal facility discharge will meet the DO water quality standards. Even SOBAC's witness Dr. Champ admitted that a continuous measurement for DO is not as valuable as random weekly samples. External Monitoring Programs The proposed permit requires TBD to develop and submit to DEP a Biological Monitoring Program to monitor seagrasses, benthic macroninvertebrates and fish populations to be consistent with existing Tampa Bay monitoring programs. This program will provide an effective means of monitoring the potential impacts of the desalination discharge. The proposed permit also requires TBD to implement a Water Quality Monitoring Program for three monitoring stations located proximal to the intake, the discharge and the North Apollo Beach Embayment which will monitor conductivity, salinity, DO and temperature continuously. These monitoring programs will provide additional ambient data to DEP. If the data indicate an exceedance or reasonable potential for an exceedance of water quality standards, DEP may reopen the permit in accordance with the reopener clause contained in the permit. These monitoring programs go beyond the requirements in DEP rules. Additionally, DEP does independent monitoring of NPDES discharges without notice and on a purposely unpredictable basis. Proof of Financial Responsibility Rule 62-620.301(6) addresses when DEP may require a permit applicant to submit proof of financial responsibility to guarantee compliance with Chapter 403, Florida Statutes. TBD's compliance history was taken into consideration during the permitting process. Adequate financial assurance were provided in the permit application. (TBD Ex. 1I). Further, the permit conditions added by the settlement agreement (TBD Ex. 470) provide for additional financial assurance beyond those that can be required by the NPDES program and DEP rules. Additional Comment on SOBAC's Evidence As already indicated, SOBAC elicited the testimony of several expert witnesses at final hearing to support its contentions. But none of SOBAC's experts spent a great deal of time studying TBD's desal project, especially compared to witnesses for the other parties. Mostly, SOBAC experts expressed general scientific principles that were not directly tied to specifics of the desal project or were very general expressions of concern. Often, SOBAC's experts were not familiar with all the efforts of experts offered by the other parties to address those very concerns. Except for Dr. Champ, no SOBAC expert opined that the proposed permits would result in violations of DEP statutes and rules. Some SOBAC experts expressed opinions that only would be relevant if there were insufficient assurances in proposed permits that DEP statutes and rules would not be violated. Statistical evidence presented was not particularly relevant. Dr. Goodwin As previously mentioned, Dr. Carl Goodwin was willing to provide testimony on work he did for the USGS, but he gave no expert opinions on the permits which are the subject of these proceedings. As also previously discussed, his two- dimensional model studies were constrained by computational limitations. Even so, his studies indicated that flushing in Tampa Bay was becoming more rapid in recent years. In addition, even if the "gyres" suggested by his two-dimensional studies actually existed, they would tend to promote mixing in Tampa Bay in area of the Big Bend power plant. Dr. Champ Dr. Champ's first opinion was that 35.8 ppt is too high a salinity limit and would result in "oceanic" conditions. He attempted to compare this result to results of diversion of substantial amounts of freshwater inputs to the Black Sea for agricultural purposes--a totally different situation not suitable for comparison to Tampa Bay. Initially, Dr. Champ suggested a limitation of a 10 percent increase above "background" or "ambient" conditions; it was apparent that initially Dr. Champ was not cognizant of the 10 percent over intake chloride limitation in the proposed permit. When he was made aware of the chloride limit, he misinterpreted the two limits, saying that TBD would not be limited to the lower of the two. When it was suggested that he might have misinterpreted the two salinity limits, Dr. Champ testified that chlorides should be compared to a "natural" or "environmental" control site somewhere nearby but outside the influence of the combined TEC/TBD discharge; he said it was a "farce" to compare chlorides to a control site "inside the plant." In so doing, he seemed not to recognize the purpose of the comparison made in the proposed permit--to isolate and identify the impacts of TBD's desal process. In addition, dismissing without much consideration the contrary results of extensive and sophisticated modeling, Dr. Champ opined off- handedly that DO would decrease due to higher salinity that would recirculate and build-up over time. In part, Dr. Champ based this opinion on his misunderstanding that Tampa Bay is not well-mixed or well-circulated at the location of the Big Bend power plant. This was contrary to all the evidence; even if the "gyres" predicted by Dr. Goodwin's two-dimensional model existed, they would suggest a great deal of mixing in Middle Tampa Bay in the vicinity of the Big Bend plant. Dr. Champ next misinterpreted the DO limits in the proposed permit. See Finding 133, supra. Dr. Champ then predicted a decrease in species diversity as a result of higher salinity and lower DO. (To the contrary, salinity increases in the amounts predicted by the far greater weight of the evidence probably would result in somewhat of an increase in species diversity.) Ultimately, Dr. Champ testified that consequences to marine organisms would be dire, even if salinity increased only by 2.5 ppt, because a "salinity barrier" would form across Middle Tampa Bay in contrast to more gradual natural changes in salinity. The far greater weight of the evidence was to the contrary. Dr. Champ made several suggestions to avoid the calamitous results he predicted: require use of a cooling tower to reduce the temperature of the combined TEC/TBD discharge; collect the desal brine concentrate and barge it to the Gulf of Mexico; require intake and discharge pipes extending into the shipping channel in Middle Tampa Bay. But Dr. Champ did not study or give a great deal of thought to implementation of these suggestions. Besides, the other parties proved that these measures were not needed for reasonable assurances. In an attempt to buttress his opinion testimony, Dr. Champ also testified (along with SOBAC's President, B.J. Lower) that the TEC intake canal is virtually devoid of life and that biodiversity in the discharge canal is very low. This testimony was conclusively refuted by the rebuttal testimony of Charles Courtney, who made a site visit after SOBAC's testimony and described in detail a significant number of healthy species in the intake canal, including oyster communities, xanthid crabs, porcellanid crabs, snook, anemones, bivalves, polychaete, and mangroves with seedlings. Of the one and one- half pounds of oysters that Mr. Courtney sampled, he estimated that approximately fifty percent of those oysters were living, which represents a very healthy community. Mr. Courtney further noted that some of the crabs were carrying eggs, which indicates an active life cycle for those species. As to the TEC permit modification, Dr. Champ testified that it was “in-house stuff” which would not affect the environment outside the TEC plant. No other SOBAC witness addressed the TEC permit modification. Dr. Isphording SOBAC called Dr. Wayne Isphording as an expert in sedimentology and geochemistry. Dr. Isphording expressed no concern that the desal process would add metals to Tampa Bay. Essentially, he gave opinion testimony concerning general principles of sedimentology and geochemistry. He testified that heavy metals bound in sediments are released naturally with increases in salinity, but that salinity levels would have to be extreme to result in the release of abnormal quantities of such metals. He admitted that he had performed no studies of sediments in Tampa Bay and declined to offer specific opinions that metals in fact would be released as a result of predicted salinity increases. Dr. Isphording admitted that he knew of no condition in the proposed Desal Facility permit which would cause or allow a violation of state water quality standards. He was aware of no statute or rule requiring more monitoring and testing than is required in the proposed permit. Dr. Parsons SOBAC offered the testimony of Dr. Arthur Rost Parsons, an assistant professor of oceanography at the Naval Postgraduate School, in an attempt to raise questions regarding the near-field and far-field modeling which were provided by TBD to DEP during the course of the permitting process. However, not only had Dr. Parsons not done any modeling in Tampa Bay himself, he was not provided numerous reports and clarifications relating to the studies he was called to critique. He only reviewed an interim report dated November 1, 2000, regarding the near-field model. Dr. Parsons testified that the DHI model used for the near-field study was an excellent shallow water model. He found nothing scientifically wrong with it and testified that the "physics and the model itself is . . . well–documented." Dr. Parsons also did not contradict the results of the DHI model. Instead, he noted that the modeling task was difficult and complex, he described some of the model's limitations, and he testified to things that could have been done to increase his confidence in the model results. One of Dr. Parson's suggestions was to run the model longer. But the evidence was that, due to the model's complexity and high computational demands, it would have been extremely expensive to run the model for longer periods of time. Another of Dr. Parson's suggestions was to use salinity data would be to use the information that the model itself generated with regard to salinity distributions instead of a homogeneous set of salinity data. Dr. Parsons was concerned that use of homogeneous salinity data would not reflect the effect of "double diffusion" of heat and salinity, which would result in sinking of the combined heat. But engineer Andrew Driscoll testified in rebuttal that the effects of "double diffusion" would cease once equilibrium was reached and would not result in a hypersaline plum sinking to the bottom. In addition, he testified that turbulent mixing from tide and wind would dominate over the effect of "double diffusion" at the molecular level so as to thoroughly mix the water, especially in the shallow North Apollo Beach Embayment. Dr. Parsons also suggested that the model be run for rainy season conditions to see if the effects of vertical stratification would increase. But even if vertical stratification increased as a result of rain, salinity also would be expected to decrease. The scenario modeled was "worst case." Dr. Parsons also suggested the use of a range of temperatures for the combined heat/salinity plume instead of an average temperature. However, he conceded that it was not inappropriate to use average temperature. Instead, he would have liked to have seen the model run for a range of temperatures to see if the model was sensitive to temperature differences so as to increase his confidence in the results. Dr. Parson's testimony focused on the near-field model. His only comment on the far-field model was that he thought it should have used the out-puts from the near-field model (as the near-field used the outputs). Scott Herber SOBAC offered no direct testimony on the impact of the Desal Facility discharge on seagrasses in Tampa Bay. The testimony of Steve Herber, a doctoral student at the Florida Institute of Technology, related to the vulnerability of seagrasses, in general, to changes in salinity. However, Mr. Herber had no specific knowledge of the seagrasses present in Tampa Bay and had not performed or reviewed any scientific studies upon which his opinion could be based. He reached no conclusions about the specific permits at issue in this proceeding, nor about the effect of the Desal Facility on seagrasses in Tampa Bay. In contrast to Mr. Herber, the testimony of TBD's expert, Robin Lewis, and SWFWMD's expert, Dr. David Tomasko, provided detailed information about the seagrasses located in Tampa Bay. Both have studied seagrasses in Tampa Bay for many years and have been involved in mapping seagrass distribution in a variety of bays and estuaries along the west coast of Florida. Dr. Tomasko criticized witnesses for SOBAC who attempted to draw conclusions about Tampa Bay based on studies of other bays and estuaries because each bay has unique characteristics that cannot be extrapolated from studies of other bays. Dr. Tomasko and Lewis testified that seagrasses in Tampa Bay are becoming more abundant, that dissolved oxygen levels are increasing, and that water clarity in Tampa Bay is also improving. Dr. Mishra Dr. Satya Mishra was called by SOBAC as an expert in statistics. He is not an expert in the discrete field of environmental statistics. He has never been involved in the development of a biological monitoring program and could not provide an opinion regarding what would be an adequate sample size for this permit. He essentially expressed the general opinions that for purposes of predictive statistical analysis: random sampling is preferred; statistical reliability increases with the number of samples; and 95 percent reliability is acceptable. Dr. Mishra performed no statistical analysis in this case and could not conclude that the sampling provided in the proposed permit would not be random. Ron Chandler Ron Chandler, a marketing representative for Yellow Springs Instrument Corporation (YSI), simply testified for SOBAC regarding the availability of certain types of continuous monitoring devices. He did not offer any opinions regarding whether or not reasonable assurance required continuous monitoring of any specific parameter or any monitoring different from or in addition to what is proposed in TBD's proposed permit. John Yoho SOBAC called John Yoho as a financial and insurance expert to criticize the terms of an agreement by TBD, TBW, and DEP to settle Hillsborough County's request for an administrative hearing (DOAH Case No. 01-1950). This agreement is contained in TBD Ex. 470. But Yoho admitted that he had no knowledge regarding what is required to obtain an NPDES permit in terms of financial assurances. He also indicated that none of his testimony should be understood as relating in any way to financial assurances required for such a permit to be issued. Alleged Improper Purpose The evidence did not prove that SOBAC participated in DOAH Case No. 01-2720 for an improper purpose--i.e., primarily to harass or to cause unnecessary delay or for frivolous purpose or to needlessly increase the cost of licensing or securing the approval of TEC's permit modification applications. To the contrary, the evidence was that SOBAC participated in this proceeding in an attempt to raise justifiable issues arising from the peculiarities of the relationship of TEC's permit modification application to TBD's permit application. Although SOBAC suffered adverse legal rulings that prevented it from pursuing many of the issues it sought to have adjudicated on TEC's permit modification application, it continued to pursue issues as to the TBD permit application which, if successful, could require action to be taken on property controlled by TEC and, arguably, could require further modification of TEC's permit.
Recommendation Based on the foregoing Findings of Fact and Conclusions of Law, it is RECOMMENDED that the Florida Department of Environmental Protection enter a final order: (1) issuing the proposed permit number FL0186813-001-IWIS, as set forth in TBD Ex. 203 with the addition of the two permit conditions specified in TBD Ex. 470; (2) issuing proposed permit modification number FL0000817-003-IWIS, as set forth in TBD Ex. 225; and (3) denying TEC's request for attorney's fees and costs from SOBAC under Section 120.595(1). Jurisdiction is reserved to enter an order on TBD's Motion for Sanctions filed on August 13, 2001, regarding SOBAC expert Ralph Huddleston. DONE AND ENTERED this 17th day of October, 2001, in Tallahassee, Leon County, Florida. __________________________________ J. LAWRENCE JOHNSTON Administrative Law Judge Division of Administrative Hearings The DeSoto Building 1230 Apalachee Parkway Tallahassee, Florida 32399-3060 (850) 488-9675 SUNCOM 278-9675 Fax Filing (850) 921-6847 www.doah.state.fl.us Filed with the Clerk of the Division of Administrative Hearings this 17th day of October, 2001. COPIES FURNISHED: W. Douglas Beason, Esquire Department of Environmental Protection 3900 Commonwealth Boulevard The Douglas Building, Mail Station 35 Tallahassee, Florida 32399-3000 William S. Bilenky, Esquire Southwest Florida Water Management District 2379 Broad Street Brooksville, Florida 34604 Ralf G. Brookes, Esquire Morgan & Hendrick 1217 East Cape Coral Parkway Suite 107 Cape Coral, Florida 33904-9604 Donald D. Conn, General Counsel Tampa Bay Water 2535 Landmark Drive, Suite 211 Clearwater, Florida 33761-3930 Lawrence N. Curtin, Esquire Holland & Knight, LLP 315 South Calhoun Street, Suite 600 Post Office Box 810 Tallahassee, Florida 32302-0810 Douglas P. Manson, Esquire Carey, O'Malley, Whitaker & Manson, P.A. 712 South Oregon Avenue Tampa, Florida 33606-2543 E. A. Seth Mills, Jr., Esquire Fowler, White, Gillen, Boggs, Villareal & Banker, P.A. 501 East Kennedy Boulevard, Suite 1700 Post Office Box 1438 Tampa, Florida 33601-1438 Joseph D. Richards, Esquire Pasco County Attorney's Office 7530 Little Road, Suite 340 New Port Richey, Florida 34654-5598 Cathy M. Sellers, Esquire Moyle, Flanigan, Katz, Raymond & Sheehan, P.A. 118 North Gadsden Street Tallahassee, Florida 32301-1508 Linda Loomis Shelley, Esquire Fowler, White, Gillen, Boggs, Villareal & Banker, P.A. Post Office Box 11240 Tallahassee, Florida 32302 Kathy C. Carter, Agency Clerk Office of General Counsel Department of Environmental Protection 3900 Commonwealth Boulevard, Mail Station 35 Tallahassee, Florida 32399-3000 Teri L. Donaldson, General Counsel Department of Environmental Protection 3900 Commonwealth Boulevard, Mail Station 35 Tallahassee, Florida 32399-3000 David B. Struhs, Secretary Department of Environmental Protection 3900 Commonwealth Boulevard The Douglas Building Tallahassee, Florida 32399-3000
The Issue As reflected in the parties' prehearing stipulation filed on August 28, 1991, the issue in this case is whether the St. Johns River Water Management District (SJRWMD) should approve South Brevard Water Authority's (SBWA) consumptive use permit (CUP) application. The SBWA is seeking permission to withdraw an annual average daily rate of 18.8 million gallons (mgd) and a maximum daily rate of 21.4 mgd. The District proposes to grant the permit with specified conditions. Petitioners challenge the issuance of the permit, alleging that applicable requirements of Chapter 373, F.S. and Chapter 40C-2, F.A.C. and other applicable law are not met. The standing of Petitioners, other than Osceola County, is at issue. Also at issue is whether the relevant criteria include consideration of the adequacy of existing sources of water, and the consideration of costs of utilizing existing sources versus the cost of the proposed new source of water.
Findings Of Fact The Parties The applicant, South Brevard Water Authority (SBWA) was created by special act of the legislature, Chapter 83-375, Laws of Florida. Its principal office is located in Melbourne, Brevard County, Florida. Its general mission is described in Section 1, of Chapter 83-375, Laws of Florida, as amended by Chapter 87-481, Laws of Florida: Section 1. It is hereby declared and determined by the Legislature that a regional water authority is the most responsive, efficient, and effective local government entity to secure, operate, and maintain an adequate, dependable, and safe water supply for the district and customers of the district. It is the intent of the Legislature that such regional water authority possess the full power and authority to implement, finance, and operate a single coordinated program of water supply transmission and distribution to meet the future quantity and quality needs of the district and for customers of the district. There is a paramount public need to develop a safe, reliable, and energy-efficient source of public water for the district residents and to contruct the wellfields, transmission lines, and other facilities necessary to supply such water. The St. Johns River Water Management District (SJRWMD or District) is an agency created pursuant to Chapter 373, F.S. in charge of regulating consumptive uses of water in a 19-county area of the State of Florida, including all of Brevard and part of Osceola County. The geographical boundaries of the District are described in Section 373.069(2)(c), F.S. Osceola County is a political subdivision of the state, west of, and contiguous to, south Brevard County. The Corporation of the President of the Church of Jesus Christ of Latter Day Saints (Deseret) is a Utah corporation authorized to conduct business in the State of Florida. Deseret owns real property in Osceola County to the north and east of the proposed wellfield. Deseret possesses a valid consumptive use permit authorizing the withdrawal of water for this property. East Central Florida Services (ECFS) does not own land or possess a consumptive use permit (CUP). Its purpose is to take over the water management program for the Deseret property. It has applied to the Public Service Commission for certification. Notwithstanding the parties' stipulation that "Triple E Corporation" and "Triple N Corporation" own real property in Osceola County near the proposed wellfield (prehearing stipulation, filed 8/28/91, p. 5), no such corporations are registered in the State of Florida. The lands identified as Triple E and Triple N are owned by multiple parties through trusts, primarily managed by Maury L. Carter, one of the owners. Neither Triple E nor Triple N properties have CUP's. The properties are used for agricultural purposes and the Triple N property has a well and recreational camp. The Site of the Proposed Use The proposed wellfield is located on property owned by the SJRWMD, the Bull Creek Wildlife Management Area (BCWMA), located entirely in eastern Osceola County. The BCWMA is comprised of 22,206 acres within the drainage area of the St. Johns River. The northern third of the management area is drained by Crabgrass Creek, and the southern two-thirds is drained by Bull Creek. The easternmost boundary is located approximately one mile from the Brevard County boundary. Currently all 22,206 acres of the BCWMA are under lease to the Florida Game and Fresh Water Fish Commission, which agency manages the area as a public recreation facility for hunting, fishing, hiking, horseback riding, camping and archeological studies. The sparsely populated area has historically been used for logging and cattle grazing. It was acquired for a detention area and it currently provides nonstructural flood protection. Its surface topography is relatively flat, with uplands and wetlands separated by only inches in vertical elevation. Upland communities include pine flatwoods, saw palmetto prairies, pine savannahs and sand oaks. Wetland communities include cypress domes, mixed shallow marshes, sawgrass marsh, wet prairies and transitional prairies. The BCWMA is classified as a "conservation area" in the District's current adopted Five Year Land Plan which summarizes the agency's land acquisition and management policies. A "conservation area" is defined as "...an area acquired for water resource conservation and protection in an environmentally-acceptable manner". The term includes water supply areas, including areas for public wellfield location. (Osceola Co. exhibit #33, p. 15) Facilities Associated with the Proposed Consumptive Use Although the precise siting of the wells has not been established, the wellfield will be located at the northern end of the BCWMA, east-west into a "panhandle" area, and extending south, for an inverted "L" shape. The wellfield will consist of 12 production wells in 2000 ft. intervals. Wells 1-9 will lie along an east-west axis adjacent to Crabgrass Creek, while wells 10-12 will lie along a north-south axis below well 9, the eastern-most well. The capacity of each well is designed at 3,000 gallons per minute or approximately 4.30 million gallons a day (mgd). Each well consists of 20" diameter casing pipe extending 700' below the ground surface. From there, an open hole for production will extend another 250 feet in depth. A small, 20 ft. by 30 ft., concrete building will enclose the motor and other equipment associated with each well, in order to eliminate vandalism and to baffle the noise. The wells will be sited to avoid jurisdictional wetlands. In addition to the production wells, monitoring wells will be constructed to comply with permit conditions. Because the water drawn from the proposed wellfield will exceed potable standards, reverse osmosis (RO) desalinization treatment is required. A below ground header pipeline will carry raw water from the wellfield to an RO treatment facility in Brevard County. The RO treatment facility will process 75 percent of water coming from the wellfield, 85 percent of which is recovered as finished water, and 15 percent of which is disposed of as brine by deep well injection. The 25 percent of raw water which bypasses the treatment process will be blended with the finished water to yield water which meets drinking water standards for chloride levels. The yield is anticipated to be 16.67 mgd on an average day and 18.9 mgd on a maximum day. However, the finished water yield could be higher if raw water quality permits greater blending and less reject water. On the finished water side, the water will need to be treated again to assure that it will be compatible with water from the City of Melbourne plant. Failure to balance the blended waters chemically could result in corrosion of pipes, leaching of pipes, discoloration, rusty water, and odorous water. A proper process, therefore, is essential and is highly sophisticated. From the treatment facility the water will travel in underground pipes, beneath the St. Johns River, beneath I-95 and east to the Melbourne distribution system. From there some water is anticipated to travel south to connect to the General Development Utilities (GDU) system. Hydrogeologic Characteristics of the Site For modelling purposes, the aquifer system in the region is represented by sequential layers of differing characteristics in the flow and movement of water. The SBWA model contains 6 layers; the Osceola model contains 7 layers. In both models, layer 1 corresponds to the surficial (water table) aquifer; layer 2 corresponds to the Hawthorn formation (the upper confirming layer); layer 3 is the Upper Floridan aquifer; layer 4 describes the 200 ft. thick portion of the Upper Floridan called the "production zone"; layer 5 in the SBWA model is approximately 450 ft. thick and is called a confining unit; Osceola's consultants consider this layer less permeable or semi-confirming; layer 6 is the lower Floridan; and layer 7 in the Osceola model is the bottom reaches of the lower Floridan. The surficial aquifer consists of sand and shell deposits and extends to a depth of approximately 100 feet below land surface. The surficial aquifer is capable of producing small to moderate amounts of water for domestic uses. The Hawthorn is an interbedded formation consisting of clay, limestone and phosphate. Due to its extremely low permeability, this layer restricts both the vertical and horizontal movement of water. The Hawthorn is thicker in Central Florida than in other portions of the state. At the BCWMA the thickness of the Hawthorn ranges from 240 feet in the area northwest of the management area to 80 feet in the southeastern portion of the management area. The upper Floridan Aquifer at the BCWMA, as characterized by the SBWA's consultant and based on site specific data, extends from the base of the Hawthorn to a depth of approximately 900 feet below land surface. That portion of the upper Floridan Aquifer between the bottom of the Hawthorn and 700 feet below land surface consists of fine grained limestone with relatively low permeability. This zone corresponds with layer 3 in the groundwater modeling done by the SBWA. The portion of the upper Floridan between the bottom of the Hawthorn and 700 feet below land surface is less capable of producing water than the portions below this level. That portion of the upper Floridan Aquifer between 700 feet and 900 feet of depth consists of hard dolomites. Dolomitic zones are the most productive zones of water within the Floridan in this part of the state because these formations contain solution fractures and cavities. This zone corresponds with layer 4 in the groundwater modeling done by the SBWA. Several researchers and modelers have suggested the existence of a zone, variously referred to as a semi-confining unit, a zone of lower permeability or a middle semi-confining unit, located between the upper and lower Floridan Aquifer. This area between 900 feet and 1350 feet below land surface consists largely of hard dolomites similar in nature to those in the zone immediately above it. This zone corresponds to layer 5 in the groundwater modeling done by SBWA. Previous regional modeling efforts have utilized model derived values to describe the middle semi-confining unit rather than site specific information showing the location, thickness or hydrogeological characteristics of the zone. Site specific data tends to confirm the lower permeability of this zone relative to the layers above and below it. Site specific data consists of a core sample, mineral content observed during the drilling of the test monitor well, and a Neumann-Witherspoon ratio analysis conducted during the aquifer performance test. The area between 1350 feet and 1450 feet below land surface also consists of dolomites but with greater permeability and greater transmissivity (the measure of an aquifer's ability to transmit water in a horizontal direction). This area corresponds to layer 6 in the groundwater modeling done by the SBWA. No site specific data exists beneath 1483 feet, representing the total depth of test well TM. Regional data does exist which characterizes the areas from 1500 feet below land surface to the bottom of the lower Floridan Aquifer as consisting of zones of varying lithology, and varying permeabilities. This zone which corresponds to layer 7 in the groundwater modeling done by Osceola County is not homogeneous or uniform over its entire thickness according to available regional data, consisting of geologic reports of deep wells in the east-central Florida area. All parties agree that in the area of the proposed wellfield, horizontal movement of water in the Floridan aquifer is from west, where the greatest recharge occurs along the Lake Wales Ridge, to east, where there is little or no recharge. Water quality in the upper Floridan as measured by chloride concentrations deteriorates as one moves from west to east. The Floridan aquifer beneath the BCWMA represents a transition zone between the recharge area to the west and high saline formation waters in the east. The dominant geochemical components in water beneath the BCWMA are biocarbonates. Water quality, as measured by chloride concentrations, also deteriorates with depth. Chloride concentrations, based on data derived from the drilling of well TM at the BCWMA, increase gradually from 306 milligrams per liter (mgl) at 410 feet, to 658 mgl at 1473 feet below land surface. Chloride concentrations increase abruptly to 1980 mgl in well TM at 1483 feet of depth. Evidence is inconclusive as to whether all of the proposed production wells will draw water exceeding 250 mgl in chloride concentrations. It is undisputed that most will, but chloride contours initially provided by SBWA's consultant indicate that the southernmost wells may produce water between 150 and 250 mgl. A comprehensive aquifer performance test (APT) was conducted at the BCWMA by the SBWA's consultant, Post, Buckley Schuh, and Jernigan, Inc. (PBSJ). The test was designed by the staff of the SJRWMD in consultation with the U.S. Geological Survey (USGS). This test yielded data which enabled PBSJ to calculate several aquifer characteristics for use in the groundwater modeling which was later done by SBWA's modeling consultant, Environmental Science and Engineering, Inc. (ESE). Eight wells were utilized in connection with the APT conducted at the BCWMA in January and February 1990. Three of the wells were dual zone monitoring wells capable of monitoring events in two different geologic units simultaneously. Three wells, including the test production well (TP) were open to the interval between 700 and 900 feet below land surface which was identified by the SBWA as the production zone. Typically APT's are run for 12 to 72 hours in Florida. Well TP was pumped for approximately 10 days at a rate equivalent to that expected during actual production while observations were made of water levels in all wells, including three off-site wells (the Holopaw test well, the Kempfer well and the Bruner well). All of the information the SBWA needed from the APT was obtained in the first hours of the test. Water levels in the area monitored during the APT ceased dropping due to pumpage within 1 hour after the pumping started. Three different analytical models were used to calculate a transmissivity value for the production zone, utilizing data derived during the APT. The result showed transmissivity in this zone to be approximately 2 million gallons per foot per day. This is a very high transmissivity value indicating a comparatively prolific aquifer, capable of producing the volumes of water requested in the application. As transmissivity increases, the cone of depression associated with pumpage tends to flatten out and be less steep. The cone of depression extends further out, creating a wider area of drawdown. Hydraulic conductivity is the measure of an aquifer's resistance to flow either in a vertical (KV) or horizontal (KH) direction. Two methods were used to calculate the hydraulic conductivity of the Hawthon Formation by PBSJ: laboratory analysis of a core sample taken from this unit, and a bail test (measuring an increase in water level over time) conducted on a well on site by the SJRWMD. Two different methods were used by PBSJ to calculate the hydraulic conductivity of layer 5: laboratory analysis of a core sample taken from that zone, and the Neuman-Witherspoon ratio analysis method. Porosity is the void space in porous media through which transport of particles, such as chlorides, can occur. Effective porosity has an impact on the ability of saline or dense water to move upward from depth toward a pumping well. The lower the effective porosity within an aquifer, the greater the potential for upconing of saline water within that aquifer. Effective porosity for layers 4 and 5 was calculated using two different methods, those being laboratory analysis of core samples taken from these zones, and analysis of acoustic logs generated during the APT. Each of these methods is accepted in the field of hydrogeology. Anticipated Impacts to Groundwater Levels and Flows as a Result of the Proposed Consumptive Use A numeric groundwater flow model is a computer code representing the groundwater flow process. Both SBWA and Osceola used numeric groundwater flow models developed by their consultants to predict and simulate the impacts associated with withdrawals proposed in the application. The SBWA used a finite difference model called INTERSAT for its simulations. INTERSAT is a widely used and accepted groundwater flow model. The model was run by ESE for the SBWA in the impact or drawdown mode. Drawdown or impact models simulate changes in water levels in response to a stress such as a pumping well. Drawdown models are an accepted and frequently used method to evaluate wellfield stress, particularly in association with a CUP application. ESE and PBSJ utilized several analytical models to first determine and later to verify the area to which the boundaries of their model would extend. The radius of influence of a well or wellfield is the distance from the center of pumpage extending out to where drawdowns caused by that pumpage reach zero. The boundary for a numeric groundwater model should be set at, or beyond, the radius of influence of the pumpage being simulated by the model. Based on the analytical models run by ESE and PBSJ the radius of influence of the wellfield proposed in the application is 43,000 to 45,000 feet. The approximate distances of the boundaries set in INTERSAT model from well TP were 50,000 feet to the east, 40,000 feet to the west, 40,000 feet to the north and 50,000 feet to the south. The INTERSAT model covers a total area of 320 square miles. This size falls somewhere between a regional model and a local model, and is adequate in size to address the impacts associated with the proposed withdrawals. The vertical boundary of SBWA's model extends to 1450 feet below land surface and, as stated above, is divided into 6 layers. The 1450 feet depth generally coincides with the limits of site specific data generated during the APT. The six layers in the SBWA flow model coincide with the six distinct geologic units identified by PBSJ in their APT report. The site specific data generated by the APT was utilized, along with other regional modeling studies, to arrive at a set of "conservative" aquifer parameters to be utilized in the INTERSAT model. "Conservative" parameters for purposes of this application are those which would tend to overpredict drawdown in the surficial aquifer and the production zone, while allowing for more upconing of dense water from the bottom of the model. The selection of "conservative" aquifer parameters by SBWA involved taking site specific values, comparing them with the ranges of values reported in the other available regional models and selecting values which, while still within the range of reported values used in other studies, would tend to show greater impacts for the areas of primary concern than the site specific values. Every aquifer parameter utilized in SBWA's groundwater flow model falls within the range of values reported in at least one of the groundwater modeling studies previously done in this region. The size of the grids utilized in the SBWA model were 500 feet by 500 feet within the vicinity of the wellfield. Grid sizes expand as one moves toward the outer boundaries of the model. The fineness of the grids used by ESE, particularly in the wellfield area, allows for accurate representation and resolution of surface water features, impacts in the production zone and for evaluating the effects of saltwater upcoming in the transport model also done by ESE. Within the radius of influence of the proposed wellfield, there are no existing wells in layers 5 or 6. The ESE model simulations for 18.8 mgd pumpage predict a maximum drawdown in the surficial aquifer (layer 1) of 0.14 feet centered primarily within the BCWMA. At a distance of 1 mile from the wellfield the impact drops to 0.12 feet. None of the existing legal users of water in layer 1 within the radius of influence of the proposed wellfield will suffer a ten percent or greater reduction in withdrawal capacity from their wells solely as a result of the proposed withdrawals, since 10 percent reduction would require at least 3 feet of drawdown. The ESE model simulations predict a maximum drawdown caused by the proposed pumpage of 4.5 feet in layer 3 centered along the alignment of wells and primarily within the BCWMA. At a distance of 2 miles, the drawdown drops to 2 feet. At the Brevard-Osceola County line the drawdown in layer 3 is approximately .5 feet. Petitioner Deseret's flowing wells are drilled in layer 3 and are located within the area where a drawdown of 1 foot is predicted in layer 3 by the ESE model. Deseret uses its property for a cow/calf ranching operation and has approximately 32,000 head of cows. Deseret uses 39 flowing wells east of state road 192 to irrigate pasture, water cattle and supply drinking water. Deseret possesses a valid CUP for a portion of the total flow capacity from those wells. Seasonally, the wells flow at different rates, but they are most relied upon in dry conditions when the natural flow would be decreased. It is unlikely that the proposed SBWA withdrawals will stop the flow of any of Deseret's wells; and it is unlikely that the flow will be reduced by more than 10 percent. Deseret and Osceola's consultants do predict a greater drawdown and opine that approximately 12 of Deseret's wells will cease flowing as a result of the SBWA withdraw As addressed below, the modelling by Petitioner's consultants, upon which those predictions are based, is less reliable than that of SBWA's consultants. If the effects are greater than predicted, mitigation in the form of installation of pumps is possible, albeit inconvenient and expensive. Mitigation would have to be provided by the applicant, SBWA. The drawdowns predicted by the ESE model for layer 4 are not significantly different from those for layer 3. It is anticipated that no legal user of water within the radius of influence of the proposed wellfield will suffer a 10 percent or greater reduction in withdrawal capacity for its wells, as a result of SBWA's proposed withdrawals. Petitioners' consultants, Hartman and Associates, (Hartman) modeled a significantly larger (4900 square miles) and deeper (3000 feet) area than did SBWA. The model makes its predictions based on one data point for every 49 square miles within the modeled area. Petitioners utilized much larger model grids in the wellfield area (2000 feet by 2000 feet) than did the SBWA. Grid of this size lacks the resolution necessary to evaluate wellfield impacts. Petitioners selected their aquifer parameters from another regional modeling study done in 1985 rather than using site specific data. Those parameters were then adjusted or calibrated until a match was obtained to a computer created potentiometric surface which was supposed to reflect the potentiometric surface for May 1990, an uncharacteristically dry period. The created potentiometric surface to which Hartman calibrated its model varies greatly from the potentiometric surface as reflected in the actual data points from which USGS derives its potentiometric surface maps. While no model is perfect, and actual data is preferable, in the absence of all the actual data that is needed, the ESE model is a more credible predictor of drawdowns. Anticipated Impacts to Groundwater Quality as a Result of the Proposed Consumptive Use Solute transport models are computer models designed to simulate the movement of mass, in this case -- chlorides -- through a groundwater flow system. These models are linked to, and are dependent on flow fields generated by groundwater flow models. In order to predict changes in water quality anticipated to occur as a result of its proposed withdrawals, SBWA's consultants used a solute transport model called HST3D. Developed by the USGS, this model is widely used and accepted. For simulations using the HST3D model, SBWA used the flow field and a portion of the grid generated by its INTERSAT groundwater flow model. The HST3D simulations run by ESE utilized a cross section of the INTERSAT model grid extending through row 26 of that grid, which is the row containing the line of 9 proposed wells running on an east-west axis. Use of a cross sectional grid is an appropriate method by which to examine salt water intrusion. Upconing, to the extent that it will occur as a result of the proposed pumpage, would be greatest within the cross section containing the 9 wells. The cross section extends two miles through the wellfield to the west. As chloride concentrations in water increase, the density of the water increases. Density can retard the degree of upconing when chloride concentrations are as low as 1000-2000 parts per million and becomes significant at 3000-5000 parts per million. Failure of a model to consider density effects, when appropriate, would tend to overstate upconing. HST3D does consider density effects. SBWA's consultant ran several simulations with the HST3D model to predict changes that would occur as a result of the proposed pumpage in chloride concentrations over 7, 14 and 30 year time periods. These simulations utilized the same aquifer parameters as the INTERSAT model together with the effective porosity values derived from site specific data. Assuming a starting chloride concentration of 1000 mgl at the bottom of layer 5, the measured concentration at that level in well TM on the BCWMA site, after 30 years of pumpage at 18.8 mgd, the chloride concentrations in layer 4 would increase by only 100 mgl. The simulations for 7 years of pumpage which is the duration of the proposed permit, show that the predicted increase in chloride levels would be substantially less than 100 mgl. Other HST3D simulations were run by SBWA for a pumpage rate of 35 mgd utilizing beginning chloride concentrations of 5,000 mgl and 10,000 mgl, respectively at the bottom of layers. The results did not show any significant changes in chloride concentrations in layer 4 over and above those shown when a lower starting chloride concentration was assumed. In a circumstance where, as here, the chloride concentrations in the zone from which water is proposed to be withdrawn exceeds secondary drinking water standards (250 mgl), the SJRWMD evaluates the existing legal water uses within the area that would be impacted by the proposed use. If it is determined that the increase in chloride concentrations caused by a proposed use would detrimentally affect other existing legal users or the applicant, only then is the increase deemed to be "significant". Within the layers of the aquifer which would experience increases in chloride concentrations as a result of the proposed withdrawal, layers 4, 5 and 6, no existing users of water would be detrimentally affected. Petitioner Deseret's closest wells to the proposed wellfield are in layer 3 where chloride levels will not be affected by the proposed wellfield within the 7 year duration of the proposed permit or even beyond that period. Further, the use Deseret makes of the water from the wells in closest proximity to the proposed wellfield, pasture irrigation, can tolerate significantly higher chloride concentrations than will exist even directly beneath the wellfield in level 4 after 30 years of pumping. Use of water for public supply purposes is considered by SJRWMD to be in the public interest. Utilization of the water beneath BCWMA for public supply purposes, even with some increase in chloride concentrations in the source of the water over the life of the permit, does not on balance detrimentally affect the public interest. Two different solute transport models were done by Petitioners' consultants, one a numeric model and the other an analytical model. The numeric model done by Hartman, RANDOMWALK, does not predict changes in chloride concentrations within an aquifer, but rather tracks movement of particles. RANDOMWALK does not account for density effects. The analytical model done by Prickett for the Petitioners relies on assumptions, many of which are not met in the aquifer system at BCWMA. Those assumptions relate to uniformity of the system, for example: porosity and permeabilities, and lack of regional gradients. The solute transport models utilized by the Petitioners are less reliable for predicting water quality changes resulting from the proposed pumpage than the model utilized by the SBWA. Salt water intrusion is a dramatic increase of chloride levels in an aquifer layer. The saline water encroachment which occurs from the wellfield stress will be in the lower confining unit. There will be limited degradation in the lower part of the production zone. The wellfield will not induce significant lateral intrusion from the east. There will not be any dramatic changes in chlorides. The movement of the chlorides is confined to the locality of the wellfield. Most of the movement is vertical and is of limited increase. The proposed Bull Creek withdrawals will not aggravate any currently existing salt water intrusion problems. The reject brine water from the RO treatment plant will be disposed of in deep injection wells in Brevard County. These injection wells would deposit the brine into a receiving body of water in the Oldsmar geologic formation. The brine reject will have a total dissolved solids (TDS) concentration of approximately 7,000 mgl. The receiving water into which the brine will be injected approximates sea water, with TDS concentrations in the range of 36,000 mgl. The receiving body will obviously not be further degraded. Environmental Impacts of the Proposed Consumptive Use District staff, SBWA consultants and Osceola's consultants independently conducted onsite field investigations of the BCWMA to evaluate the vegetative communities and land uses which exist on site. Each consultant prepared a habitat map identifying the various vegetative communities found at the site. While relatively pristine, the BCWMA has been logged and grazed by cattle in the past. The impacts of man's activities have been remediated by ceasing the activity. There are few permanent incursions, such as roads, canals and buildings. The area is a very diverse landscape, with a mosaic of different types of plant communities. There are various upland and wetland habitats. The variety of wetlands are forested and non-forested, deep and shallow, open and closed. These wetlands perform important functions, including water storage and purification, aquifer recharge, flood control, and provision of food sources and habitat for wildlife, and they are "factories" for producing the materials needed by many higher organisms. The wetlands on site are structurally complex and are good habitat for macro- invertebrates and the fish and higher organisms that feed on them. A number of these wetlands are shallow, isolated wetlands. During periods of inundation, when the wetlands fill up with water and interconnect with the Bull Creek drainage system, the system exports various organisms to the wetlands. Fish that are live bearers move into isolated wetlands during periods of inundation, and they and their offspring become a source of food for birds. Fish species that lay eggs can withstand desiccation (total drying out) can survive the temporary drying of wetlands, but live bearers must repopulate during periods of inundation. The mixed wetland hardwoods on site contain a diversity of bugs, crawfish, mayflies, damsel flies, midges, and snails. Some of these are important food sources for higher organisms. The apple snail, for example, is an important food source for such birds as the limpkin and the endangered snail kite, and its eggs are food for crawfish and other organisms. The biological communities that exist in the wetlands and uplands at the site are determined by a number of factors, including the depth and duration of the hydroperiod, soils, climate, temperature, and availability of sunlight. These communities and their habitats will react to changes in light, water, temperature, and many other subtle effects, causing changes in plant diversity and structure, the areal extent of certain types of habitats and wetlands, and utilization by wildlife. Natural fluctuations in the hydroperiod also cause these changes, generally from the exterior edges of a wetland to the interior. The wetlands in the BCWMA have been able to withstand the natural drought and flood periods, or they wouldn't be there today. Periodic burning is essential to the health of ecosystems such as in the Bull Creek area. Fires reduce the prevalence of species less tolerant to fire, allow other species to strengthen their presence, return organic material to the soil, and reduce the fuel available for wild fires. Originally occurring naturally as a result of lightening strikes, prescribed burns are now undertaken by agencies such as the Division of Forestry and the Game and Fresh Water Fish Commission to replicate the beneficial functions of natural periodic burning. Fire management is used as a land management technique at BCWMA and continued fire management at the BCWMA will maintain a natural ecological setting typical of Florida. Slight variations in elevation which mark the difference between wetlands and uplands can result in utilization of the areas by different animal communities. Where different types of plant communities meet, an "ecotone" is created. Where an ecotone exists, the "edge effect" of the competition between the two communities occurs. The result of the edge effect is higher plant and animal species diversity, which is extremely important to the natural community. Some animals make specific use of the ecotone for habitat and food resources. Many amphibians, frogs in particular, live in the ecotone. Some birds will not roost in the upland forests but will roost in the edge of the forest adjacent to wetlands. Wetlands in the BCWMA are connected to the remainder of the Bull Creek system through groundwater resources. Their biological and ecological communities are also connected as the same organisms move throughout the system. Isolated wetlands also exhibit a "moving edge" effect, where changes in the surface water and water table levels cause different plants, or plants at different levels of maturity, to exist in the wetland and its perimeter. This increases the productivity of the wetland by making it attractive to a wider variety of plant and animal species. If the expansion and contraction of isolated wetlands is reduced by lowered water levels, the smaller wetlands would exhibit a reduced edge effect, and the cumulative effect of this reduction over time would disrupt the functioning of the wetland-upland system. Isolated wetland systems are more sensitive to drawdowns in the surficial aquifer than connected wetland systems because the drainage area contributing water to the wetland system is smaller. Isolated herbaceous wetland communities are the most sensitive of the vegetative communities on BCWMA to drawdowns in the surficial aquifer. The surficial aquifer fluctuates naturally as much as five feet annually. Rainfall is the primary source of water for the surficial aquifer. Water levels in the surficial aquifer respond very quickly to rainfall events. Hydroperiods of the wetland systems in the BCWMA respond to rainfall and surficial aquifer levels. The wetland hydroperiods vary from year to year, and wetland ecosystems have adopted to those annual changes. But a groundwater withdrawal from the surficial aquifer in the Bull Creek area would cause a corresponding lowering of the surface water level, since the wetlands are not "perched", or separated from the aquifer by a confining layer. A drawdown would lower water levels throughout the hydroperiod, under both high water and low water conditions, with a more pronounced effect during the dry season and drought periods. Some of the over twenty threatened and endangered plant species present at Bull Creek grow in shallow, marginally wet areas. Changes in even a few inches of groundwater would cause these plant species to be retarded in growth, and their abundance would decrease or they would die out at the site. Many of the wetlands are shallow, broad, sloping areas, and groundwater elevation changes of just a few inches will cause changes in the areal extent of these wetlands. Even the .14 foot drawdown predicted by SBWA's modeling would affect shallow inundated or saturated systems by changing the moisture level at the surface, particularly by affecting the lowest water levels. Changes in the vegetative composition of wetlands will affect the macro-invertebrate characteristics of a site. For example, as water levels change, the density of the vegetation (in terms of number of plant stems per acre) can decrease, leaving fewer places for the macro-invertebrates to hide, and the populations of macro-invertebrates will decrease through predation. As food sources, habitat and breeding grounds decrease, those animal species that can relocate will attempt to do so. Relocation can adversely affect the survival of the species; for example, a wood stork unable to find a particular food upon which it is dependent at a particular interval in its life cycle may abandon its nest and its young. Animals that attempt to relocate may find that there is not a suitable similar habitat available, making their attempt to adjust to the change in their environment unsuccessful. The proposed use will not significantly affect the stages or vegetation of the upland communities at the BCWMA because they are not as dependent on saturation or inundation as a wetland community. Forested wetland systems, be they isolated or connected, will not be influenced by a drawdown of the magnitude predicted by SBWA for the surficial aquifer. Forested systems have deep root zones and the canopy provides shading to the strata below. Forested systems are able to tolerate natural changes in hydrology. The SBWA assessment does not offer any detailed cataloguing of the plant and animal communities on site, or a description of how the systems operate or interface with each other. It does not provide sufficient information to be able to assess the impacts of the proposed wellfield on these systems. There was insufficient information presented by the applicant to conclude that the environmental harm to be caused by operation of a wellfield at the BCWMA has been reduced to an acceptable level. The applicant relied on the fact that drawdowns in the surficial aquifer will be minimal, without fully considering the impact of those minimal drawdowns on a fragile wetland ecosystem during a dry period. Water Demand The SBWA was created by special act in 1983 as a dependent special district for the purpose of developing regional water supplies and transmission of water to water distribution systems. In its existence so far, its labors have been in the former, and none in the latter category. Efforts to develop a regional water supply have been frustrated by litigation, by reluctance of local public systems to give up their authority and by delays in pursuing and processing CUP applications, two of which are still pending, in addition to the instant application. The City of Melbourne's public water system provides water to Melbourne, Palm Bay and West Melbourne, and to some unincorporated areas surrounding Melbourne. It also supplies water to the area called south beaches, comprised of the Brevard County area south of Patrick Air Force Base, including Satellite Beach, Melbourne Beach, Indiatlantic and Indian Harbor Beach. The current water supply is Lake Washington, which is part of the chain of lakes on the St. Johns River. The city of Melbourne was granted a CUP on January 15, 1991, for withdrawals from Lake Washington, ranging from 27.15 million gallons maximum daily withdrawals in 1991 to 21.7 million gallons maximum daily withdrawals in 1998. In addition, Melbourne has planned a new facility and has the CUP to withdraw 8.13 million gallons a day from the Floridan Aquifer commencing in 1993. After reverse osmosis treatment, the groundwater withdrawal will yield 6.5 million gallons a day finished water, making up the difference from reduced withdrawals from Lake Washington. Approximately 56 potable water systems have been identified by SBWA in South Brevard, south of the Pineda Causeway. Almost all are small private systems. Besides Melbourne, the other major water supplier in the area is General Development Utilities (GDU), serving the City of Palm Bay. GDU's CUP expires in 1993 with an average daily withdrawal of 6.5 mgd and maximum daily withdrawal of 8.5 mgd. It has ample capacity until 1996, and beyond to the year 2000, if an additional Department of Environmental Regulation capacity rating is obtained. The total capacity of the two major existing facilities is approximately 30 mgd and total existing consumptive use quantities (including existing CUPs with expiration dates varying from 1993 to 1998) approach 40 mgd. The current SBWA water master plan assumes that existing sources need replacing. More specifically, SBWA, if this CUP is granted, seeks to replace Lake Washington as the primary source of water in the area with the groundwater obtained from the BCWMA wellfield. An agreement between the City of Melbourne and SBWA provides that the City will initially purchase 8 mgd, plus all future needs of water from the SBWA. This 8 mgd would be used by Melbourne prior to using its 6.5 mgd finished water from the RO facility, and the RO water would be used prior to withdrawals from Lake Washington. The agreement, dated January 9, 1991, acknowledges the need for, and specifically authorizes improvements to Melbourne's Lake Washington Water Treatment Plant, including the conversion of the existing high service pumping station to a low service pumping station with average daily capacity of 20 mgd and maximum capacity of 25 mgd. (SBWA Ex. 49) GDU is a private utility and currently is outside the jurisdiction of the SBWA. General Development Corporation is in receivership and the City of Palm Bay is negotiating for purchase of the utility. If the purchase is successful, the supply will become publicly owned and subject to the jurisdiction of the SBWA. The City of Palm Bay is not bound to purchase GDU at any price, and the requirement that it would shut down its newly purchased facility to receive water from SBWA is a disincentive to the acquisition. In the meantime, GDU has no incentive to reduce CUP capacity and devalue its facility. GDU's service has been uninterrupted and reliable. Contamination to the surface aquifer utilized by GDU has been successfully treated. Although septic tanks proliferate in Palm Bay, their location, as well as the presence of confining layers in the surficial aquifer, reduce the susceptibility of GDU wells to contamination from septic tanks. The applicant's concerns about unreliability and safety of Lake Washington as a continued water source are unsubstantiated by the weight of evidence in this proceeding. Surface water facilities have been used in Florida since before the turn of the century and no major facility has ever been off-line one day due to raw water contamination. Nor has any major Florida surface water plant ever been sabotaged. There is a greater chance in Florida of problems with pipeline failures, and the miles of pipes planned to transmit ground water from Bull Creek east to SBWA consumers increase the chances of those problems. Recently, the SJRWMD Upper Basin Project has significantly improved the water quality and quantity in Lake Washington through restoration of marshlands in the upper basin and capping flowing wells. Restored marsh areas will allow for additional removal of nutrients and provide an additional storage to the Lake Washington/Upper Basin system, significantly improving safe yield quantities. Comparisons of concentrations of raw water chlorides and total dissolved solids for the drought years of 1989 and 1990, show significant reductions for the latter time frame. Recent evaluations indicate that Lake Washington would be acceptable in terms of chlorides and TDS concentrations for a 35 mgd withdrawal, even during 50 and 100 year droughts. Water quality improvements to Lake Washington can be directly related to the Upper Basin project. Trihalomethanes are regulated by the Safe Drinking Water Act. They are produced by the disinfection process of treating raw water with chlorines, and they are carcinogenic. A previously experienced problem at the Melbourne plant has been corrected with operational changes. As recently as 1988, an internal staff report by SJRWMD staff provided: Lake Washington has been a reliable source of public water supply since 1960 and can remain so in the future with the continuation of sound basin planning and watershed management by the St. John's river Water Management District. The quality of the raw water from Lake Washington is subject to annual and seasonal variations that make the treatment process more difficult, and the quality of the delivered water less consistent, than would be the case with a groundwater supply. A supplemental water source near Lake Washington would improve the quality of the water delivered to the users, would increase the total volume that could be taken from the lake in times of stress, and would provide a reliable alternative in case of emergency. The upper zone of the Floridan Aquifer within south Brevard County has the potential to supply a significant portion of the area's future water needs with existing low-pressure, reverse osmosis technology at a cost that is comparable to current supplies.
Recommendation Based on the foregoing, it is hereby, recommended that the SBWA application for CUP be denied. RECOMMENDED this 12th day of March, 1992, in Tallahassee, Leon County, Florida. MARY CLARK Hearing Officer Division of Administrative Hearings The DeSoto Building 1230 Apalachee Parkway Tallahassee, Florida 32399-1550 (904)488-9675 Filed with the Clerk of the Division of Administrative Hearings this 12th day of March, 1992. APPENDIX TO RECOMMENDED ORDER, CASE NOS. 91-1779, 91-1780, & 91-1781 The following constitute disposition of the findings of fact proposed by each party. Petitioner, Osceola County These findings have been adopted in full or in substantial part in the recommended order submitted herewith: 1-5, 7-8, 14, 21-22, 24-25, 27-28, 30, 32, 35, 62-65, 73, 104, 113, 116-125, 127, 129-130, 132-138, 140, 154, 157-158, 164, 167-168, 183, 186, 189, 191-195, 197-200, 202-204, 209, 212. These findings are rejected as contrary to or unsupported by the weight of evidence: 37-38, 48, 51, 53, 56, 66, 79-81, 84-90, 92-94, 102-103, 105-107, 110-112, 115, 128, 171-172, 212(d), (f) and (g), 213-214. These findings are rejected as cumulative, unnecessary or irrelevant: 6, 9- 13, 15-20, 23, 26, 29, 31, 33-34, 36, 39-47, 49-50, 52, 54-55, 57-61, 67-72, 74- 78, 82-83, 91, 95-101, 108-109, 114, 126, 131, 139, 141-153, 155-156, 159-163, 165-166, 169-170, 173-182, 184-185, 190, 196, 201, 205-208, 210-211, 212(e), 215. Petitioners, Triple E, Triple N, East Central Florida Services, Inc., and Deseret These findings have been adopted in full or in substantial part in the recommended order submitted herewith: 1-6, 8-9, 16-20, 22-25, 27-28, 30-31, 50- 56, 59-60. These findings are rejected as contrary to or unsupported by the weight of evidence: 7, 12, 32, 34-37, 40, 42, 44, 48, 49, 58. These findings are rejected as cumulative, unnecessary or irrelevant: 10- 11, 13-15, 21, 26, 29, 33, 38-39, 41, 43, 45-47, 57, 61-63. Respondent, South Brevard Water Authority These findings have been adopted in full or in substantial part in the recommended order submitted herewith: 1-6, 9-11, 13, 16-24, 28, 30-34, 36, 38, 46-48, 61, 64, 70, 72-74, 90-91, 94-98, 105-108, 110-111, 113, 115-116, 121, 126-129, 133, 149, 152, 157, 169, 179, 181-190, 192-194. These findings are rejected as contrary to or unsupported by the weight of evidence: 41, 130-132, 156, 158, 167, 174, 177. These findings are rejected as cumulative, unnecessary or irrelevant: 7-8, 12, 14-15, 25-27, 29, 35, 37, 39-40, 42-45, 49-60, 62-63, 65-69, 71, 75-89, 92- 93, 100-104, 109, 112, 114, 117-120, 122-125, 134-148, 150-151, 153-155, 159- 166, 168, 170-173, 175-176, 178, 180, 191. Respondent, St. Johns River Water Management District These findings have been adopted in full or in substantial part in the recommended order submitted herewith: 1-8, 10-22, 24-36, 38-44, 47-62, 64-88, 90, 92-116, 118-122, 124-130, 132-142, 144-151, 159-160, 164, 166-167, 169, 171, 174-175, 177, 193-196, 198, 202, 206. These findings are rejected as contrary to or unsupported by the weight of evidence: 131 (the conclusion), 153-154, 156-157, 161-162, 197, 204, 207. These findings are rejected as cumulative, unnecessary or irrelevant: 9, 23, 37, 45-46, 63, 89, 91, 117, 123, 143, 150, 152, 155, 158, 163, 165, 168, 170, 172-173, 176, 178-192, 199-201, 203, 208-210. COPIES FURNISHED: Segundo J. Fernandez, Esquire Scott Shirley, Esquire OERTEL, HOFFMAN, FERNANDEZ & COLE, P.A. Post Office Box 6507 Tallahassee, FL 32314-6507 Douglas P. Manson, Esquire BLAIN & CONE, P.A. 202 Madison Street Tampa, FL 33602 Clifton A. McClelland, Esquire POTTER, McCLELLAND, MARKS & HEALY, P.A. Post Office Box 2523 Melbourne, FL 32902-2523 Wayne Flowers, Esquire Nancy B. Barnard, Esquire St. Johns River Water Management District Post Office Box 1429 Palatka, FL 32178-1429 Neal D. Bowen, County Attorney Osceola County Room 117 17 South Vernon Avenue Kissimmee, FL 32741 Carol Browner, Secretary Dept. of Environmental Regulation Twin Towers Office Building 2600 Blair Stone Road Tallahassee, FL 32399-2400 Daniel H. Thompson, General Counsel Dept. of Environmental Regulation Twin Towers Office Building 2600 Blair Stone Road Tallahassee, FL 32399-2400
Findings Of Fact By various purchases during the period 1967-1969, Petitioner acquired over 14,000 acres of land in the eastern sector of central Florida. About 12,000 acres of the land lie in Volusia County and the remainder in the northern part of Brevard County. Petitioner registered various public offering statements for resale of this land with the Florida Land Sales Board. In 1967, pursuant to an act of the State Legislature, the Circuit Court of the Seventh Judicial Circuit of Florida entered judgment creating and incorporating the South County Drainage District which included Petitioner's land in Volusia County. Later attempts by judicial action to extend the Drainage District boundary lines to include Petitioner's land in Brevard County were unsuccessful. A 1967 agreement between Petitioner and the Drainage District provided that a drainage plan would be implemented by the District with funds for construction being advanced by Petitioner. This plan consisted of dead-end graded roads and a system of ditches and canals that were to be constructed and maintained by the Drainage District, with purchasers of the property to be assessed for the cost of the facilities. In 1972, Volusia County adopted a home rule charter which abolished the South County Drainage District and transferred its powers and functions to the county. In 1973, an agreement was entered into between Petitioner and Volusia County providing for the transfer to the county of the functions, responsibilities, and obligations of the Drainage District, and assigning to Petitioner the right to petition the State for approval of the drainage plan. Under the agreement, a Special Improvement District was created by the County (testimony of Trella, Maise1, Exhibits 1, 2, 25, 26, 27). The land acquired by Petitioner had been designated as Cape Atlantic Estates and was divided into tracts or lots in a grid system which was a series of rectangular squares with intersecting roads. Initially, the tracts were two and 1/2 acres each and eventually they were halved and sold in one and 1/4 acre plots. A typical offering statement provided that the "predeveloped tracts" were subject to road and drainage rights-of- way, and that purchasers, after paying their contracts in full, would receive free and clear title to the property. It was further stated that physical access would be obtained over rough graded dirt roads to be completed by December 31, 1973, and that when drainage facilities were completed the land would be dry. It was specifically pointed out that it was not a "homesite" offering nor was it part of a recorded plat, but offered as part of a section, township and range. However, the statement also noted that facilities such as elementary schools, churches, and fire, and police protection were available in neighboring communities. It also indicated that there was no water supply, sewage, public utilities, or public transportation to the property. Sales commenced in 1967 and, by the middle of 1971, approximately 98 percent of the tracts had been sold, primarily to out-of-state purchasers. The bulk of the sales were made by telephone contacts initiated by Petitioner's salesmen. Some 5,000 purchasers bought tracts in the development on contracts which were of eleven to twelve years in duration. The property in question is described as coastal low lands that consist of essentially level terraces. The surface drainage of the land is poorly-developed and inefficient. The terraces begin at the Atlantic Ocean on the east and progress westward to a maximum altitude of about 29 feet in the project area. The Atlantic coastal ridge functions as a divide between the St. Johns river and the coastal drainage basin called Turnbull Hammock. West of the ridge, surface drainage generally is toward the St. Johns river, and east of the ridge drainage is into Turnbull, Hammock which leads to Turnbull Creek and thence to the Indian River. The region has large swamp and marshland areas and sandy surface soils which are intermittently underlain by hardpan at shallow depths which impedes rainfall infiltration. Much of the area is covered with ponds during the wet season creating swampy conditions. The climate supports heavy growth of native pine and scrub oak trees in the sandy soils. Cypress trees prevail in the wet bottomlands. Turnbull Hammock occupies the eastern quarter of the tract and is flat and heavily-wooded. It serves as a catchment for surface runoff from the lands immediately to the west and also for lands outside and north of the project. The Turnbull Hammock natural drainage basin involves about 48 square miles. Highway 1- 95 - traverses the center of the area in a north-south direction. The land is in a primitive state and is mostly unused with the exception of minor cattle grazing areas. Subsurface water leaving the Cape Atlantic Estates to the east surfaces in the Turnbull Hammock and drains to the south into the Indian River. On the west side, the tendency of the water is to move west and surface in cypress sloughs, eventually reaching Buck Lake, an area to the southwest. During flood conditions, when surface waters are high, the western subsurface water could make its way in time to the St. Johns River. The original drainage plan was aimed at decreasing the retention of surface water and using controlled measures to improve runoff in order to prevent flooding and soil erosion. Some nine percent of the property has standing water or ponding and, although in many of the sand ridges, this is not a serious problem because the rainfall quickly dissipates into the soil, in those areas were the soil is heavily interspersed with hardpan, there is slow percolation. Some 26 percent of the land area floods during rain showers. The plan was to remove the standing surface water by a network of canals, ditches and swales and, to achieve these goals, regulating devices were to be installed at two major discharge points of the system. The plan incorporated a main canal located just west of 1-95 which would drain the western Volusia County portion of the project area through an existing 9' X 12' double box culvert under 1-95 into a north outfall canal and ultimately into Turnbull Hammock. The remaining portion of the western section, some 2300 acres in Brevard County, was planned to be drained to the south whereby water would exit the property through a 142 acre storage reservoir that was considered to have sufficient capacity to retain the water during a 50 year flood condition and yet not exceed the existing natural discharge rate. Since Turnbull Hammock is considerably lower than the western side of the property, a self regulating control gate was considered necessary to maintain the water level of the canal in Volusia County at a level of 21 feet mean sea level. In the Brevard County portion, the main canal water level was designed to be kept at an elevation of 20 feet mean sea level by a fixed control structure at the reservoir discharge. It was planned that water would be collected from the area by lateral swales and ditches which would flow into the main canal (testimony of Trelia, Garcia; Exhibits 2,3,4 & 15). The main canal for the project was constructed in 1970. This canal generally parallels the west side of 1-95 in the project area and is approximately 14 1/2 miles in length, some 90 to 100 feet wide and five to six feet in depth. It had been estimated that all the improvements for the project would be completed by December 31, 1973. In early 1971, the Drainage District was in the design stages for the next phase when it learned that Volusia County had adopted the home rule charter that abolished, the South County Drainage District. At this point, work on the project stopped and nothing further was done toward completion of the improvements to the land. In the middle of 1972, after negotiations with Volusia County, Petitioner became aware that various state agencies, same of which had come into being since the original purchase of the land, might have some responsibility in connection with the project. The Department of Pollution control, Department of Natural Resources, the Game and Fresh Water Fish Commission, and the Trustees of the Internal Improvement Trust Fund were contacted to see if they had any requirements as to the proposed improvements. The Department of Pollution control was the only agency which expressed an interest or concern in the matter. Petitioner also ceased sales in the middle of ;1972 after discussions with the Florida Land Sales Division, because of the uncertainty of the situation at that time. During the remainder of 1972, Petitioner's representatives had various discussions with officials of the Department of Pollution Control at Tallahassee, but was advised that nothing definitive could be accomplished on the drainage plan pending a resolution of the status of the South County Drainage District which was in litigation at the time. Around October, 1972, as a result of discussions with various county officials and the Department of Pollution Control, Petitioner decided that an environmental impact study would be, beneficial and therefore retained the services of Brevard Engineering Company of Cape Canaveral, Florida, to make such an environmental assessment of Cape Atlantic Estates. This report was completed in February, 1973, and transmitted to the Department of Pollution Control in April. Although there were numerous conversations with Tallahassee representatives of the Department of Pollution Control during the remainder of the year, it was not until early 1974 that petitioner was advised it should start discussing the matter with the Department's central regional office in Orlando. A meeting was held at Orlando between Petitioner's representatives and officials of the regional office in March, 1974 at which time the details of the project were reviewed. Mr. Woods, the regional engineer for the Orlando office at that time, indicated that he wished to study the matter further because he was not familiar with the environmental study which had been received from their Tallahassee office. There followed a field trip to the project area where Mr. Garcia, the project engineer,, and two members of the Orlando regional office of the Department, Mr. Hulbert and Mr. Medley, looked over the area. In April, 1974, there was another meeting with Mr. Woods at which time he indicated that the project would be approached by the Department as a potential pollution source at any points where the waters went outside the property boundaries. This was followed up by a letter from Mr. Woods received by Petitioner in June, 1974, which stated that in view of the primary interest of his office to protect and preserve water quality as to the project, it was recommended that strong consideration be given to modifying the drainage plan to allow for reduction in the following areas: Draining of swamps, marshes, and wet lands which is in general detrimental to water quality by the removal of natural filtration and assimilative systems from the service of treatment of stormwater runoff. Introduction of canals and artificial waterways degrade water quality by virtue of their stagnating effect and general magnification of adverse effects in (1) above by lowering the ground water table. Transporting of water across natural barriers and separate watersheds is generally detrimental to water quality by virtue of a net change of flow patterns and characteristics by reducing or increasing the normal waterbudget in the area. Mr. Woods also pointed out in his letter that, although it was recognized the gridiron pattern of the project made maximum utilization of the available land his office felt that a significant reduction in adverse effects as indicated could be achieved by utilizing the natural systems as much as possible, and that this would require maximum utilization of the existing wetlands, provisions for on-site retention if and where practical, and selective planting to provide for natural filtration and nutrient assimilation. He further indicated that it would be necessary to obtain a water quality certification from his Department, that Petitioner must show the facilities would be properly constructed and operated, and would be required to produce evidence that either the county or the drainage district was in a position to assume responsibility as the permittee (testimony of Trella, Garcia; Exhibit 10). After receipt of the letter from Mr. Woods, Petitioner engaged the firm of Frederic R. Harris, Inc., consulting engineers, of Ft. Lauderdale, Florida, to prepare a definite project report on drainage that would provide modifications of the drainage plan in order to comply with the objections posed in the Woods letter. This report as prepared by John W. Blue, professional engineer and, although dated September 1974, was available in final form in August at which time a meeting was held between Petitioner's representatives and the successor regional engineer in Orlando, Mr. Thomas Hunnicutt. The meeting was held on August 6, and in attendance were Mr. Gene Medley and Mr. James Hulbert of the regional staff. At this meeting, Mr. Hunnicutt was acquainted with the project and the letter from Mr. Woods, and given the "Harris" report for consideration. This report reflected Petitioner's attempts to satisfy the objections of the department by incorporating the following features in the plan: Specifications to prevent the conveyance of oils, chemicals, silt or other pollutants into the drainage waters during project construction. Planting grass on the erodible earth surfaces exposed during construction. Preservation of about 200 acres of natural hammock ponding sites. Designation of about 75 acres of natural overflow retention areas for filtration of roadside ditch runoff. Construction of about 70 acres of artificial overflow retention areas for filtration of lateral and runoff. Provision for about 209 acres of natural water spreading areas at canal and outfall terminals. Avoidance of direct connections between drainage canals and watercourses or estuaries. Utilization of about 127 acres of dug ponds and existing borrow pits for regulation of runoff peaks. Overexcavation of canals and laterals to make permanent ponds. Whereas the report of the Brevard Engineering Company had been based on a 50 year flood condition, the Harris Report was based primarily upon 10 and 25 year flood conditions. There was a misunderstanding as to Mr. Hunnicutt's comments to Petitioner at this meeting. Petitioner claims Hunnicutt had then stated that the project was in good order and that they should proceed to file their application for a permit. On the other hand, Hunnicutt testified that his remarks were predicated on the fact that since Petitioner had indicated it had made all of the modifications in the project that could he done (by virtue -of the grid system that could not be modified) , he therefore felt there was no point in further discussion. He also was of the opinion that there was sufficient information available at that time to permit consideration of an application by the Department. The Petitioner was provided blank copies of a form entitled Application To Construct/Operate Pollution Sources" (Exhibit 5), and, although Mr. Hunnicutt then acknowledged that this form did not apply too well to the endeavor under consideration he told Petitioner that they should go ahead and file the forms, at Tallahassee, attaching all supporting evidence. The application was filed in the joint names of Volusia County and Atlantic International Investment Corporation and signed by the president of the corporation. It was dated September 9, 1974, and submitted and delivered to the Respondent in Tallahassee on September 10, 1974, with a copy being given to the Orlando regional office. Other than receiving a letter dated October 25, 1974, from the Department of Natural Resources indicating that a water quality certification would not be required for the project, Petitioner heard nothing further from the Respondent until it received a letter from Mr. Hunnicutt denying the permit, dated November 6; 1974. This letter said that the regional staff had reviewed the application and based thereon, plus reviews and comments from Brevard and Volusia County Environmental Control, the permit was recommended to be denied because the applicant had not given the Department "reasonable assurance that the results of this project will be in accord with applicable laws, rules and regulations" and that the project "will have significant adverse effects on water quality as well as the aquatic resources in the area. It further stated that pursuant to Chapter 403.087, Florida Statutes, and Chapter 17- 4.07, Florida Administrative Code, the permit was denied and that Petitioner had a right to request a hearing as provided under Chapter 17-4.15, Florida Administrative Code. Petitioner filed its petition for review of the denial of the permit under the aforesaid Chapter 17-4.15, Florida Administrative Code on November 15, 1974 (Exhibits 4, 5, 6, 10, 11, 16; testimony of Mr. Garcia, Mr. Hunnicutt). In processing the application, Mr. Hunnicutt assigned it to Mr. Medley of his office for review. Medley proceeded to contact local agencies including the Volusia County and Brevard County Environmental Sections; Volusia County Public Works Department, St. Johns Water Management District, the Volusia County Environmental Task Force, and the Florida Audubon Society. He testified that all were opposed to the project for various reasons. Aside from the materials attached as exhibits to the application by Petitioner, which consisted of the Brevard Engineering Report, the Harris Report and plans and specifications and chemical test results taken by Department representatives from sample waters ,of the main canal the additional written materials before the Department prior to the, denial of the permit consisted of a letter from Mr. Kinloch, Pollution Control Coordinator of Brevard County, dated October 31, 1974; a letter from the Volusia County Environmental Task Force (a private group of about 25 professional persons who are concerned environmentalists) dated November 4, 1974; and a statement from Cherie Down a biologist with the Brevard County Health Department, dated September 6, 1973 (Exhibits 17,19 and 24). A letter from Gregory Camp, Environmental Control Officer of Volusia County, dated November 5, 1974, was not received in Respondent's Orlando Office until November 7, and therefore was rejected as an exhibit (Exhibit 18 for identification). In addition, Mr. Camp's conclusions were said by the Assistant County Attorney for Volusia County as not being authorized by the County Commission (testimony of Mr. Stuart). About a week before issuance of the denial letter, a meeting had been held at the Orlando Regional Office attended by its chief, Mr. Senkevich, Mr. Hunnicutt, Mr. Hulbert and Mr. Medley. The purpose of the meeting was to arrive at a decision concerning Petitioner's application. The procedure at the region was for the staff to decide the issue involved and then to assign an engineer in charge -- in this case, Mr. Hunnicutt -- to sign the decision letter to the applicant. No minutes of this meeting were made and the decision was a collective one by Mr. Hunnicutt, Mr. Hulbert, and Mr. Medley. They expressed their common opinion at the meeting that the permit application should be denied primarily because of considerations of water quality. Mr. Senkevich testified that he had the authority to overturn, the recommendation of the staff, but since his staff had unanimously concurred in the denial, he felt that their decision was correct. He is a civil engineer and primarily an administrator, but is not familiar with chemistry, biology, or hydrology. At the time, he erroneously believed that hydrological tests had been made by his staff as to the project and was of the incorrect, view that waters of one classification must flow into receiving waters of the same classification. He conceded at the hearing that he had only briefly studied the plan prior to the meeting and indicated that he had been concerned that the project area eventually would be developed with homes that would require septic tanks and cause a considerable problem with the degradation of water in the canals. He therefore was concerned that the canals would not maintain the requirements for Class III waters. He was unfamiliar with the aspect of danger to aquatic resources other than he felt that the main concern had been regarding trees in the area. He recognized that permits could be issued with specified conditions reasonably necessary for the prevention of pollution and that this could have been done, with respect to Petitioner's project. However, he felt that if this were done, it would usually be hard to enforce and so it was easier to insure that the project conformed to requirements at the time of construction rather than attaching conditions to the permit. He believed that if some of the project area which had not been sold could have been utilized for retention of some of the storm water runoff to provide for percolation or water storage, and if certain low areas could have been utilized for something other than lots, this possibly would have cured the objections of the staff. He did not feel that the changes which had been made by the Harris Report were sufficient to overcome the staff's objections to the project. He acknowledged that water tests in the main canal made by the Department since it had been built and prior to November, 1974, had shown an improvement in the canal water quality. He also acknowledged that none of the five criteria for control of storm water runoff set forth by the Department of Pollution Control in an April 1974 memorandum to regional offices (Exhibit 13) were violated by the proposed project (testimony of Hunnicutt, Senkevich). Mr. Medley, a biologist of the department and the project officer for review of Petitioner's application testified that he was mainly concerned because the project was designed in such a way as to eliminate wetland areas that treat and filter stormwater runoff prior to entry into the Hammock area and provide a place for wildlife to propagate. He felt that water and wildlife quality would diminish by reason of the accelerated flow of water caused by the canal system. This would take place by creating an unstable habitat in which there would be less of a variety of organisms by virtue of polluted waters entering the area. Such a condition would reduce the diversity and quality of species of organisms. He also felt that if water was diverted from one basin to another, it would have an adverse effect on biota because of the change in flow. He further believed that the failure of the applicant to address the question of future development of the project area was significant because once development occurs, canals get storm runoff from surrounding areas, become stagnant and high in nutrients. The state is then obliged to insure water quality and has been unable to do so in other projects of a like nature. He also was concerned because the reports attached to the application contained inaccuracies and it was difficult to determine what was reliable and what was unreliable information. His testimony showed that he, too, was under the erroneous impression that a member of the Department had assessed the hydrological aspects of the project when the Department was processing the application, and acknowledged that it would be difficult to determine if water would be degraded until the actual construction had been completed. However, he expressed his opinion that there is presently insufficient technology to create any canal system that would provide water quality to meet state regulations and it was his belief that wetlands should stay as they are in the interest of water quality. At the hearing, he was unable to describe the proposed canal systems for the project or the proposed vegetative filter area at the end of the canal (testimony of Medley) Mr. Hulbert, another Department bilogist, testified it was unrealistic to think that the project would not eventually be developed with hones. His concerns basically were similar to those of Medley concerning canal water quality in the future and as to inconsistencies in reports submitted by the applicant. He felt that the basic problem was the project grid design with canals following such design rather than natural drainage contours, but that modifications could have been made in the design to satisfy the Department's objections if additional buffer zones had been created along and adjacent to the proposed canals. However, he would not have recommended a permit under any circumstances because of the objections of Brevard County and Volusia County. It was his position that in such a situation the Department should deny the permit and then let the matter be determined by a Hearing Officer. He conceded that he had not examined data submitted by either county and that there was, in fact, no data submitted from Volusia County (testimony of Hulbert). Mr. Hunnicutt, the regional engineer, who is an environmental engineer, testified it was the concensus of all at the meeting that everything they had seen pointed to the fact that project drainage couldn't provide water quality sufficient to meet state requirements. His most objectionable aspect of the project was the drainage pattern and the fact that the canals had to be rather deep and did not follow natural contours, because deep canals below the water table would have standing water and no vegetation as would a more shallow drainage system. He felt that the areas of vegetative growth added by the Petitioner in the Harris Report were not large enough and would not be too effective in removing pollutants by the fast flow rate. He also was concerned about inconsistencies in the applicant's exhibits and saw no point in obtaining more test results on peripheral issues because the Petitioner was "locked in" to a deep canal concept. He, too, was under the mistaken notion that the project had been considered by a hydrologist of the department. Although he felt there were changes that could have been made which would warrant issuance of the permit, there was no point in telling the Petitioner about these because its representatives had said they couldn't make any more changes due to the existing grid system. He also agreed with Hulbert that if local agencies objected as they had in this case, the Department would deny the application but that when such objections were received, they were generally in accord with the existing view of the departmental staff. He testified that the question of the impact of the project on shellfish harvesting in the Indian River was not a serious consideration in his mind insofar as denial of the permit was concerned. He acknowledged that a permit could be issued with conditions, but the problem then became whether the applicant could maintain control effectively to enforce the conditions (testimony of Mr. Hunnicutt). A number of expert witnesses of various disciplines were called by the parties to, testify concerning the various ramifications of the proposed construction by the Petitioner. The following findings of fact are made with respect to specific material aspects of the case: The construction of homes on the tracts at Cape Atlantic Estates in any appreciable volume or any extensive use of the land in the next ten years is highly unlikely. This is due to time required for construction of the drainage facilities, and to the fact that most of the land contracts will not be paid out until the 1980's since owners of the tracts will not secure possession of their land until they have completed payment therefor. The land is not suitable for the installation of septic tanks because of the shallow soil and building permits will not be issued because of the dead-end roads in the project and the absence of paved roads ajoining the property (Exhibit 2, testimony of Trella, Maisel, Blue and Ford). It is impossible to state precisely what the impact of construction of the canal system, roads, ditches, retention ponds and control devices envisioned in the drainage plan will have on the water quality of the canals, Turnbull Hammock, Turnbull Creek, and the Indian River. Drainage of the land area by the construction will produce changes in the environment, but also will make the land accessible to owners, and to some extent may benefit the owners of nearby parcels by draining surface waters and lessening salt water intrusion. One owner of adjoining land objects to any changes in its present natural state (testimony of Blue, Hudson, Stock, Medley, Hunt, Kuperberg, White, De Wees, Fogel & Davenport) Draining and developing the project area will change the surface water flow characteristics by reducing the amount of time water is concentrated or retained in the natural area. This will undoubtedly increase the peak flows and volume of water generated from the area as compared with natural discharge. However, this increase will not exceed the capability of Turnbull Hammock to accept these flows, and increased quantities of waters in the Hammock probably would be beneficial by improving its soil conditions. The increase in peak flows and runoff volumes attributable to the project will not exceed 16 percent of the present ten year storm runoff into the Indian River. In terms of groundwater, recharge in the Cape Atlantic Area occurs only on the Atlantic Coastal ridge. A lowered water table, the result of improving drainage, will decrease the fresh water lead thereby reducing recharge. However, the water table will be lowered only one or two feet and if it is maintained with control structures at these levels as contemplated, improving drainage will not have a serious effect on the quality or quantity of the non-artesian water in the shallow aquifer in the area. The water from approximately 80 percent of the land area will flow into Turnbull Hammock and, in the southwest section of the project area, the water will be held in retention ponds and eventually released in a natural flow. Some water will go to the west toward the St. Johns River basin but it is impossible to tell how much flow this will be. The project will have no significant effect on Lake Harney and it is too far removed from the St. Johns River to have any great impact on its conditions. The drainage of the middle area of the project is ill-defined and water can flow either east or west, depending on how much rain has fallen. In the flat area to the north, water can run in both directions. Passage of water through the designed holding areas vegetation, and then reoxogenation in the canals and spreading systems to Turnbull Hammock will improve surface water quality at the site by creating motion. The roadside swales which bring water to the middle lateral canals will lower the ground water table several feet and this may well improve the water system because presently it is ponded and evaporates or filtrates into the atmosphere. Evidence of some salt water intrusion at the lower end of the Hammock area is evidenced by decayed cypress trees which are not salt water tolerant. Additional fresh water in the Hammock would improve this condition (testimony of McElroy, Blue, Clark, Hudson, McClouth; Exhibit 22). Although the waters in the main canal may not always have met all of the regulatory criteria for Class III waters under Department regulations, its quality has improved over the past several years, particularly with respect to the presence of dissolved oxygen. This is in keeping with the opinion of the experts who agreed that construction produces a temporary. adverse effect on water quality, but the waters soon stabilize and vegetation thereafter appears. When the canal system is completed and connected, a natural flow of water will occur to wash out minerals and other harmful substances, and increase the amounts of dissolved oxygen in the water. It is therefore considered unrealistic to use the test reports obtained from water samples in the present dead-end main canal because they cannot be considered representative of the quality of the water that will be present when the drainage system is in operation. Although it cannot be determined what the exact quality of the canal waters will be when in full operation, there are certain projected consequences which reasonably may be considered likely to occur. After construction of the drainage facilities, the flow of water Bill accelerate and this, in turn, can diminish the quality of animal and plant life to some degree in the Hammock area by reducing the diversity of species. The Hammock is normally anaerobic and nutrients are assimilated there to produce trees, low-lying vegetation, and animal life. Although an increased flow of fresh water will be beneficial to dominant trees, low-lying vegetation might suffer somewhat with a consequent impact on the organisms that feed upon them. However, this is a temporary condition during heavy rain and the degree of change in organisms depends on the frequency of flow and how long the water stays in the Hammock area. Added fresh water in the Hammock will reduce salt water intrusion with consequent beneficial effects. The Hammock can receive a flow of at least two times as much water as is now present during rainfall without adverse effects on the environment as long as urban development has not occurred to produce pollutants in the form of chemicals, tars, oils, and other wastes. Although several expert witnesses foresee eutrophication of the water in the main canal during stagnant periods of the dry season and then flushing of undesirable materials and nutrients accumulated by the eutrophic process into the Hammock during the wet season, the designed holding structures with shallow margins to encourage vegetation and the increased use of natural areas at the north outfall of the project area will filter and reduce substantially the amount of any undesirable material entering the Hammock. Canal systems with standing water are sometimes prone to eventually becoming clogged with aquatic plant life, such as water hyacinths and hydrilla. This, in turn, requires periodic destruction of the plants, usually by chemicals, in order to permit waterflow to continue. Though this possibly may be expected in the main, canal at some point in the future, the planned vegetative filtering system should control excessive entry of the chemical and other pollutants into the Hammock. During the period 1970-74, there was no growth of such plants in the dead-end main canal and no indication that it had become eutrophic (testimony of Blue, Morris, Clark, Hudson, Medley, Hulbert, Down, Stock, Ross). Although the area where Turnbull Creek enters the Indian River is designated as Class II waters, oysters or other shellfish are not present to any extent in the designated area. The designated shellfish harvesting area is in the Indian River south of the Brevard County line. The Indian River is moderately high in salinity and a wedge of this water goes into Turnbull Creek and then to the Hammock. The mixing zone of water is at the entrance of Turnbull which flows into the Indian River. Beyond this mixing zone where fresh water meets salt water, if shellfish exist, the limited amount of fresh water entering the river would have no significant effect upon their growth. Oysters need between ten to 30 parts per thousand salinity in the water for best growth and if the project water flowed into the Indian River the salinity would remain the same approximately 20 to 30 parts per thousand. In fact, a decrease in salinity in the water to some extent favors growth of oysters. However, increased rainfall and runoff can increase bacterial counts in shellfish and decrease the incidence of shellfish predators (testimony of Clark, Kinloch, Down). No significant diversion of waters from the Cape Atlantic Estates areas from natural drainage basins can be established other than some diversion in the eastern portion of the project area. Other than that the flow of ground water cannot be determined with accuracy and, in any event, the project would have little effect on surrounding lakes in the St. Johns River basin. Diversion would seldom occur except when there is a major storm because unless rainfall exceeds one or two inches an hour, it normally will be absorbed by the sandy soil (testimony of Blue, McClough, Hudson).
The Issue The issue in the case is whether the Petitioner is entitled to variances from the requirements of Rule 40D-0.27(2), Florida Administrative Code.
Findings Of Fact William E. Klein (Petitioner) owns two water wells, both in Tampa, Florida. Each water well serves three rental units which are also owned by the Petitioner. One well is located at 302 East North Bay Street. The second well is located at 4113 North Suwanee Street. Each water well is classified as a "limited use community public water system" as defined by Rule 10D-4.024(13)(b), Florida Administrative Code. The wells have been in existence for perhaps as long as eighty years. As of January 1, 1993, limited use community public water system wells must obtain permits to operate. Permits are issued by the Department of Health and Rehabilitative Services. The relevant permit requirements include water testing, submission of an application and a site plan, and payment of a fee. By February 23, 1996, the Department was aware of the Petitioner's wells and had provided notice of the permit requirements to the Petitioner. The Petitioner has met the water testing requirements, but has not submitted applications, site plans, or applicable fees related to these two wells. On May 30, 1996, the Petitioner filed applications for variances, seeks to be excused from submitting the applications, site plans and fees. On June 3, 1996, the Department denied the Petitioner's requests for variances. As grounds for the variance requests, the Petitioner cites financial hardship which will be imposed by payment of the fees. According to the stipulation filed by the parties, the application fee for each well is $110. Of the fee, $75 is retained by the state and $35 is retained by Hillsborough County, where the Petitioner's wells are located. The evidence fails to establish that the Petitioner is entitled to the requested variances. The evidence fails to establish that there are any costs related to submission of site plans. The Petitioner may prepare and submit site plans without assistance. The evidence fails to establish that there are any costs related to submission of a completed applications for permits. The evidence fails to establish that the total fee of $220 related to the issuance of well permits for six rental units will cause a financial hardship for the Petitioner. At most, the evidence indicates that the payment of the fee may reduce the Petitioner's profit from the rental units.
Recommendation Based on the foregoing Findings of Fact and Conclusions of Law, it is recommended that the Department of Health and Rehabilitative Services enter a Final Order denying the Petitioner's requests for the variances at issue in this case. DONE and ENTERED this 18th day of November, 1996, in Tallahassee, Florida. WILLIAM F. QUATTLEBAUM Administrative Law Judge Division of Administrative Hearings The DeSoto Building 1230 Apalachee Parkway Tallahassee, Florida 32399-3060 (904) 488-9675 SUNCOM 278-9675 Fax Filing (904) 921-6847 Filed with the Clerk of the Division of Administrative Hearings this 18th day of November, 1996. COPIES FURNISHED: Gregory D. Venz, Agency Clerk Department of Health and Rehabilitative Services 1317 Winewood Boulevard Building 2, Room 204X Tallahassee, Florida 32399-0700 Richard Doran, General Counsel Department of Health and Rehabilitative Services 1317 Winewood Boulevard Building 2, Room 204 Tallahassee, Florida 32399-0700 William E. Klein, Pro Se Thomas Lewis, Representative 8716 Ruth Place Tampa, Florida 33604 Raymond R. Deckert, Esquire Department of Health and Rehabilitative Services 4000 West Martin Luther King Jr., Boulevard Tampa, Florida 33614
The Issue The issue in this case is whether the St. Johns River Water Management District (District) should issue a consumptive use permit (CUP) in response to Application Number 99052 filed by the City of Titusville and, if so, what CUP terms are appropriate.
Findings Of Fact Area II and III Wellfields On February 10, 1998, the District issued CUP 10647 to the City of Titusville, authorizing the withdrawal of an annual average of 6.5 mgd from the City's Area II and Area III Wellfields, 5.4 from Area II and 1.1 from Area III. These wellfields are owned and operated by the City and are located within its municipal boundaries. They produce water from the SAS. The Area II Wellfield is located near I-95 in the northeastern portion of the City and consists of shallow wells primarily constructed between 1955 and 2002. It consists of 53 production wells, of which 31 are considered to be of primary use. The City replaced 16 Area II production wells in 1995 and 4 production wells in 2000 and is currently considering the replacement of 4 additional wells. The Area III Wellfield is located in the south-central portion of the City’s service area. It consists of 35 production wells, of which 18 are considered to be of primary use. Petitioners contend that both the "safe yield" (the quantity of water the City can withdraw without degrading the water resource) and the "reliable yield" (the quantity of water the City can dependably withdraw) of the Area II and III Wellfields are the permitted limits of 5.4 and 1.1 mgd, respectively. The City and the District contend that saline intrusion into the SAS has reduced the safe and reliable yields to significantly less than the permitted amounts at this time. Historically, the Area II Wellfield was the most productive wellfield. Prior to 1988, the City relied entirely on the Area II Wellfield and pumped almost 5 mgd from it at times. Since then, several Area II wells have shown signs of water quality degradation that has resulted in a reduction in pumping to better stabilize water quality levels. For the past five years, the City has only pumped approximately 3 mgd on an annual average basis from the Area II Wellfield. Chloride concentrations exceeding 250 mg/l have been recorded in 16 Area II production wells. Chloride concentrations exceeding 250 mg/l have been recorded in 22 Area III production wells. About 10 wells in the Area II and III Wellfields have been abandoned because of water quality degradation. At the Area II Wellfields there are 10 wells whose use is impaired because of water quality issues. At the Area III Wellfields there are 15 wells whose use is impaired because of water quality issues. Area III has had serious chloride problems, with concentrations at or near 200 mg/l for much of the mid-90's. In the Area III Wellfield, the Anastasia wells have the best water quality. However, these wells have also seen increasing concentrations of chlorides, with one well over 200 mg/l. According to information introduced into evidence by the City, it appears that Area III began to have chloride problems primarily due to over-pumping.5 The City pumped far in excess of permit limits from Area III during the early 1990's, including almost twice the permit limit in 1990 and 1.5 times the limit in 1991. While chlorides were between 77 and 92 mg/l in 1990-92, they began to rise in 1993 and were between 192 and 202 mg/l for the rest of the decade. Area III production declined in 1997 to approximately 0.66 mgd and declined further to a low of approximately 0.5 mgd in 1999. In 2000, chlorides fell to approximately 138 mg/l and then rose to approximately 150 mg/l in 2002-04, while production gradually rose to close to the permit limit in 2002 and 2003, before dipping to 0.75 mgd in 2004. In 2005, production was back up to 1 mgd, and chlorides were approximately 87 mg/l. During the five years from 2001 through 2005, the City has pumped an annual average rate of approximately 1 mgd from Area III. In contrast, Area II has not been over-pumped during the same time period. Area II production generally declined from a high of 4.146 mgd in 1992 to a low of 2.525 mgd in 2000, except for an increase of approximately 0.25 mgd between 1997 and 1998. During this time, chlorides generally declined from a high of 124 mg/l in 1993 to approximately 68 mg/l in 2000, with the exception of a rise to approximately 111 mg/l in 1999. Area II production then generally increased through 2003 to approximately 3.000 mgd, where it remained in 2004 before declining to approximately 2.770 mgd in 2005. Area II chlorides were approximately 113 mg/l in 2001, 109 in 2002, 86 in 2003, 76 in 2004, and 83 in 2005. During the five years from 2001 through 2005, the City has pumped only an annual average rate of 2.86 mgd. In 1995, the City entered into a contract with the City of Cocoa requiring the City to pay for at least 1 mgd each year, whether the City actually takes the water or not (the "take-or-pay" clause). Using the Cocoa water allowed the City to reduce production from Area III without a corresponding increase in production from Area II. Water conservation measures implemented since 1998, including conservation rates, have since reduced per capita water use. In 2002, the contractual take-or-pay requirement was reduced to 0.5 mgd. After 2002, purchases of Cocoa water have amounted to 0.576, 0.712, and 0.372 mgd on an annual average basis. As a result, since at least 1990 Area II has not been required to produce at its permitted limit. It is not clear exactly what the City believes to be safe and reliable yields at this time from Areas II and III. In its PRO, the City took the position that the total reliable yield is 3.5 to 4 mgd, of which 2.25 to 2.5 mgd is attributable to the Area II Wellfield and 0.75 mgd is attributable to the Area III Wellfield. However, its consultant, Mr. Patrick Barnes, testified that the City's current reliable yields are 3 mgd from Area II and 1 or 1.1 mgd from Area III. He testified that the safe yield from Area II would be approximately 3.5 mgd. The District has not formulated an opinion as to the exact of amount of water that can be produced from the Area II and III Wellfields on a sustainable basis. However, the District believes that recent production levels, which have resulted in a stabilization of chloride concentrations, may be the most production that can be sustained from these facilities without adverse water resource impacts. That would mean approximately 4.5 mgd on an annual average basis from Areas II and III combined. It might be possible for the City to expand the reliable yield of the Area II Wellfield by constructing additional wells or through some other measures. But Brevard County’s North Brevard Wellfield, located immediately north of the City’s Area II Wellfield, utilizes the same SAS used by the Area II Wellfield, and Brevard County recently received an increased permitted allocation from the District for this facility. This would limit the City’s ability to expand the current production of water from the Area II Wellfield. Other limitations on expansion of production from Areas II and III include: the relatively high risk of contamination of the SAS from pollution sources such as underground petroleum storage tanks; the limited space available in an increasingly urbanized area for the construction of new wells; the chronic bio-fouling and encrustation of wells due to the high iron content of the SAS; and the low specific capacity of each production well. For these reasons, it is not clear at this point in time whether it is possible to sustain more water production from Areas II and III than the City has pumped in recent years. B. Area IV Application and TSR On March 6, 2001, the City of Titusville submitted its application to modify CUP 10647. Included in this application was a proposal to add a new Area IV Wellfield in northwest Brevard County to pump up to 2.75 mgd from the UFAS. The District issued a series of seven Requests for Additional Information in between April 5, 2001, and March 23, 2004. On December 15, 2004, the District issued its initial TSR for the CUP modification application. That TSR proposed to authorize the use of 2.75 mgd from the UFAS and 0.18 mgd of groundwater from the SAS from the proposed Area IV Wellfield and 3.3 mgd of groundwater from the SAS from the existing Area II and Area III Wellfields to serve a projected population of 56,565 in 2008. There was no request to extend or renew the permit, which expires February 10, 2008. Miami Corporation filed a petition challenging this TSR. On May 13, 2005, the City submitted a revised application for a separate Individual CUP for the Area IV Wellfield, rather than modifying its existing CUP 10647 to include the new wellfield, with a permit expiration of December 31, 2010. On May 25, 2005, the staff issued a revised TSR. That TSR proposed a new permit to authorize up to 2.75 mgd of groundwater from the UFAS and 0.178 mgd of groundwater from the SAS from the proposed Area IV Wellfield to serve a projected population of 59,660 in 2010. The revised TSR noted that the proposed permit expiration date for the Area II and Area III Wellfields would remain February 10, 2008. Vergie Clark filed a petition challenging the revised TSR, as did Miami Corporation. After various notices on the TSR and the revised TSR to interested persons in Brevard County, in August 2005 the District issued additional notice to interested persons in Orange, Seminole and Volusia Counties. As a result, all required public notices have been issued. On March 14, 2006, the City again revised its application, and on May 1, 2006, the District issued its second revised, and final, TSR--which is the TSR now at issue. The TSR at issue recommended that a CUP be issued to Titusville for 2.75 mgd of groundwater from the UFAS and .18 mgd of groundwater from the SAS for wetland hydration and aquifer recharge from the Area IV Wellfield on an annual average basis to serve a projected population of 63,036 in 2010. This TSR provided that the proposed permit would expire December 31, 2010. TSR at Issue Water Use Allocation The CUP recommended by the TSR would only grant the City a water allocation from the Area IV Wellfield for 2009 and 2010. The recommended CUP would allow the City to withdraw water from the Area IV Wellfield at an annual average rate of 2.75 mgd during those years for public supply. (Other Condition 4) The CUP recommended by the TSR would limit the City’s potable water allocation from the Area IV Wellfield to a maximum rate of 3.85 mgd during the four consecutive months of the dry season, which can occur during any time of the year. If 3.85 mgd is withdrawn during this four-month period, the withdrawal rate for the remaining 8 months cannot exceed 2.21 mgd. (Other Condition 8) The CUP recommended by the TSR would limit the City’s potable water allocation from the Area IV Wellfield to a maximum rate of 4.41 mgd during any single month. (Other Condition 7) The CUP recommended by the TSR would limit the City’s potable water allocation from the Area IV Wellfield to a maximum rate of 6.5 mgd during any single day during a severe drought, when the existing sources (meaning Areas II and III) cannot be used without inducing water quality degradation or exceeding permitted quantities. (Other Condition 9) The CUP recommended by the TSR would allow the City to withdraw water from the SAS extraction wells at an annual average rate of up to 0.178 mgd in 2009 and 2010 for wetland hydration and surficial aquifer recharge. (Other Condition 6) The CUP recommended by the TSR would limit the withdrawal of water from the Area II, III and IV Wellfields to a combined annual average rate of 5.79 mgd in 2009 and a combined annual average rate of 6.01 mgd in 2010. The CUP recommended by the TSR would limit the withdrawal of water from the Area II, III and IV Wellfields to a combined maximum daily rate of 8.88 mgd in 2009 and 9.0 mgd in 2010. (Other Conditions 5, 9) The CUP recommended by the TSR would reduce Titusville's combined annual average and maximum daily allocations from the Area II, III and IV Wellfields in 2009 and 2010 by an amount equivalent to the quantity of water purchased from the City of Cocoa during each year. (Other Conditions 5, 9) Other Condition 10 in the recommended by the TSR notifies the City that nonuse of the water supply allocated by the CUP for two years or more is grounds for revocation by the District's Governing Board, permanently and in whole, unless the City can prove that its nonuse was due to extreme hardship caused by factors beyond the City's control. Permit Duration The CUP recommended by the TSR would not allow the City to withdraw water from the Area IV Wellfield earlier than January 1, 2009; as indicated, it would expire on December 31, 2010. (Other Conditions 2, 4). Saline Water Intrusion The CUP recommended by the TSR contains a permit condition requiring the City to implement the proposed saline water monitoring plan by sampling and analyzing Saline Water Monitor Wells SWMW 1-6 and UFAS production wells 401, 403, 405, 407, 409, 411, 413 and 415 quarterly for water levels, chloride and total dissolved solids. (Other Condition 11) The CUP recommended by the TSR contains a permit condition authorizing the District to modify the allocation granted to the City in whole or in part or to otherwise curtail or abate the impact in the event of saline water intrusion. (Other Condition 14) The CUP recommended by the TSR contains a permit condition requiring the City to cease withdrawal from any UFAS production well, if any quarterly water sample from that well shows a chloride concentration exceeding 250 mg/l. That same condition would limit the operation of any UFAS production well with a quarterly sample exceeding 250 mg/l to six hours per day with a minimum 24 hours recovery between pumping cycles if subsequent samples contain chloride concentrations between 200 mg/l and 249 mg/l. (Other Condition 25) Environmental Impacts and Avoidance and Minimization The CUP recommended by the TSR contains a permit condition requiring the City to implement the proposed environmental monitoring plan for hydrologic and photo- monitoring at 16 wetland sites within one year of permit issuance and to establish a baseline prior to the initiation of groundwater withdrawals. That same condition requires the City to collect water level data at each wetland site either on a daily or weekly basis and report to the District every six months in District-approved, computer-accessible format. (Other Condition 12) The CUP recommended by the TSR contains a permit condition authorizing the District to revoke the permit in whole or in part or to curtail or abate impacts should unanticipated adverse impacts occur to wetlands, lakes and spring flow. (Other Condition 23) The CUP recommended by the TSR contains a permit condition authorizing the District to require the City to implement the proposed avoidance and minimization plan should unanticipated impacts occur to Wetland A4-2 (a shallow marsh near the middle of the wellfield) within 90 days of notice by the District. That same permit condition authorizes the District to require the City to submit a wetland rehydration plan for any other adversely affected wetland within 30 days of notice by the District and to implement the plan without 90 days of approval by the District. The District would require the City to implement avoidance measures before the wetlands are actually allowed to suffer adverse impacts. (Other Condition 24) Impacts to Other Existing Legal Users of Water The CUP recommended by the TSR contains a permit condition authorizing the District to require mitigation of any unanticipated interference to existing legal users of water due to withdrawals from the Area IV Wellfield. Mitigation may include installation of a new pump or motor, installation of additional drop pipe, new electrical wiring, connection with an existing water supply system, or other appropriate measures. (Other Condition 15) Water Conservation Measures and Reuse The City is implementing extensive water conservation measures. The City’s water conservation plan includes public education measures (e.g., televised public service announcements, helping to create water conservation videos and distributing them to the public, commissioning an award winning native plant mural, providing exhibits and speakers for public events), toilet and showerhead retrofits, and a water conservation based rate structure. A water conservation rate structure provides the potable water customer with an economic incentive to use less water. The most common conservation rate structure is a tiered-rate whereby the cost per gallon of water increases as the customer uses more water. While the District reviews the rate structure to evaluate whether it will achieve conservation, it does not mandate the cost per gallon of water. An audit of the City’s potable water distribution system was conducted and recent water use records were evaluated to determine if all necessary water conservation measures were in place. The audit indicated that the potable water system has small unaccounted-for water losses, approximately 6.5 percent, and relatively low residential per capita water use. The City has implemented a water conservation plan that implements rule requirements; as a result, the City has provided reasonable assurance that it is implementing all available water conservation measures that are economically, environmentally, or technologically feasible. The City cannot use reclaimed water to meet its potable water demands associated with direct human consumption and food preparation. However, reclaimed water can be used to replace that part of the City’s allocation that is associated with irrigation-type uses. The City has operated a reclaimed water reuse system since 1996. It is projected that 67 percent of the available wastewater flows will be utilized by 2010 for irrigation, with the remainder going to a wetland system during wet weather periods when irrigation demands are low. The City is using reclaimed water to the extent it is economically, environmentally and technologically feasible. In the case of public supply, the District looks to the amount of water requested for each person in a projected population in determining whether the water will be used efficiently. The metric that the District normally considers when conducting this part of the evaluation is the per capita usage. Population Projections and Per Capita Water Use As indicated, the proposed CUP would expire on December 31, 2010. Although the City and District would anticipate an application for renewal to be filed, demand for water projected beyond December 31, 2010, is not relevant to the need for the proposed CUP. In the case of public supply, projected demand for water usually is calculated by multiplying the projected population times per capita water use. Gross per capita (“GPC”) use in gallons per day (gpd) is the type of metric normally used to project demand for public supply of water. It is based on residential use and all other water uses supplied by the utility, including commercial, industrial, hotel/motel, and other type uses. That includes supply necessary to meet peak demands and emergencies. DEP requires that every public water supply system have an adequate water supply to meet peak demands for fire protection and health and safety reasons. If peak demands are not met, a major fire or other similar catastrophe could depressurize a public water system and possibly cause water quality problems. Projections of need for water in the future must take into account peak demands and emergency needs. Water used for those purposes is included in the historical average daily flows (ADF) from which historical GPC is derived. Unless there is good information to the contrary, in projecting GPC one assumes that those uses will increase roughly in proportion to the residential use. City's Projection Contending that the University of Florida Bureau of Economic and Business Research (BEBR) does not estimate or project population for municipalities, and that BEBR projections are based on historical trends that would under-project population in the City, the City used a different source and method to project population in the City's water service area on December 31, 2010. For its method, the City had Courtney Harris, its Planning Director, project the number of dwelling units that would be developed and occupied in 2011, calculating the additional people associated with each unit (based on the 2000 Census, which identified 2.32 as the average number of persons per dwelling unit in the City), and adding the resulting number to the City’s existing service area population as of 2005. The City's method yielded various results depending on when proposed developments in the City were reviewed. Ultimately, the City projected a population of 60,990 at the end of 2010. The City's method depends on the ability of its Planning Director to accurately predict the timing of new residential construction and sales, which is not easy to do (as indicated by the different results obtained by the City over time), since there are many factors affecting residential development and the real estate market. The ultimate predictions of the City's Planning Director assume that residential development will continue at an extraordinarily high pace although there already was evidence of downturn. The City's method also assumed that all new units will be sold (which, again, is contingent on market conditions) and fully occupied (although a 90 percent occupancy rate would be a more realistic.) The method also does not account for decreases in population in a number of areas in the Titusville service area (while overall population increased, mostly as a result of growth that has been occurring in a single census tract.) The City's witnesses then calculated a per capita water use rate by averaging the actual rates for the 11 years from 1995 through 2005, which resulted in projected per capita water use rate of 100.35, and a projected demand of 6.12 mgd at the end of 2010. The justification for averaging over 11 years, instead of the last five years, was that the last five years have been unusually wet, which would depress demand to some extent. However, using 11 years also increased the average water use by taking into account the higher use rates common before conservations measures, including conservation rates, went into effect (in particular, 123.75 gpd for 1995, 122.36 gpd for 1996, and 109.94 gpd for 1998.) Since 1998, and implementation of the conservation rates and other measures, water use rates have been significantly lower. While the average over the last 11 years was 100.35 gpd, the average over the last five years (from 2001- 2005) was just 92.15 gpd. Averaged since 1998, the City's water use rate has been 93.34 gpd. While wetter-than-normal conditions would be expected to depress water use to some extent due primarily to decreased lawn irrigation, many of the City's water customers have private irrigation wells for this purpose. Besides, Mr. Peterson, the City's Water Resources Manager, testified that not many of the City's water customers use potable water for lawn irrigation due to the new conservation rates. Petitioners' Projection Miami Corporation's population expert, Dr. Stanley Smith, is the Director of BEBR. Dr. Smith projected the population for the City's service area by first developing an estimate of the population of the water service area in 1990 and 2000 using block and block group data, and then using those estimates to create estimates from 2001-2005. Dr. Smith then projected population in the City's water service area using a methodology similar to what BEBR uses for county projections. Dr. Smith's methodology used three extrapolation techniques. He did not use a fourth technique, often used at BEBR, called shift-share, because he believed that, given Titusville's pattern of growth, using shift-share might produce projections that were too low. In developing his final projections, Dr. Smith also excluded the data from 1990 to 2000 because growth during that period was so slow that he felt that its inclusion might result in projections that were too low. Dr. Smith's approach varied slightly from the typical BEBR methodology in order to account for the fact that the City's growth has been faster since 2000. Dr. Smith applied an adjustment factor based on an assumption also used by the City's expert that 97.3 percent of the projected population within the City's water service area in 2010 would be served by the City. Using his method, Dr. Smith projected the population of the Titusville water service area to be 53,209 on December 31, 2010. Based on recent population estimates, Dr. Smith believes that, if anything, his projections are too high. It was Dr. Smith's opinion from the data that the annual increases for Titusville and the Titusville water service area peaked in 2003 and that they had been declining since that time. That was especially true of 2006, when the increase was the smallest that it had been for many years. Petitioners' expert, Mr. Drake, calculated a per capita water use rate by averaging the actual rates for the most recent five years (2002-2006), which resulted in a per capita water use rate of 89.08 gpd, and a projected demand of 4.74 mgd at the end of 2010. He also calculated a per capita water use rate for 2006, which came to 88.65 gpd, which would give a slightly lower projected demand of 4.72 mgd. Ultimate Finding of Projected Water Demand Based on all the evidence, it is found that Dr. Smith's projection of the population that will use City water on December 31, 2010, is more reasonable than the City's projections. The City and District contend that, regardless of the calculated per capita water use rate, it is appropriate to base the City's allocation on a rate of 100.35 gpd because 90 to 100 gpd is very conservative per capita water use rate for a public water supply utility. However, the allocation should be based on the best estimate of actual demand, not a general rate commonly assumed for water utilities, even if conservative. The City and District also contend that it is appropriate to base the City's allocation on a higher use rate because the climatic conditions experienced in the City over what they considered to be the most recent five years (2001- 2005) have been average-to-wet. More rainfall generally means less water use, and vice-versa, but the greater weight of the evidence proved that the City's demand for water has not varied much due to climatic conditions in recent years (after implementation of conservation measures, including conservation rates.) (City Exhibit 19, which purported to demonstrate the contrary, was proven to be inaccurate in that it showed significantly more water use during certain drier years than actually occurred.) However, in 2000--which was after the implementation of conservation rates and also the City's driest year on record (in approximately 75 years)--the water use rate was approximately 97.5 gallons per person per day. An average of the last eight years (1999-2006), which would include all years clearly responsive to the conservation rates as well as the driest year on record, would result in a per capita water use rate of approximately 92.8 gpd, and a projected demand of approximately 4.94 mgd by December 31, 2010. The District argues in its PRO that, because a CUP water allocation is a legal maximum, it would be inappropriate to base the City's water allocation on demand during a wet or even an average year (which, it says, would set the permittee up to violate its permit requirements 50 percent of the time). If, instead, the City's water allocation were based on demand during 2000, the driest year on record, projected demand would be approximately 5.2 mgd on December 31, 2010. Those calculated water allocations--i.e., either the 4.94 mgd or the 5.2 mgd--would then be compared to the probable safe and reliable yield of 4.5 mgd from Areas II and III to determine the deficit on an annual average basis. Allowing a reasonable margin of error for the uncertainties of the predictions involved, a reasonable maximum annual average allocation for the proposed Area IV Wellfield would be 0.75 mgd. Mr. Jenkins suggested in rebuttal that, if the need for water is less than that set out in the proposed CUP in the TSR at issue, a CUP should nonetheless be issued but with lower water allocations. While the evidence supports a reduction of the annual average limit from 2.75 mgd to 0.75 mgd, there was insufficient evidence to show how the other water allocation limits in the proposed CUP should be changed. For the past 12 years, the City of Titusville has been able to purchase water under a contract with the City of Cocoa to meet all of its demands, including any peak or emergency water demands. Under the take-or-pay provision in the contract currently in effect, the City must pay for 0.5 mgd and presumably would take and use at least that amount so long as the contract remains in effect. This would reduce the City's projected water supply deficit through the end of 2010, and the City could rely on the Cocoa contract to cover any additional demand through the end of 2010 without Area IV. However, under the contract, the City can give notice on or before April 1 of the year in which it intends to terminate the contract effective October 1 of the same year. If a CUP for Area IV is issued, the City could terminate the current contract effective as early as October 1, 2008. It also is possible that the contract could be negotiated so that its termination would coincide with the time when the Area IV Wellfield becomes operational if not near October 1 of the year. As indicated, even if the contract remains in place, to the extent that the City receives water from the City of Cocoa for potable use during either 2009 or 2010, the allocations under the proposed TSR will be reduced an amount equivalent to the quantity provided to the City by Cocoa in that year. Finally, as indicated, the existing CUP for Areas II and III is set to expire in February 2008. Although it is anticipated that the City will apply to renew the existing CUP for Areas II and III, and that the District will approve a renewal at some level, it is not clear how much production will be approved for Areas II and III for the years 2009 and 2010. Meanwhile, the CUP proposed for Area IV provides that the combined annual groundwater withdrawals for public supply for the Areas II, III, and IV may not exceed 5.79 mgd for 2009 and 6.01 mgd in 2010. Based on the findings in this case, those figures should be reduced to no more than 5.2 mgd, and it must be anticipated that a similar condition would be placed on any renewal of the existing CUP for Areas II and III as well. Site Investigation At the time the City decided to apply for a CUP for Area IV, it was known that the UFAS in much of Brevard County was not suitable as a source of potable water supply, but there was believed to be a tongue of the UFAS in the northwest corner of the County and extending towards the southeast, and narrowing in that direction, that might be suitable for that purpose, particularly in the upper part of the aquifer. Because there was insufficient information to adequately evaluate the whether proposed Area IV, which was located along the Florida East Coast Railway (FEC) Right-of-Way (ROW), could be used for that purpose, the City’s consultant, Barnes, Ferland and Associates (BFA), designed a drilling and testing program to collect site-specific information in order to characterize the groundwater quality, identify the thickness of the freshwater zone in the UFAS, and determine hydraulic parameters for the groundwater system. In addition, DRMP conducted an environmental assessment of the Area IV Wellfield and surrounding property. The drilling and testing program designed by BFA for the Area IV Wellfield was similar to other hydrogeologic investigations conducted in the region with respect to wellfields operated by the City of Edgewater, the City of New Smyrna Beach, the City of Ormond Beach, the Orlando Utilities Commission and Orange County. The drilling and testing program for the Area IV Wellfield included Time-Domain Electromagnetic Mapping ("TDEM") performed by SDII Global, a consultant retained by the District. TDEM is not typically used for the hydrogeologic investigation of a new wellfield. The TDEM technique involves estimating the depth to the 250 mg/l and 5,000 mg/l chloride concentration in the groundwater system using electrical resistivity probes. The technique was applied at four locations along the FEC Right-of- Way. In addition to the TDEM study, BFA installed three test production wells along the FEC ROW, collected lithologic samples with depth, performed borehole aquifer performance and step drawdown tests at two test sites and recorded water quality with depth through grab and packer samples. The northernmost test production well was Test Site 1, which corresponds to Area IV production well 401. The middle test production well was Test Site 3, which corresponds to either Area IV Well 412 or Area IV Well 413. The southernmost test production well was Test Site 2, which is located approximately 1.5 miles south of the southernmost Area IV production well. Test Sites 1 and 2 were constructed first and Test Site 3 was drilled later because of unfavorable water quality conditions encountered at Test Site 2. Test Site 1 is located on the FEC ROW approximately 430 feet southeast of the Volusia-Brevard County line. At Test Site 1, BFA installed a test-production well (UF-1D), a UFAS monitor well (UF-1S), and a SAS monitor well (SA-1) in 2001. In 2005 BFA installed two additional SAS monitor wells (MW-1 and RW-1) near Test Site 1. The test production well was drilled to a depth of 500 feet below land surface and then back-plugged to a depth of 250 feet below land surface and cased to a depth of 105-110 feet below land surface. Test Site 2 is located on the FEC ROW approximately 2.8 miles southeast of the Volusia-Brevard County line. At Test Site 2, BFA installed a single UFAS Monitor Well (UF-2S). The monitor well was drilled to a total depth of 210-220 feet below land surface. Test Site 3 is located on the FEC ROW approximately 1.4 miles southeast of the Brevard-Volusia County line. At Test Site 3, BFA installed a test production well (UF-3D), a UFAS monitor well (UF-3S), and a SAS monitor well (SA-3). The test production well was drilled to a depth of 500 feet below land surface and then back-plugged to a depth of 210 below land surface.. Since Test Site 3 is either Area IV Well 412 or 413, and assuming production well 415 will be located 1,200 feet southeast of Test Site 3, this means that Test Site 2 is located at least one mile southeast of the southernmost Area IV production well. Test Sites 4 and 6 are located approximately three miles southeast of Brevard-Volusia County line. SAS test production wells were constructed at both sites to a total depth of about 20-30 feet below land surface. The site-specific hydrogeologic data collected by BFA as part of the drilling and testing program verified the groundwater basin and flow direction shown in Figure 15 of City Exhibit 523. DRMP’s environmental assessment of the Area IV Wellfield spanned the period from 2002 through 2006. In Spring 2002, DRMP evaluated areas within the predicted 0.2 foot drawdown contour by assessing wetland vegetation, photographing wetlands, noting wetland hydrologic conditions, investigating soil condition and wildlife utilization and evaluating surrounding land uses and natural communities. In Fall 2002, DRMP evaluated potential monitoring sites both on and off Miami Corporation's property by assessing wetland vegetation composition and hydrologic conditions, investigating soil conditions and wildlife utilization, evaluating surrounding land use and natural communities and locating suitable control sites. In Fall 2003, DRMP evaluated potential wetland monitoring sites near the southernmost Area IV production wells by assessing wetland vegetation composition and hydrologic conditions, investigating soil conditions and evaluating surrounding land uses and natural communities. In Spring 2005, DRMP assessed wetlands surrounding the Area IV Wellfield by evaluating wetland vegetation composition and hydrologic conditions, photographing wetlands, investigating soil conditions, evaluating surrounding land use and natural communities and collecting GPS points. In Fall 2005, DRMP investigated the Clark property by evaluating wetland vegetation and hydrologic conditions, photographing wetlands, investigating soil conditions and wildlife utilization and evaluating surrounding land uses and natural communities. In Spring 2006, DRMP developed a revised environmental monitoring plan and avoidance and minimization plan based on the new SDI MODFLOW Model by locating the final wetlands monitoring sites, developing the hydrologic and vegetative monitoring protocol, establishing the scope of the baseline study, reviewing the preliminary pipeline routing, construction and discharge inlet structures and preparing and submitting plan documents to the District. DRMP evaluated the occurrence of listed animal and plant species in the vicinity of the Area IV Wellfield as part of its environmental assessment. DRMP reviewed the Natural Areas Inventory for the Area IV Wellfield site, which identifies occurrences of listed species within a designated area. Additionally, DRMP made note of animal and plant species during the site visits in 2002, 2003, 2005, and 2006. DRMP evaluated the Farmton Mitigation Bank as part of its environmental assessment. DRMP reviewed the permit files for the Farmton Mitigation Banks, including the annual environmental monitoring reports prepared by Miami’s consultants. In 2005, DRMP conducted a field assessment of the Clark property including a thorough investigation of the fish pond, which Petitioners claim was adversely impacted during one or more of the APTs conducted by the City at the Area IV Wellfield. It was not necessary for the City’s environmental consultants to visit each and every wetland in the vicinity of the proposed Area IV Wellfield. Typically, only representative wetland sites are visited during the environmental assessment process. The scope of the City's hydrologic and environmental investigation of the Area IV Wellfield was adequate and consistent with industry standards and the District protocol for testing aquifers and characterizing aquifer performance and groundwater quality at the site. Nonetheless, Petitioners contend that there were serious deficiencies in the investigation's implementation and that additional investigation should have been performed. Hydrostratigraphy The SAS at the Area IV Wellfield is 40-to-50 feet deep and is composed primarily of unconsolidated sand, shell and silt. The intermediate confining unit (ICU) at the Area IV Wellfield consists of the Hawthorne Group and ranges in thickness from 40 to 60 feet. The top of the ICU is located 40- 50 feet below land surface and the bottom of the ICU is located 100 feet below land surface. This unit is composed of varying amounts of sand, shell, silt, indurated sandstone, clay, and some limestone. It tends to restrict the movement of water from the SAS to the UFAS. The UFAS at the Area IV Wellfield is a fairly homogenous limestone unit, which starts approximately 100 feet below land surface and extends to about 450 feet below land surface or 425 feet below mean sea level. It consists of the Ocala Group and grades into the upper portion of the Avon Park Formation. The middle confining unit (MCU) at the Area IV Wellfield starts at approximately 450 feet below land surface or 425 feet below mean sea level and ends approximately 1,000 feet below land surface. It comprises a denser, fine-grained dolomitic limestone within the Avon Park Formation. The MCU restricts the movement of water between the UFAS and LFAS. The location of the MCU at the Area IV Wellfield was determined by examining cuttings and video logs collected during drilling performed at Test Sites 1 and 3 and by measuring various properties of the aquifer with down-hole geophysical techniques. The MCU can be distinguished from the UFAS by the presence of both dolomite and limestone. The lithologic log for Test Site 1 indicates the presence of gray/tan limestone between 450 and 460 feet below land surface and light/gray limestone and dolomitic limestone between 460 and 470 feet below land surface. The lithologic log for Test Site 3 indicates the presence of tan dolomitic limestone between 450 and 460 feet below land surface and tan limestone and dolomitic limestone between 460 and 470 feet below land surface. After examining the video log for Test Site 1, Petitioners’ expert, Dr. Thomas Missimer, noted a “lithologic change” at 477 feet below land surface. Other characteristics of the MCU are a lower resistivity and a sharp decrease in flow. The data collected at Test Site 1 shows a reduction in resistivity at approximately 470 feet below land surface. The flow meter log for Test Site 1 exhibits a decrease in flow at approximately 450 feet below land surface. Petitioners’ experts, Thomas Missimer, Alge Merry, and Bruce Lafrenz contend that the top of the MCU at the Area IV Wellfield is located deeper than 450 feet below land surface or 425 feet below mean sea level. This contention is based on regional reports, the geophysical logs reported by BFA, and one of the packer tests conducted at the bottom of the test wells that showed a pumping rate of 85 gpm. The greater weight of evidence indicates the top of the MCU at the Area IV Wellfield starts at the elevation identified by BFA. The regional reports are not based on data collected from the immediate vicinity of the Area IV Wellfield. Additionally, the BFA's professional geologists who determined the top of the MCU included Joel Kimrey, who was the former head of the local USGS office, and had more experience with the hydrogeology of the MCU in Brevard and Volusia than any of the Petitioners’ geologic experts. Also, the BFA geologists had access to the drill cuttings, which were unavailable to the Petitioners’ experts when they made their determination. Finally, the pumping rate recorded during the packer test could be explained by an area of higher permeability within the MCU. More likely, the packer may have been partially open to the bottom of the UFAS. The Lower Floridan Aquifer System (LFAS) starts at about 1,000 feet below land surface and ends approximately 2,300 feet below land surface. Head Difference Data Head refers to the pressure within an aquifer. In an unconfined aquifer, it is the water table. In a confined or semi-confined aquifer, it is the level to which water would rise in a well penetrating into the aquifer. Head difference refers to the numerical difference between two water levels either in different aquifer at the same location or different locations in the same aquifer. In the context of the Area IV Wellfield, static head difference is the difference between the elevation of the water table in the SAS and the elevation of the potentiometric surface of the UFAS under non-pumping conditions at the same location. The static head difference reflects the degree of confinement in the ICU. If the static head difference between the SAS and UFAS is a large number, this indicates a high degree of confinement between the two systems. BFA took static head measurements at SAS and UFAS monitor wells located at Test Sites 1, 2 and 3 in January 2004, April 2004, and July 2006 and calculated the head difference based on those measurements. District expert, Richard Burklew, was present when the measurements were taken in April 2004 and July 2006 and verified the readings made by the City’s consultants. During all three sampling events a downward head gradient was noted at each site, which means the water table had a higher elevation than the potentiometric surface of the UFAS. In January 2004, the measured head difference at Test Sites 1, 2 and 3 were 6.2 feet, 5.5 feet and 5.9 feet, respectively. In April 2004, the measured head difference at Test Sites 1 and 3 were 8.1 feet and 8.1 feet, respectively. Finally, in July 2006, the measured head difference at Test Sites 1, 2 and 3 were 8.6 feet, 6.6 feet and 9.3 feet, respectively. The average of those observed head differences was 7.46 feet. At the time the head difference measurements were taken in July 2006, the region had experienced a rainfall deficit of 17 inches over the prior 12 months. Petitioners contend that the rainfall deficit may have skewed that head difference observation. However, according to the District’s expert, Richard Burklew, this would not necessarily have affected the head difference measurements because the hydrologic system would seek equilibrium, and the head difference would be the same. BFA collected static head difference measurements from Test Sites 1, 2 and 3 during both wet and dry seasons. The measurements do not show significant differences between seasons. Head difference data collected from hundreds of other Florida locations also do not show significant differences between seasons. This suggests that static head difference remains fairly constant at the Area IV Wellfield year round. Water level measurements taken by the City’s consultants from the wells on Clark’s property and reported in City Exhibit 52 do not determine static head difference between the SAS and UFAS because the exact construction of the wells was unknown, the completion depth of certain wells was unknown, the operational history of the wells was unknown, and the putative SAS well was located several hundred feet away from the UFAS well. For example, the depth of one of the wells is reported as 57 feet, which could easily be located in the ICU. If that is the case, then the head difference measured by comparing to the water level in this well would only be the head differential between the ICU and the UFAS. Finally, the Clark property is located in a more elevated region than Test Sites 1, 2, and 3, which means the water table will be lower and the head difference will be less than at the Area IV Wellfield. Water level measurements reported in the driller’s completion log for Wells 4175, 4176, 4177, and 5230 on Miami Corporation’s property do not determine static head difference between the SAS and UFAS because critical information concerning the construction of these wells is unknown. Additionally, the wells are much shallower than test production wells at Test Sites 1, 2 and 3. The water level measurements reported in the driller’s completion log for Wells 4175, 4176, 4177, and 5230 are not necessarily inconsistent with head difference measurements collected by BFA at Test Sites 1, 2 and 3. The head differences at these four well sites could be 6, 4, 7, and 6 feet, respectively, depending how the water measurements were made. Also, the measurements made by a driller could not be expected to be as accurate as measurements made by trained hydrologists. Further, if the soils in the vicinity of Well 4177 indicated a depth to water table of 5 feet below land surface, that would not necessarily be inconsistent with the head difference measurements collected by BFA at Test Sites 1, 2 and 3. Depth to Water Table The depth to water table is defined as the difference between the land surface elevation and the head value in the SAS. The water table in the Area IV Wellfield area is consistently close to land surface and often above land surface. The construction of numerous above-grade forest roads and roadside ditches on the property surrounding the Area IV Wellfield has had the effect of impounding surface water and raising the water table near land surface. The Area IV Wellfield and vicinity have a variety of soil types. The predominant wetland soil type is Samsula Muck, which is classified as a very poorly drained soil with a water table either at or above land surface. The predominant upland soil type is Myakka Fine Sand, which is characterized by a water table within a foot of land surface during four months of the year and within 40 inches of land surface during remainder of the year. The average depth to water table at the Area IV Wellfield is approximately 1 foot based on soil types. SAS levels at the three Farmton Mitigation Banks were measured at piezometers installed by Miami Corporation’s consultants from 2001 through 2005. This data confirms the water table at the Area IV Wellfield is consistently close to land surface and frequently above land surface. It indicates the depth to water table is typically less than 3 feet and in many cases within a foot or two. Also, it does not matter whether any of the piezometers were located near wetlands because they show seasonal variation in water levels, where the water table changes from slightly above land surface to below land surface over the course of a year. A water table depth of 6-14 feet below land surface is not realistic at the Area IV Wellfield based on soil conditions and vegetation communities. Such a depth to water would be indicative of a landscape composed primarily of xeric scrub communities with few, if any wetlands. These types of communities do not exist near the Area IV Wellfield. Aquifer Performance Tests The flow of water through an aquifer is determined by three primary hydraulic coefficients or parameters: transmissivity; storage; and leakance. An aquifer performance test (APT) is a pumping test where water is removed from the well at a set rate for a set period of time and drawdown is measured in the well and in neighboring monitor wells to calculate the hydraulic properties of the hydrologic formation. The main hydraulic properties determined through an APT are transmissivity, leakance, and storativity. These properties are used to characterize the water production capabilities of the hydrologic formations. These properties are also used in groundwater modeling to project impacts for longer periods of time and larger distances. Aquifer parameters can be determined from an aquifer performance test using analytical "curve-matching" techniques or a groundwater flow model such as MODFLOW. Curve-matching techniques involve the creation of a curve through measurement of drawdown and the matching of that curve to standard curves derived using analytical equations. Hydraulic conductivity or “K” is the term used to describe the ability of a hydrogeologic unit to conduct fluid flow. It is usually expressed in terms of horizontal hydraulic conductivity or “Kx” and “Ky” and vertical hydraulic conductivity or “Kz.” Transmissivity is the term used to describe the rate of movement of water for a given thickness of a hydrogeologic unit. It is the hydraulic conductivity of an aquifer times its thickness. Storativity is the term used to describe the amount of water that is released from any aquifer for a given unit change in head, or the compressability of the aquifer system. This value can normally be determined during a 4-5 day aquifer performance test. Specific yield is the term used to describe the long- term capacity of an aquifer to store water. This value cannot normally be determined during a 4-5 day aquifer performance test. Leakance is the term used to describe the vertical movement of water from above or below a given unit in response to changes in head or pumpage. APTs are standard practice for evaluating the suitability of a new area for development as a wellfield. Three APTs were conducted at Test Sites 1 and 3. No aquifer performance tests were conducted at Test Site 2. Petitioners question whether the APTs for the Area IV Wellfield were conducted by BFA in accordance with the applicable standard of care in the hydrogeologic profession. The District’s expert, Richard Burklew, believes the three APTs conducted at Test Sites 1 and 3 were adequate for purposes of determining appropriate aquifer parameters. Two APTs were conducted by BFA at Test Site 1. The first test was conducted on January 30-31, 2001, when Well UF-1D was pumped at about 700 gpm or approximately 1 mgd for 44-48 hours, and Wells UF-1S and SA-1 were used as monitor wells. The second test was conducted on April 8-12, 2003, when Well UF-1D was pumped at about 700 gpm or approximately 1 mgd for 96 hours, and Wells UF-1S and SA-1 were used as monitor wells. Using several analytical curve-matching techniques, BFA calculated a transmissivity of 7,300 ft2/day and a storativity of about 0.00036 on the basis of the 2001 APT at Test Site 1. They were unable to calculate a leakance value because the drawdown data did not reasonably fit the curve- matching techniques. For that reason, BFA performed another APT at Test Site 1 in 2003. Using several analytical curve-matching techniques, BFA calculated a transmissivity of 7,300 ft2/day, a storativity of 0.00045, and a leakance of 0.00029 day-1 on the basis of the 2003 APT at Test Site 1. One APT was conducted by BFA at Test Site 3 on April 10-13, 2001. Well UF-3D was pumped at about 700 gpm or approximately 1 mgd for 70 hours, and Wells UF-3S and SA-3 were used as monitor wells. Using several analytical curve-matching techniques, BFA calculated a transmissivity of 7,450 ft2/day, a storativity of 0.0002, and a leakance of 0.00026 on the basis of the 2001 APT at Test Site 3. However, because of problems with the test, leakance was not considered a good match for the analytical techniques. Leakance values determined by BFA from the APTs conducted at Test Sites 1 and 3 were based on the application of analytical curve-matching techniques. The leakance values determined through the conventional type curve-matching techniques employed by BFA are typically higher than the actual leakance values. They are also inherently limited because they assume the calculated leakance is due entirely to the ICU rather than a combination of the ICU and MCU as is the case at the Area IV Wellfield. The analytical techniques employed by BFA were unable to calculate separate leakance values for the ICU and the MCU. The best way to determine leakance values for each of these confining units was to use a MODFLOW model and observed head difference data. This was done by the City’s consultant, SDI, and is described in greater detail, infra. In January 2004, several APTs were conducted using two SAS wells referred to as Test Sites 4 and 6. These test sites are located more than 3 miles from the Clark property. Constant rate and variable rate APTs were conducted at both sites. During the constant rate tests, 230 gpm or about 0.33 mgd was pumped from the SAS well. Using several analytical curve-matching techniques, BFA calculated a transmissivity of 2,500 ft2/day for the surficial aquifer at those locations. Water Quality Data Consistent with the general understanding of the freshwater groundwater tongue extending from Volusia into Brevard County, the TDEM performed by SDII Global indicated that the depths to the 250 mg/l and 5,000 mg/l chloride concentrations decrease as one proceeds south along the FEC ROW. For example, the depths to the 250 mg/l and 5,000 mg/l chloride concentrations were 442 feet and 542 feet, respectively, at the northernmost test site, which is somewhat north of the City’s Test Site 1. The depth to the 250 mg/l and 5,000 mg/l chloride concentrations were 406 feet and 506 feet, respectively, at the southernmost test site, which is somewhat south of the City’s Test Site 2. Sixteen water quality grab samples were collected every 20-30 feet as the test production well at Test Site 1 was drilled, beginning at 120 feet below land surface and ending at 500 feet below land surface. This type of sampling is referred to as drill-stem testing. The chloride concentrations in the samples collected from 120 feet and 480 feet below land surface were 59 mg/l and 879 mg/l, respectively. The chloride concentrations in these samples did not exceed 250 mg/l until a depth of 460 feet below land surface was reached. Six water quality grab samples (drill-stem tests) were collected every 20-30 feet as the test production well at Test Site 2 was drilled, beginning 120 feet below land surface and ending 210 feet below land surface. The chloride concentrations in the samples collected from 120 feet and 210 feet below land surface were 124 mg/l and 845 mg/l, respectively. The chloride concentrations in these samples did not exceed 250 mg/l until a depth of 180 feet below land surface. Fourteen water quality grab samples (drill-stem tests), were collected every 20-30 feet as the test production well at Test Site 3 was drilled, beginning at 120 feet below land surface and ending at 500 feet below land surface. The chloride concentrations in the samples collected from 120 feet and 500 feet below land surface were 45 mg/l and 90 mg/l, respectively. The chloride concentrations in these samples never exceeded 90 mg/l. A packer test is a procedure used to isolate a particular well interval for testing. It is performed using an inflatable packer on the drill stem, which is placed at the interval to be blocked. The packer is inflated with water or air to isolate the interval to be sampled. A packer test can be used to collect water samples for analysis. Several water quality grab samples were collected in packer tests at specific depth intervals at Test Site 1. At the interval of 331-355 feet below land surface one sample was taken with a chloride concentration of 672 mg/l. At the interval of 331-400 feet below land surface, one sample was taken with a chloride concentration of 882 mg/l. Finally, at the interval of 442-500 feet below land surface two samples were taken with chloride concentrations of 2,366 mg/l and 2,2712 mg/l. Several water quality grab samples were collected in packer tests at specific depth intervals at Test Site 3At the interval of 270-295 feet below land surface, two samples were taken with chloride concentrations of 74 mg/l and 450 mg/l. At the interval of 340-400 feet below land surface, two samples were taken with chloride concentrations of 64 mg/l and 134 mg/l. Finally, at the interval of 445-500 feet below land surface, two samples were taken with chloride concentrations of 1,458 mg/l and 2,010 mg/l. No packer test samples were collected at Test Site 2, where it was clear that water quality was too poor to be used as a fresh groundwater source. The packer test samples collected at Test Sites 1 and 3 were collected using a higher pumping rate than typically recommended by the DEP and the United States Environmental Protection Agency (EPA). Consequently, the chloride concentrations in these samples are probably higher than the chloride concentrations found in the undisturbed groundwater at those depths. Since the packer sits on top of the borehole and restricts flow from above, it generally is reasonable to assume that a packer test draws more water from below than from above the packer. However, if transmissivity is significantly greater just above the packer, it is possible that more water could enter the packer from above. Seven water quality grab samples were collected every 12 hours during the 2001 APT at Test Site 1. The chloride concentrations in the first and last grab sample were 59 mg/l and 58 mg/l, respectively. Seven water quality grab samples were collected every 12 hours during the 2001 APT at Test Site 3. The chloride concentrations in the first and last grab samples were 19 mg/l and 52 mg/l, respectively. Nine water quality grab samples were collected every 12 hours during the 2003 aquifer performance test at Test Site The field-measured chloride concentrations in the first and last grab samples were 56 mg/l and 55 mg/l, respectively. The laboratory measured chloride concentrations in the first and last grab samples were 66 mg/l and 74 mg/l, respectively. The average chloride concentration for the water samples collected during the three APTs at Test Sites 1 and 2 was about 50 mg/l. Water is composed of positively charged analytes (cations) and negatively charged analytes (anions). When cations predominate over anions, the water is said to have a positive charge balance; when anions predominate over cations, the water is said to have a negative charge balance. Theoretically, a sample of water taken from the groundwater system should have a charge balance of zero. However, in real life this does not occur because every sample contains some small trace elements that affect its charge balance. Therefore, in the field of hydrogeology, a positive or negative charge balance of 10 percent or less is accepted as a reasonable charge balance error, and this standard has been incorporated in the permit conditions recommended by the District for the City’s permit. With one exception, all the water quality samples collected by BFA from Test Sites 1-3 had an acceptable charge balance. The one exception was a sample collected from the packer interval of 270-295 feet below land surface at Test Site 3 with a chloride concentration of 74 mg/l. This sample has a positive charge balance of 32.30 percent. The sample collected from the packer interval of 270- 295 feet below land surface at Test Site 3 has an overabundance of cations probably caused by grouting and cementing of the packer prior to taking the sample. Since chloride is an anion and not a cation, any error associated with this sample would not effect the validity of the 74 mg/l chloride concentration measured in this sample. This conclusion is also supported by the fact that two samples were collected from the same well at a packer interval of 340-400 feet below land surface with acceptable charge balances and they contained chloride concentrations of 64 mg/l and 134 mg/l. The District’s experts, Richard Burklew and David Toth, believe the 450 mg/l chloride concentration measured in a sample taken from the packer interval of 270-295 feet below land surface at Test Site 3 is a faulty measurement and should be discarded as an outlier. Dr. Toth testified that the sodium to chloride ratio indicates there was a problem with this measurement, which would call into question the reported chloride value. In 2004 and 2005, the City collected SAS water quality samples from Test Sites 4 and 6 and Monitor Wells MW-1 and RW-1 near Test Site 1. The samples were analyzed for all applicable water quality standards, which might preclude use of water from the SAS extraction wells to directly augment wetlands. The analyses found that the SAS water quality near the proposed extraction wells was very similar to the SAS water quality near the Area IV production wells and that water could be applied to the wetlands without any adverse water quality consequences. Area IV UFAS Flow Patterns and Basin Boundaries Although the United States Geologic Survey (USGS) potentiometric surface maps do not show any data points in the vicinity of the proposed Area IV Wellfield, and they are not sufficient by themselves to formulate opinions regarding the future operation or impacts of the proposed wellfield, Petitioners contend that these potentiometric surface maps demonstrate that the freshwater found in the UFAS at the Area IV Wellfield is due to local freshwater recharge only and not freshwater flow from the northwest. They point to a regional report indicating that there is a groundwater basin divide just north of the Area IV Wellfield. This report is based on a 1980 USGS potentiometric surface map. However, another regional report indicates that the groundwater basin divide occurs south of the Area IV Wellfield. This report is likely based on a 1998 USGS potentiometric surface map. Because of the lack of data points in rural northwest Brevard County, the City did not rely on any groundwater basin divide maps, but rather collected site specific information regarding the proposed Area IV Wellfield. The District’s expert and the Petitioners’ own expert (the sponsor of Petitioners' potentiometric surface map exhibits) noted several errors in the flow direction arrows added by Petitioners to the maps. In addition, after reviewing the potentiometric surface maps presented by Petitioners, the District’s expert concluded that, in addition to local freshwater recharge, the predominant flow into the vicinity of the Area IV Wellfield is generally from the northwest and southwest. To confirm his opinion, the District’s expert examined the head difference data collected in July 2006. At well UF-1S, the UFAS observation well at site 1, the elevation in the well was 16.27 NGVD. At site 3, which is southeast of site 1, the elevation in the UFAS observation well was 15.68 NGVD. At site 2, which is southeast of site 3, the elevation in the UFAS well was 13.87 NGVD. Since water generally flows from the highest to lowest head measurements, these measurements indicated that water would have been flowing from the northwest to the southeast in the vicinity of Area IV. However, the potentiometric surface can change both seasonally and yearly; likewise, the basin boundaries may also change. SAS and UFAS Drawdown Predicting drawdown in the SAS and UFAS in the vicinity of the proposed Area IV Wellfield is important to several permitting criteria, including interference with existing legal uses and impacts on wetlands, both of which relate to the public interest. During the permit application review process, the City submitted a succession of models to provide reasonable assurance that the proposed Area IV Wellfield would not result in unacceptable drawdown. Initially, BFA prepared and submitted groundwater flow simulations of the Area IV Wellfield prepared using an analytical model known as the “Multi-Layer/SURFDOWN Model.” Although the District initially accepted the submission as providing reasonable assurance to support the District's initial TSR, Miami Corporation petitioned and criticized the City's model as not actually providing reasonable assurance, both because of its predicted SAS drawdown and because it was an analytical model (which can only represent simple conditions in the environment, assumes homogenous conditions and simple boundary conditions, and provides only a model-wide solution of the governing equation). By comparison, a numerical model allows for complex representation of conditions in the environment, heterogeneous conditions and complex boundary conditions, and cell-by-cell iterative solutions of the governing equation that are typically performed by a computer. Over the past 10 to 15 years, a numerical model called MODFLOW has become the standard in groundwater modeling throughout the United States and much of the world. All of the Florida water management districts utilize MODFLOW or are familiar with it, so it is a model of choice today for groundwater flow modeling. Despite Miami Corporation's petition, the City and the District maintained that reasonable assurance had been given that operation of Area IV would not result in unacceptable drawdown. Miami Corporation's petition was scheduled for a final hearing in June 2005 that was continued until September 2005 after the first revised TSR was issued in May 2005. The final hearing was continued again until February 2006 to allow discovery and hearing preparation by Vergie Clark, who filed her petition in July 2005. As the case proceeded towards a February 2006 final hearing on the pending petitions, the City eventually made what actually was its second attempt to develop a calibrated MODFLOW model of the Area IV Wellfield. Unbeknownst to the District, BFA already had attempted to develop a MODFLOW Model of the Area IV Wellfield in 2004, with the assistance of Waterloo Hydrogeologic, Inc. (WHI) (which later was retained as Petitioners’ consultant in this case in a reverse of the Hartman client switch). When BFA ended its efforts with WHI, their efforts to calibrate a MODFLOW model for Area IV that would predict acceptable drawdown was unsuccessful, and none of those modeling efforts were submitted or disclosed to the District. In the fall of 2005, the City turned to another consultant, SDI, to attempt to develop a calibrated MODFLOW Model of the Area IV Wellfield. SDI initially prepared a so- called MODFLOW model equivalent of the Multi-layer/SURFDOWN Model prepared by BFA. It was presented to District staff at a meeting held in January 2006 for the purpose of demonstrating to District staff that the MODFLOW model equivalent of the Multi- layer/SURFDOWN Model generated results for the Area IV Wellfield that were not very different from the results obtained by BFA using their Multi-layer/SURFDOWN Model. Petitioners criticized several weaknesses in the MODFLOW equivalent model and maintained that the modeling efforts to date did not give reasonable assurance of no unacceptable SAS drawdown. By this time, the District had decided to retain Dr. Peter Huyakorn, a renowned modeling expert. Based on his recommendations, the District required the City to produce a calibrated MODFLOW model of Area IV (as well as numerical solute transport modeling, which will be discussed below). The scheduled final hearing was continued until September 2006 to allow time for this work to be completed, discovered, and evaluated. After the continuance, the City had SDI prepare a calibrated MODFLOW model to predict the drawdown that would result from operation of Area IV. SDI produced such a model in March 2006. This model predicted less drawdown. Specifically, a steady-state simulation of a 2.75 mgd withdrawal from the proposed 15 UFAS production wells and a 0.18 mgd withdrawal from the four proposed SAS extraction/wetland augmentation wells predicted the maximum drawdown of the surficial aquifer to be less than 0.5 foot (which, as discussed infra, would be acceptable). (UFAS drawdown, which is not an issue, was predicted to be an acceptable 12 feet.) But Petitioners questioned the validity of the model for several reasons, including its suspect calibration. Dr. Huyakorn also had questions concerning the calibration of SDI's March 2006 MODFLOW model, but subsequent work by SDI satisfied Dr. Huyakorn and the District, which issued the TSR and proposed CUP at issue in May 2006 based in part on SDI's March 2006 MODFLOW model, despite Petitioners' criticisms. The final hearing was continued until September 2006 to give Petitioners time to complete discovery on SDI's March 2006 MODFLOW model (as well as the City's new solute transport modeling, which is discussed, infra). To calibrate its March 2006 MODLFOW, SDI first used a transient MODFLOW model to simulate data from the 4-day aquifer performance test (APT) from the Area IV Wellfield sites (the transient APT calibration). (A transient model is used to analyze time-dependent variable conditions and produces a time- series of simulated conditions.) Then, after calibrating to the APT data, SDI used a steady-state, non-pumping MODFLOW model (a time-independent model used to analyze long-term conditions by producing one set of simulated conditions) to simulate the static head difference between the SAS and UFAS (the steady- state head difference calibration). If the head difference simulated in the steady-state calibration run did not match the measured head difference, the ICU leakance was adjusted, and then the revised parameters were rechecked in another transient APT calibration run. Then, another steady-state head difference calibration run was performed in an iterative process until the best match occurred for both calibration models. In order to achieve calibration, SDI was required to make the ICU leakance value several times tighter than the starting value, which was the value derived in the site-specific APT using conventional curve-matching techniques (and relatively close to the values ascribed to the region in general in the literature and in two regional models that included Area IV near the boundary of their model domains--namely, the District's East Central Florida (ECF) model, which focused on the Orlando area to the south and west, and its Volusia model, which focused on Volusia County to the north). SDI's calibrated ICU leakance value derived from calibration to observed static head differences is more reliable than an ICU leakance value derived from an APT using conventional curve-matching techniques. That leaves a question as to the quality of the static head difference measurements used for SDI's calibration. BFA took static head measurements at SAS and UFAS monitor wells located at Test Sites 1, 2 and 3 in January 2004, April 2004, and July 2006. On each occasion, a downward head gradient was noted at each site, meaning the water table (i.e., the SAS) had a higher elevation than the potentiometric surface of the UFAS. In January 2004, the measured head difference at Test Sites 1, 2 and 3 were 6.2 feet, 5.5 feet and 5.9 feet, respectively. In April 2004, the measured head differences at Test Sites 1 and 3 were 8.1 feet and 8.1 feet, respectively. In July 2006, the measured head differences at Test Sites 1, 2 and 3 were 8.6 feet, 6.6 feet and 9.3 feet, respectively. The average of these observed head differences for the Area IV Wellfield was 7.46 feet. BFA's static head difference measurements included both wet and dry seasons. The measurements do not show significant differences between seasons and suggest that static head difference remains fairly constant at the Area IV Wellfield year round. This is typical of head difference data collected from hundreds of other Florida locations because the hydrologic systems seek equilibrium. Petitioners questioned taking an average of the head difference measurements because the region had experienced a rainfall deficit of 17 inches over the 12 months prior to time the measurements in July 2006 were taken. By itself, a rainfall deficit would not affect head difference measurements because the hydrologic system would seek equilibrium. But there was evidence of a possibly significant rainfall near Area IV not long before the July 2006 measurements. If significant rain fell on Area IV, it could have increased the static head differences to some extent. But there was no evidence that such an effect was felt by Area IV. Petitioners also contend for several other reasons that the static head differences used by SDI as a calibration target were "not what they are cracked up to be." They contend that "limited spatial and temporal extent . . . renders them inappropriate calibration targets." But while the site-specific static head difference measurements were limited, and more measurements at different times would have increased the reliability of the average static head difference used in SDI's steady-state calibration, the head difference measurements used were adequate. For a groundwater model of Area IV, they were as good as or better than the head differences used by Petitioners' expert modeler, Mr. LaFrenz of Tetratech, who relied on SAS and UFAS head levels from the regional-scale ECF model, which were measured by the United States Geological Survey (USGS) in May and September 1995. Petitioners also contended that the measured head differences used by SDI for the steady-state calibration of the March 2006 MODFLOW model were significantly higher than other measured head differences in the general vicinity of Area IV. One such location is Long Lake, which has saltwater and an obviously upward gradient (i.e., a negative head difference between the SAS and UFAS), whereas SDI's MODFLOW depicts it as having a five-foot downward gradient (positive head difference). However, all but one of those measurements (including from Long Lake) were from locations five or more miles from Area IV. In addition, the accuracy of the measurements from the closer location (and all but one of the more distant locations) was not clear, so that the seemingly inconsistent head differences measurements may not be indicative of actual inconsistency with the head difference measurements used by SDI. Petitioners also accused the City and its consultants of "playing games with specific yield" to achieve calibration with a tighter-than-appropriate ICU leakance value. But the City and the District adequately explained that there was no merit to the accusations. It was appropriate for SDI to use just the relatively small specific storage component of SAS storativity (the 0.001 value) in its transient calibration runs, instead of the larger specific or delayed yield component. Storativity is not utilized at all in the MODLFOW steady-state calibration runs and steady-state simulations. Based on the foregoing, it is found that Petitioners' factual disputes regarding SDI's calibrated ICU leakance value do not make the City's assurance of no unacceptable drawdown provided by its MODFLOW simulations unreasonable. That leaves several other issues raised by Petitioner with regard to the SDI's March 2006 MODFLOW model. In calibrating its MODFLOW model, SDI utilized a value for the MCU leakance that was twice as leaky as the published literature values for the area, which Petitioners claim would reduce simulated SAS drawdown. Although the use of a higher MCU leakance value in the model may result in a prediction of less SAS drawdown, the actual effect, if any, on the predicted drawdown, was not made clear from the evidence. In any event, an MCU leakance value for Area IV calibrated to site-specific data is more reliable than regional values. Petitioners also accused the City and its consultants of using inappropriate or questionable boundary conditions, topography, and depth to the water table. They also contend that incorrect topography--namely, a nonexistent five-foot ridge or mound northwest of Area IV--provides an artificial source of water for SDI's March 2006 MODFLOW model. But the boundary conditions for SDI's March 2006 MODFLOW model were clear from the evidence and were appropriate; and SDI's topography and water table depth were reasonably accurate (and on a local scale, were as or more accurate than the USGS topographic maps Petitioners were comparing). Besides, Dr. Huyakorn ran the Tetratech model with SDI's leakance value instead of Tetratech's value and got virtually the same drawdown results, proving that differences in topography between the two models made virtually no difference to the drawdown predictions of either model. As for the so-called "flow from nowhere," particle-tracking simulations conducted by experts from both sides established that, with pumping at 2.75 mgd, no water would enter the Area IV production zone from anywhere near the five-foot ridge area for at least 100 years. This gave reasonable assurance that the five-foot ridge or mound had no effect on the simulated results from SDI's March 2006 MODFLOW model. Petitioners also contend that the City's failure to simulate drawdown from pumping during the dry season, as opposed to a long-term average of wet and dry seasons, constituted a failure "to provide reasonable assurances as to the conditions that can be expected as a result of the anticipated operation of the wellfields." But the evidence was clear that long-term, steady-state groundwater model simulations are appropriate and adequate to provide reasonable assurance for CUP permitting purposes. See "Drawdown Impacts," infra. By definition, they do not simulate transient conditions such as dry season pumping. The SDI model predicts a maximum drawdown, from a 2.75 mgd withdrawal from all fifteen UFAS production wells and a 0.18 mgd withdrawal from the four SAS extraction wells, of slightly less than 0.5 feet in the SAS and of 12.0 feet in the UFAS in the immediate vicinity of the Area IV Wellfield. SDI’s model predicts a drawdown of 0.11 feet (approximately 1 inch) in the SAS and a drawdown of 2.2 feet in the UFAS at Ms. Clark’s property, which is located approximately 1 to 1.5 miles north of the Area IV Wellfield. It is found that SDI's March 2006 MODFLOW model for Area IV is the best such model in evidence. That is not to say that the drawdown predicted by SDI's model is a certainty. The other models were not proven to be better than SDI's, but they did demonstrate that simulated results would vary significantly in some cases if SDI's calibration and calibrated ICU leakance values were incorrect. Having more good hydrologic information would have made it possible to reduce the uncertainties present in SDI's model, but it is found that SDI's March 2006 MODFLOW model was sufficient to give reasonable assurance as to SAS and UFAS drawdown from pumping at 2.75 mgd from the UFAS and 0.18 mgd from the SAS for wetland augmentation. Drawdown Impacts As indicated, once drawdown is predicted with reasonable assurance, both interference with existing legal uses and impacts on wetlands, which relate to public interest, must be evaluated. Interference with Legal Uses Using SDI's March 2006 MODFLOW model, the City gave reasonable assurance that the drawdown predicted from pumping at 2.75 mgd from the UFAS and 0.18 mgd from the SAS for wetland augmentation will not interfere with existing legal users. The nearest existing legal users are located about one mile northwest and two miles east/southeast of the nearest proposed production well. The City’s MODFLOW modeling scenarios indicate that maximum drawdown in the SAS will be less than 0.5 feet and minimal (at most 2.2 feet) in the UFAS at the nearest active existing legal users. Obviously, drawdown would be much less at 0.5 to 0.75 mgd from the UFAS (with probably no wetland augmentation required). As indicated, the drawdown predicted by SDI's March 2006 MODFLOW model is not a certainty. Although not likely based on the more persuasive evidence, if actual drawdown approximates the drawdown predicted by the Tetratech model, there could be interference with existing legal users. (The Tetratech model predicts that the long-term average reduction in the water table of approximately 1.6 feet of drawdown near the center of the wellfield and drawdown of 0.4 feet to 0.5 feet extending out more than a mile from the proposed Area IV Wellfield.) There probably still would be no interference with existing legal users with pumping at 0.5 to 0.75 mgd from the UFAS (with probably no wetland augmentation required). In the event of that much actual drawdown and unanticipated interference from the City’s pumping, “Other Condition” 15 of the proposed permit requires that it be remedied. See Finding 36, supra. There is no reason to think such interference could not be remedied. Environmental Impacts from Drawdown Miami Corporation’s property in the vicinity of the proposed Area IV Wellfield is a mosaic of pine flatwoods uplands interspersed with wetlands. The wetlands are mostly cypress swamps, with some areas of hardwood swamp, marshes, and wet prairies. Miami Corporation's property is managed for timber and is also used for cattle grazing and hunting. Miami Corporation has constructed a network of roads and ditches on its property, but overall the wetlands are in good conditions. The areas east and west of the proposed Area IV Wellfield consist of cypress strands, which are connected wetlands. Compared to isolated wetland systems, connected wetlands are typically larger, deeper, and connected to waters of the state. They tend to have hardwood wetland species. Connected wetlands are less vulnerable to water level changes brought about by groundwater withdrawals because they tend to be larger systems and have a greater volume of water associated with them. They are able to withstand greater fluctuations in hydroperiods than isolated herbaceous wetland systems. Isolated wetland systems are landlocked systems. They tend to be smaller in size and shallower than connected wetland systems. Isolated systems tend to be more susceptible to changes in hydrology than larger connected systems. The upland plant communities present near the proposed Area IV Wellfield include pine flatwoods that have been altered by Miami Corporation's timber operations. There is a large area surrounding the Area IV Wellfield to the north that consists of forest regeneration after timbering. There was evidence of the presence of the following listed animal species at the site of the proposed Area IV Wellfield: wood storks, roseate spoonbills, ibis, bald eagles, Sherman fox squirrels, American alligator, sandhill cranes, wood storks, black bear, and indications of gopher tortoises. The habitat in the vicinity also supports a number of other listed species that were not observed. The following listed plants species were also observed during the environmental assessment and site visits: hooded pitcher plants, water sundew, pawpaw and yellow butterwort. Ms. Clark’s property adjoins a cut-over cypress swamp on the western side of her property, and there is also a small man-made fish pond in her backyard. Some clearing has taken place in the wetland system on the back portion of Ms. Clark’s property. What appears to be a fire break on Ms. Clark’s property encroaches upon the wetland system. The wetlands on Ms. Clark’s property have experienced some human activities such as trash dumping and clearing, which have resulted in a degradation of those systems. Some trees within the wetland systems on the back portion of Ms. Clark’s property have been logged. For the most part, the hydrology appears to be normal. However, some invasive species have encroached upon the system due to the clearing that has taken place. There was no evidence of listed plant or animal species present on Ms. Clark’s property. If drawdown is of the magnitude predicted by the SDI's March 2006 MODFLOW model, unacceptable environmental impacts from drawdown would not be anticipated. At 0.5 or 0.75 mgd, there clearly would not be any unacceptable environmental impacts. In addition, “Other Condition” 12 of the proposed permit requires the City to perform extensive environmental monitoring. The environmental monitoring plan proposed for the Area IV Wellfield provides reasonable assurance that changes to wetland hydrology and vegetation due to groundwater withdrawals will be detected before they become significant. “Other Condition” 12 of the proposed permit prohibits the City from pumping any water from the production wells until the monitoring network is in place. The baseline monitoring will give a clear indication of the existing conditions prior to the production wells coming on-line. Once the production wells are online, the City will continue the same procedures that they conducted prior to the production wells coming online. This will allow the City and the District to monitor the effects of pumping. The City’s proposed environmental monitoring plan is adequate to detect drawdown impacts and is consistent with environmental monitoring plans that have been developed for other wellfields throughout the State of Florida. Since the City has given reasonable assurance that there will not be environmental harm from drawdown, the proposed permit does not propose mitigation. If unanticipated harm is detected, “Other Condition” 24 of the proposed permit requires the City to implement an avoidance and minimization plan to rehydrate the wetlands and restore the water levels to normal levels and natural hydroperiods by augmenting the water in the affected wetlands with water pumped from SAS wells and piped to the affected wetlands. “Other Condition” 24 includes specific timeframes for implementing wetland rehydration in the event unanticipated impacts were to occur. In addition, the City could, on its own, change its pumping schedules. If an impacted wetland is near a particular well, the City could reduce or shut off water withdrawals from that well and thereby restore water levels in the wetland. Direct augmentation of wetlands has been used at other facilities such as those of Tampa Bay Water and Fort Orange. The direct augmentation at these other sites appears to be effective. Direct augmentation of wetlands has proven to be a feasible means of offsetting adverse changes in wetlands due to groundwater withdrawals, at least in some circumstances. There is a viable source of water that can be utilized to augment these wetland systems, namely a large canal south of the production wells. Based on the predicted drawdown, SDI estimated the quantity of water needed for implementation of the avoidance and minimization plan to be 0.18 mgd. The water quality in the canal is comparable to the water quality within any wetland systems that would be affected by drawdown. The City plans to have its augmentation plan in place prior to the production wells coming online. In that way, if changes are observed within the wetland systems, the augmentation plan could be implemented in relatively short order to alleviate any impacts that might be occurring as a result of the production wells. The success of the augmentation plan depends on the extent of actual drawdown. If actual drawdown approximates Tetratech's predictions, environmental impacts would not be acceptable, and there would not be reasonable assurance that the augmentation plan would be sufficient to mitigate the environmental impacts. If drawdown is of the magnitude simulated in the City’s MODFLOW model, reasonable assurance was given that, if needed, the avoidance and minimization plan developed for the Area IV Wellfield would be capable of offsetting any adverse changes in wetlands and other waters detected through the environmental monitoring plan. If the City pumps not more than 0.75 mgd, the avoidance and minimization plan developed for the Area IV Wellfield probably would be unnecessary but certainly would be capable of offsetting any adverse changes in wetlands and other waters that would be detected through the environmental monitoring plan. If unanticipated environmental harm occurs due to excessive actual drawdowns, and the harm cannot be avoided either by the augmentation plan or by altering the pumping schedule, or both, the District can revoke all or part of the permit allocation under “Other Condition” 23. This ability gives reasonable assurance that no unacceptable environmental harm will occur even if actual drawdown approximates Tetratech's predictions. Saltwater Up-coning and Intrusion Predicting saltwater movement towards the production zone of the proposed Area IV Wellfield is important to several permitting criteria, including interference with existing legal uses and the ability of the resource to provide the requested allocation of freshwater, both of which relate to the public interest. During the permit application review process, the City submitted a succession of models to provide reasonable assurance that the proposed Area IV Wellfield would not result in unacceptable saltwater intrusion. Initially, BFA prepared and submitted solute transport simulations using an analytical model known as the “UPCONE Model.” The District initially accepted the submission as providing reasonable assurance to support the District's initial TSR. Despite Miami Corporation's petition, the City and the District maintained that reasonable assurance had been given that operation of Area IV would not result in unacceptable saltwater intrusion based on the "UPCONE Model." As indicated, supra, Miami Corporation's petition was scheduled for a final hearing in June 2005, but the hearing was continued until February 2006. As the case proceeded towards a final hearing in February 2006, the City not only turned to SDI to develop the numerical MODFLOW model, it also turned to SDI to develop a numerical solute transport model that would couple the MODFLOW groundwater flow equations with advection dispersion solute transport equations to simulate the movement of variable density saline groundwater in response to stresses. In addition to the initial boundary conditions, aquifer parameters and stresses specified for a groundwater model, a solute transport model requires solute parameters such as chloride concentrations, dispersivity and effective porosity. SEAWAT is a solute transport model code that combines the MODFLOW, which provides the groundwater flow component, with the MT3DMS code, which provides the mass transport component. When coupled with MODFLOW, the MT3DMS code tracks the movement of variable density water and performs internal adjustments to heads in the flow model to account for water density. Like MODFLOW, SEAWAT is capable of simulating the important aspects of the groundwater flow system, including evapotranpiration, recharge, pumping and groundwater flow. It also can be used to perform both steady-state or transient simulations of density- dependent flow and transport in a saturated zone. It was developed in the late 1990s and is rapidly becoming the standard for solute transport modeling throughout the United States. It is used by many water management agencies in the State of Florida. Initially, SDI used SEAWAT version 2.1 to simulate movement of saline water towards the Area IV Wellfield. The first such simulation was prepared in March 2006 using manually- adjusted head values along the eastern model boundary. It incorporated SDI's March 2006 MODFLOW model. The District, in consultation with Dr. Huyakorn, required SDI to perform what was termed a "sensitivity run" with reduced chloride concentrations in the eastern boundaries (5,000 mg/l versus 19,000 mg/l) to better match actual measurements recorded in wells in the vicinity. In April 2006 SDI prepared and submitted those simulations. After reviewing the March and April 2006 SEAWAT 2.1 simulations, Petitioners' consultants criticized the manner in which starting chloride concentrations in the vicinity of the Area IV Wellfield were input into the models. In those models, SDI had input initial chloride concentration at 50 mg/l throughout the depth of the UFAS. The model was then run for 100 years with no pumping to supposedly arrive at a reasonable starting chloride concentration for the UFAS. Then, the model was run for 25 years with pumping at 2.75 mgd. However, the initial chloride concentrations at the beginning of the pumping run still did not comport well with actual measurements that were available. After Petitioners raised the issue of the starting chloride concentrations assigned to the UFAS in SDI's March and April 2006 SEAWAT 2.1 runs, the final hearing was continued until September 2006 to give Petitioners time to complete discovery on those models (as well as on SDI's March 2006 MODFLOW model, as discussed supra). During a deposition of Dr. Huyakorn in July 2006, he recommended that the District require SDI to perform another simulation (also termed a "sensitivity run") using starting chloride concentrations more closely comporting with known measurements. (There also were some changes in the constant chloride concentrations that were part of the boundary conditions on the western side of the model domain.) This resulted in SDI's early August 2006 SEAWAT 2.1 simulation of 15 years of pumping at 2.75 mgd. Petitioners also criticized the City for not using a newer version of SEAWAT, called SEAWAT 2000, as well as for using chloride concentrations as inputs for its SEAWAT 2.1 model simulations instead of total dissolved solids (TDS). (SEAWAT 2.1 required input of TDS, not chlorides; SEAWAT 2000 allowed chlorides to be input. Not until the last day of the final hearing was it pointed out by Dr. Huyakorn that using chlorides instead of TDS caused SDI's SEAWAT 2.1 simulations to over- predict saltwater intrusion.) As a result of Petitioners' criticisms, the City had SDI re-run both the April and early August SEAWAT 2.1 models in late August 2006 using SEAWAT 2000 (which the City and the District also termed "sensitivity runs.") Because the SEAWAT 2000 simulations would be time- barred from use in the City's case-in-chief under pre-hearing requirements, and whether they could be used in rebuttal could not be determined at that point in time, the City requested another continuance, this time until December 2006, to give Petitioners time to discover the SEAWAT 2000 model simulations. During Petitioners' discovery of SDI's August SEAWAT 2000 model simulations, it came to SDI's attention that SDI was not calculating mass outputs from the model correctly. Those errors were corrected by SDI in September 2006. SDI's corrected August 2006 SEAWAT 2000 simulation predicted that, after 15 years of pumping at 2.75 mgd, the chloride concentration in the Area IV production wells would increase from 54 mg/l to 227 mg/l. After the 15-year pumping run, SDI's corrected August 2006 SEAWAT 2000 simulation predicted that the chloride concentration in several of the southernmost production wells would exceed 250 mg/l. At 17.5 years of the pumping run simulation, the simulation predicted that the entire wellfield would have chlorides in excess of 250 mg/l. That prediction does not, however, mean the chloride concentration in these wells will exceed 250 mg/l in actual operation. The SDI model contains several conservative assumptions that magnified the potential chloride concentrations in those wells. First, it was assumed all the production wells would be drilled to 250 feet below land surface, while the City will likely drill the southernmost wells to a shallower depth. Additionally, the wellfield production rate used in the model was not optimized for water quality. Finally, the model was not set up to simulate a wellfield operation plan that turned wells on and off based on the saline water monitoring plan. For the sake of simplicity, the model assumed that all the wells would operate 24 hours a day, 7 days a week, for the entire 15 year period. Petitioners continued to maintain for several reasons that SDI's SEAWAT models do not provide reasonable assurance that operation of the Area IV Wellfield will not result in unacceptable saltwater intrusion. Chlorides versus TDS Petitioners criticized SDI's corrected SEAWAT 2000 model for still not inputting chlorides correctly. While SEAWAT 2000 allows the input of chlorides instead of TDS (and input of chlorides instead of TDS is recommended since chloride is a more stable chemical than some of the other components of TDS), they must be input correctly. However, while Petitioners demonstrated that the chlorides were not input correctly, causing the model to under-calculate fluid density, Dr. Huyakorn clarified in rebuttal that under-calculating fluid density caused SDI's SEAWAT 2000 models to over-predict saltwater intrusion into the wellfield. Starting Chloride Conditions Petitioners continued to question the representation of initial chloride concentrations in the SEAWAT models. SDI's SEAWAT models included multiple vertical grid layers to represent conditions better than the layering used in the MODFLOW set-up. The SAS was represented by layer 1, the ICU by layer 2, the UFAS by layers 3 through 14, the MCU by layer 15, and the LFAS by layers 16 and 17. SDI used a chloride concentration of 0 mg/l for the SAS and ICU in its August 2006 SEAWAT model, which probably does not represent the actual initial condition but is probably close enough since the SAS is recharged by rainfall that typically has very low (1 to 2 mg/l) chloride levels. SDI used a chloride concentration of 2,500 mg/l for the MCU and a chloride concentration of 5,000 mg/l for the LFAS in its August 2006 SEAWAT model, which are reasonable initial chloride values for the Area IV Wellfield. To develop the initial chloride concentration conditions of the UFAS for its August 2006 SEAWAT model, SDI first plotted the available water quality data (63 well-data points) on a map of the Area IV Wellfield area. After examining the distribution of the data, SDI divided the UFAS into two layers to represent the upper UFAS (above –200 feet NGVD) and the lower UFAS (below –200 feet NGVD). Then, using various scientific studies containing chloride concentration maps, groundwater recharge/discharge maps (recharge indicating an area is more likely to have low chlorides in the UFAS and discharge indicating an area is more likely to have high chlorides), and maps showing the shape and extent of the freshwater lens in the area, plus SDI’s own knowledge of groundwater flows and expected higher chloride concentrations along the coast and St. Johns River, SDI used scientifically accepted hand-contouring techniques to represent the initial chloride concentration conditions of the upper and lower UFAS on maps. SDI’s two hand- contoured chloride concentration maps were reviewed and accepted by the District’s experts and reflect a reasonable representation of the initial chloride concentration conditions in the UFAS in the Area IV Wellfield. Using the two hand- contoured chloride concentration maps, SDI input the chloride concentration values from those maps into its August 2006 SEAWAT model. The chloride concentration values from the upper UFAS map were input into layers 3 through 7 of SDI’s August 2006 SEAWAT model. The chloride concentration values from the lower UFAS map were input into layers 11 through 14 of SDI’s August 2006 SEAWAT model. SDI input the average of the chloride concentration values from the upper and lower UFAS layers into the middle UFAS (layers 8 through 10). It is appropriate to average the chloride values between the upper and lower UFAS in the Area IV Wellfield because the saline water interface is not that sharp and occurs near the bottom of the UFAS (unlike conditions 11 miles to the south). Petitioners accuse SDI, the City, and the District of ignoring unfavorable chloride data in setting up its August 2006 SEAWAT 2000 model. The evidence was that all chloride data was considered and evaluated. Mr. Davis and the District's experts did not rely on the 450 mg/l chloride packer test measurement taken from the interval between 270 and 295 feet at Test Site 3 in preparing the contour maps of the UFAS because the chloride measurement was deemed inaccurate because the sodium to chloride ratio is out of balance. Mr. Davis and the District's experts did not utilize the 2,336 mg/l and 2,717 mg/l chloride concentration packer test measurements at 442-500 feet below land surface at Test Sites 1 and 3 to prepare the chloride contour maps for the UFAS because they believed these measurements from the MCU. Mr. Davis and the District's experts deemed it inappropriate to utilize a 845 mg/l chloride value reported for Test Site 2 to prepare the chloride contour for the lower portion of the UFAS because this sample was collected at just 210 feet below land surface and because a 500 mg/l contour line separates a 882 mg/l measurement at Test Site 1 from a 134 mg/l measurement at Test Site 3. The decision not to include the Test Site 2 data also is supported by the particle tracking modeling prepared by the Petitioners and the City using the groundwater component of the SDI SEAWAT model and the TetraTech model, which show that water from Test Site 2 will not enter the Area IV production wells for at least 100 years with pumping at 2.75 mgd. The chloride contour maps developed by Mr. Davis and the District experts were consistent with previous studies conducted by the USGS and the District in the region. For example, the chloride contours shown on City Exhibit 142 for the upper portion of the UFAS are generally consistent with Figure 35 of the 1990 USGS Report by Charles Tibbals and Figure 15 of the 1999 District Report by Toth and Boniol. The two chloride contour maps developed by Mr. Davis and the District's experts are a reasonable representation of the existing water quality of the UFAS in the region of the Area IV Wellfield based on the available data. Mr. Davis used the 882 mg/l chloride concentration packer test measurement from the interval between 331 and 400 feet at Test Site 1 as the starting chloride concentration in four grid cells at the bottom of the UFAS, which Petitioners' experts referred to as a "pinnacle" or "column," that were assigned a chloride value of 700 mg/l. While the representation may not have been realistic, and the "pinnacle" or "column" quickly "collapses" when the model begins to run, the representation was a concession to the existence of the datum even though it appeared at odds with water quality collected from a packer test at Test Site 3 at the same depth interval, which was much fresher. District staff agreed with Davis’ approach to representing the saltier packer test measurement from Test Site 1. The initial chloride concentrations developed for the UFAS by Mr. Davis and District staff are not inconsistent with the water quality data collected by the Petitioners’ consultants from Long Lake. The lake is located in an area of the map where the chloride concentration in the UFAS, which discharges into the lake at that location, is between 1,000 and 5,000 mg/l. Mr. Davis decided not to use 2,000 mg/l to represent the bottom layer of the UFAS even though the bottom packer tests performed at Test Sites 1 and 3 showed an average value of 2,000 mg/l at the approximate boundary of the UFAS and the MCU. Instead, he decided to associate this chloride concentration with the MCU because even if the packer had penetrated a portion of the UFAS, he did not believe the measurement was representative of static water quality conditions at that depth. The packers had been pumped for over 4 hours at 25 gpm at Test Site 1 and over 4 hours at 85 gpm at Test Site 3, which could have doubled or tripled the static chloride concentration. As was later shown in sensitivity runs by Petitioners' expert, Dr. Guo, if SDI had incorporated the 2,000 mg/l value at the bottom of the UFAS, the model simulation would have shown unrealistically high initial chloride concentrations in the production wells at the start of pumpage when compared to the water quality measured during the APTs conducted at Test Sites 1 and 3. (While only one well was pumping at a time, versus the 15 in the model simulations, the single APT well was pumping at approximately three times the rate of the 15 wells in the model simulation.) Based on all the evidence, it is found that the chloride concentrations used in SDI’s August 2006 SEAWAT model reflect a reasonable representation of the initial chloride concentration conditions in the UFAS in the Area IV Wellfield and were properly input into that model using an appropriate method. Location of the MCU Related to the last point is Petitioners' claim that the top of the MCU (i.e., bottom of the UFAS) is incorrectly represented in SDI's SEAWAT models at 450 feet below sea level (approximately 425 feet below land surface). They point to literature values indicating that the depth to the MCU is up to 150 feet greater. However, these reports did not include site- specific data or test wells in the vicinity of the Area IV Wellfield or in northern Brevard County. It was reasonable to consider and rely on site-specific information regarding the depth to the MCU in this case. BFA determined the approximate location of the MCU by examining cuttings collected during drilling at APT well sites 1 and 3 and by measuring various properties of the aquifer with down-hole geophysical techniques. Based on the site-specific information obtained, the depth to the MCU was determined to be approximately 450 to 475 feet below land surface or –425 to -450 feet NGVD. The lithologic log for well site 1 indicates the presence of gray/tan limestone between 450 to 460 feet below land surface and light/gray limestone and dolomitic limestone from 460 to 470 below land surface. The lithologic log for well site 3 indicates the presence of tan dolomitic limestone from 450 to 460 feet below land surface and tan limestone and dolomitic limestone from 460 to 470 feet below land surface. According to Petitioners' own expert, Dr. Missimer, the change to a mixture of limestone and dolomite is evidence of the MCU. After examining the video log for well site 1, Dr. Missimer noted a “lithologic change” at 477 feet below land surface (while still disputing BFA's conclusion that the MCU started there.) One characteristic of the MCU is a lower resistivity. At well site 1, a reduction in resistance occurred at approximately 470 feet below land surface. Another characteristic of penetrating the MCU is decrease in flow. The flow meter log for well site 1 suggests a decrease in flow at approximately 450 feet below land surface. On the other hand, it also is true that wells drilled completely into the MCU probably would not produce more than approximately 5 gallons per minute (gpm), whereas the packer test at the bottom of Wellsite 1 was yielding 25 gpm, and the packer test at the bottom of Wellsite 3 was producing 85 gpm. It is possible that the bottom packers were open to both the UFAS and the MCU, which could explain the higher flows. Petitioners maintain that BFA stopped drilling too soon (500 feet below land surface, or 475 feet below sea level) to ascertain the actual depth to the MCU. While it is true that drilling deeper would have made BFA's determination as to the depth to the MCU more convincing and certain, BFA's approximation of the depth to the MCU was reasonable for purposes of SDI's SEAWAT model. To the extent that BFA might have been wrong on the depth to the MCU, there was no convincing evidence that the error would have made SDI's SEAWAT model results unreliable. To the contrary, Dr. Huyakorn testified that, even if SDI put the MCU 75 feet too high, the label given to the interval is not critical to the reliability of the modeling results. More important are the parameters for transmissivity and leakance assigned to aquifers and confining units. Dr. Huyakorn testified that, given the aquifer parameters assigned to the intervals, SDI's SEAWAT modeling results would be reasonably reliable. Saline Movement Impacts As indicated, once chloride concentration changes are predicted with reasonable assurance, both interference with existing legal uses and the ability of the resource to provide the requested allocation of freshwater, which relate to public interest, must be evaluated. Significant saline water intrusion is defined as saline water encroachment which detrimentally affects the applicant or other existing legal users of water, or is otherwise detrimental to the public. (Rule 9.4.2, A.H.). Saline water may encroach from upconing or the vertical movement of saline water into a pumping well, and it may encroach laterally to the well from a saline waterbody like the ocean. The proposed use associated with the four surficial aquifer extraction wells is so minimal that it clearly would not cause saline water intrusion or harm the quality of this proposed source of water. The focus of attention is the production wells. The evidence was sufficient to provide reasonable assurance that the proposed consumptive use from the Area IV Wellfield will not cause significant saline water intrusion; further aggravate currently existing saline water intrusion problems; induce significant saline water intrusion to such an extent as to be inconsistent with the public interest; or harm the quality of the proposed source of water. First, the long-term constant rate pump tests, which were conducted as part of the APT, give some indication of the potential for saltwater intrusion. While only one well was pumping during the tests, water quality did not degrade at pumping rates that far exceeded what would be approved as part of the proposed permit. During four-day pump tests in which the wells at sites 1 and 3 were pumped at approximately 1 mgd, chlorides never exceeded approximately 74 mg/l. Second, while (as with drawdown predicted by the groundwater flow modeling) saltwater movement predicted by the City’s SEAWAT simulations is not a certainty, the simulations gave reasonable assurance that the requested allocation could be withdrawn from the Area IV Wellfield without excessive changes to water quality (specifically chlorides) and that there is an adequate thickness of freshwater at the Area IV Wellfield that could supply the requested allocations of water for 15 years without saline water intrusion, especially since it is unlikely that a number of the wells will actually be constructed to the 250-foot depth assumed in the model, particularly as one moves south along the railroad right-of way. Third, it is even more unlikely that saltwater intrusion will occur before the proposed permit expiration in 2010. Due to the time required to construct the facility, it is anticipated that the Area IV Wellfield will become operational in 2009. Assuming the City seeks to renew the permit, there would be more information on saltwater intrusion for the District to consider on permit renewal. Since the City provided reasonable assurance as to its proposed withdrawals from Area IV, there clearly is reasonable assurance that withdrawal of not more than 0.75 mgd from Area IV would not result in significant saline intrusion. The TSR includes proposed “Other Condition” 11 which requires the installation of saline monitor wells. The spatial distribution of these wells is such that the beginning of water quality degradation or saltwater intrusion, either from upconing or lateral intrusion, would not occur without it being detected by these wells. In addition to these monitor wells, proposed “Other Condition” 14 requires water quality samples to be collected from each production well. These wells are to be sampled quarterly for a suite of parameters, including chlorides. “Other Condition” 25 is proposed as a “safety net” should unanticipated saltwater intrusion occur. If any production well shows a concentration of 250 mg/l chlorides, then this proposed condition would prohibit further use of the well until the chloride concentration drops. If the monitoring shows a chloride concentration in a production well of 200-to- 249 mg/l, the well will be placed on restricted use. A production well may be placed back into regular service once the chloride concentration in the well is below 200 mg/l. Other Issues Other issues raised and maintained by Petitioners in this case include: whether the City has provided reasonable assurance that it owns or controls the property upon which the proposed wellfield will be located; whether the Area IV Wellfield is an economically feasible option; whether the City has provided reasonable assurance that it will be able to implement the project before the expiration date of the proposed permit; whether the proposed CUP is inconsistent with the District's designation of Priority Water Resource Caution Areas; whether the proposed CUP constitutes an impermissible modification of the existing CUPs for Areas II and III; and whether the City failed to pay the appropriate permit fee. Ownership or Control The City has obtained an easement from the Florida East Coast Railway (FEC) to use FEC right-of-way for the City's proposed production wells. It does not yet have ownership or control of land needed for all wetland and saline monitoring sites, or for wetland augmentation if necessary, but intends to acquire the right to use all land needed through negotiation or exercise of eminent domain. Petitioners contend that the FEC easement is insufficient for several reasons: the easement is "without warranty or covenants of title of any kind"; it is impossible to define the precise boundaries of the easement because the easement is defined in terms of distance from the center of a railroad bed that existed in 1866 but no longer exists; and the precise location of proposed production wells is not definite. While the easement is "without warranty or covenants of title of any kind," the evidence is that, if contested, the precise boundaries of the easement would be difficult but not necessarily impossible to define. It is reasonable to anticipate that at least Miami Corporation will contest the legality and extent of the FEC easement. Petitioners allege that there is confusion about the location of the proposed wells because some well locations identified in the City’s permit application did not match the coordinates assigned to certain production wells on the District’s on-line database. Actually, there is no confusion regarding the location of the wells; the well locations identified in the permit application were the well sites used for modeling purposes and for review of the application. District staff explained that the well site locations identified in the District’s database would be finalized after the wells are constructed and the exact locations have been identified using GPS technology. Contrary to Petitioners' contentions, the District’s rules do not require that an applicant own the property where the proposed production wells or monitoring wells are to be located. The District has issued many CUPs where either the subject property or the property associated with the monitoring requirements of the permit are not owned by the applicant. Recent examples include the CUPs for Orange County Utilities and the Orlando Utilities Commission. This makes sense when the applicant has the power of eminent domain or some other credible means of obtaining necessary ownership or control, such as an option contract. The District’s permit application form has a section that requires the applicant to identify who owns or controls the land on which the facility will be located. The District uses this information for noticing and contact information. Contrary to Petitioners' contentions, this section of the permit application form is not intended to create a substantive permitting standard requiring property ownership before a consumptive use permit can be issued. Petitioners argue that proof of ownership or control is necessary to determine whether a drawdown from a proposed water use will adversely affect stages or vegetation on lands other than those owned, leased, or otherwise controlled by the applicant. However, the evidence was that these impacts can be assessed based on the facts of this case. The City's need to eventually obtain ownership or legal control to exercise the rights granted by the proposed CUP may be problematic in this case and is a factor to be considered in the next two issues raised and maintained by Petitioners: whether the Area IV Wellfield is an economically feasible option; and whether the City has provided reasonable assurances that its project can become operational before the expiration date of the proposed permit. But it is not a reason to automatically deny the City's proposed CUP. Economic Feasibility Petitioners argue that the proposed Area IV Wellfield is too expensive and that the expense should be a factor in deciding whether it is in the public interest. But cost to the City is not a factor in determining whether to issue the CUP proposed in this case. Statutes and rules cited by Petitioners on this point do not apply to this CUP determination. See Conclusions of Law 277-279, infra. Implementation Before Expiration Date Litigation of a case filed by Miami Corporation to contest the legality and extent of the City's FEC easement will add to the (cost and) time necessary to implement the project. This additional time was not specifically taken into account by the City in estimating the time it would take to implement the project. The (cost and) time for litigation of the legality and extent of the City's FEC easement could be spared by exercising eminent domain instead. That probably would add to total the cost of eminent domain but might not add appreciably to the time necessary for acquisition of required ownership or control. In an imprecise way, the time for eminent domain proceedings necessary to gain ownership or control of land for monitoring sites and wetland augmentation (without time for litigation of a contest over the legality and extent of the FEC easement, or for using eminent domain instead) was factored into the time estimated for implementation of the project. With this rough estimate, the evidence was that the project could be expedited and completed in 33 months from issuance of a CUP. It is possible but not probable that the project could be implemented in less than 33 months. It is possible and more probable that it will take longer than 33 months to implement the project. In a worst case scenario, it could take as much as 59 months complete the project. But 33 months is a reasonable, if optimistic, estimate (without time for litigation of the legality and extent of the FEC easement, or for using eminent domain instead). As found, the proposed CUP expires at the end of 2010. Given the 33-month estimate for implementation (without time for litigation of a contest over the legality and extent of the FEC easement), the CUP would have to be issued by March 2008 to be completed before expiration. Given that estimate, it would be in operation for six months before expiration. It is likely that the City will apply to renew both the existing CUP for Areas II and III and the proposed CUP for Area IV. It appears from Petitioners' Response to the other PROs that one purpose for their arguments that the proposed CUP for Area IV cannot be implemented before its expiration is to buttress their arguments, already addressed, that there is no need for the proposed CUP for Area IV. Priority Water Resource Caution Area Designation As part of its water supply planning process, the District designates priority water resource caution areas. A priority water resource caution area is an area where existing and reasonably anticipated sources of water and water conservation efforts may not be adequate to supply water for all existing legal uses and anticipated future needs and to sustain the water resources and related natural systems. The area surrounding the Area IV Wellfield was designated as a priority water resource caution area in the District’s 2003 Water Supply Assessment and 2005 Water Supply Plan based on groundwater modeling prepared by District planning staffing using the ECF and Volusia County Regional Models. The fact the Area IV Wellfield is located in a priority water use caution area does not mean a consumptive use permit cannot be issued for this facility. In fact, over one- third of the District is located within a priority water resource caution area, and permits continue to be issued in those areas. Rather, the essence of the designation is the recognition of a concern, based on the regional models, that the proposed consumptive use of water might violate the wetland and lake constraints and that water resources other than fresh groundwater will be needed to supply the expected need for water in the area and in the District over the next 20 years. That does not mean that no additional groundwater withdrawals should be permitted in a designated area. Rather, it means that other resources should be developed and used along with whatever remaining additional fresh groundwater can be permitted. It is not an independent reason, apart from the permitting criteria, to deny the City's application. Impermissible Modification of Existing CUP Petitioners contend that the proposed CUP for Area IV includes an impermissible modification of the existing CUP for Areas II and III because “Other Condition” 5 limits average annual withdrawals from the Area II, III, and IV Wellfields, combined, to 5.79 mgd in 2009 and 6.01 mgd in 2010. (As indicated, the limitations would have to be reduced to no more than 5.2 mgd based on the more reasonable projected need.) However, the City’s current CUP for the Area II and III Wellfields expires in February 2008, which is before the Area IV Wellfield would become operational, so that "Other Condition" 5 will have no practical effect on the existing CUP for Areas II and III. In essence, "Other Condition" 5 serves to advise the City that it should not view the allocation for the Area IV Wellfield in addition to the City’s existing allocations for the Area II and Area III Wellfields and that any renewal of the existing CUP for Areas II and III will have to take the Area IV allocation into account. Appropriate Permit Fee Petitioners have alleged that the City has not paid the correct permit processing fee. In March 2001, the City paid the District $200 when it submitted its initial permit application to modify its existing CUP. In May 2005, the City paid the District an additional $800 when it amended its application and withdrew its request to modify its existing permit. All required permit processing fees have been paid for this CUP application 99052. Miscellaneous As to other issues raised by Petitioners in the case, the evidence did not suggest any danger of flooding, any proposed use of water reserved by rule for other uses, any effect on any established minimum flows or levels, or inadequate notice. Standing As found, Miami Corporation owns property immediately adjacent to the proposed Area IV Wellfield, and Ms. Clark owns property a little more than a mile away. Both alleged and attempted to prove that SAS drawdown from the proposed CUP would degrade wetlands on their property and interfere with their legal use of groundwater, and that saline intrusion from the proposed CUP would degrade the water quality of the UFAS resource which they use for potable water. As found, Petitioners did not prove those allegations; however, the evidence was that both Petitioners have substantial interests (the quality of water in the aquifer from which their wells withdraw water and wetlands on their property) that would be affected by the proposed CUP at least to some extent.
Recommendation Based on the foregoing Findings of Fact and Conclusions of Law, it is recommended that the District issue the City a CUP for Area IV as provided in the second revised TSR, except for a lower water allocation at this time, namely: 0.75 mgd on an annual average basis, with appropriately lower allocations on the other bases in the TSR, and with a combined annual average rate for Areas II, III, and IV in "Other Condition" 5 of 5.2 mgd for 2009 and 2010 instead of 5.79 mgd in 2009 and 2010, and appropriately lower combined maximum daily rates for Areas II, III, and IV in "Other Condition" 9. Jurisdiction is reserved to hear and rule on the pending motions for sanctions if renewed no later than 30 days after entry of the final order in this case. DONE AND ENTERED this 31st day of July, 2007, in Tallahassee, Leon County, Florida. S J. LAWRENCE JOHNSTON Administrative Law Judge Division of Administrative Hearings The DeSoto Building 1230 Apalachee Parkway Tallahassee, Florida 32399-3060 (850) 488-9675 SUNCOM 278-9675 Fax Filing (850) 921-6847 www.doah.state.fl.us Filed with the Clerk of the Division of Administrative Hearings this 31st day of July, 2007.
The Issue The issue in this case is whether Bocilla Utilities, Inc. is entitled to a public drinking water construction permit for the expansion of an existing reverse-osmosis water plant located on Don Pedro Island.
Findings Of Fact Bocilla Utilities, Inc. (Applicant) was incorporated in the mid-1980s for the purpose of supplying water to a residential development being developed by some or all of the principals of the water utility. The residential development is on a bridgeless barrier island in Charlotte County. Applicant initially proposed locating the plant on the mainland with submerged pipes to the island. This proposal was approved by the Army Corps of Engineers and Department of Environmental Regulation, but the Trustees of the Internal Improvement Trust Fund denied Applicant's request for an easement across submerged state lands. After failing to obtain a submerged land easement, Applicant obtained the permits to build a reverse-osmosis (RO) water plant at its present location on the barrier island. Included among the permits was a permit from the Department of Natural Resources dated September 11, 1985, allowing Applicant to construct the water treatment plant, two underground concrete water storage tanks, and a tennis court on top of the tanks up to 100 feet seaward of the coastal construction control line. Applicant is a certificated utility that, since September 1994, has been regulated by the Public Service Commission. It was previously regulated by Charlotte County. By Application for a Public Drinking Water Facility Construction Permit filed January 26, 1995 (Application), Applicant requested a permit to expand the treatment capacity of its water plant from 30,000 gallons per day (gpd) to 120,000 gpd. By installing the new treatment equipment in two stages, the plant would have an immediate capacity of 60,000 gpd. Applicant proposes no material changes to the existing water storage tanks, distribution system, or the size or location of the building that houses the existing and proposed water treatment equipment. The Application form asks Applicant to identify any well construction permits obtained from the water management district and to provide a map showing any sanitary hazards within 500 feet of each proposed well. The Application form requires Applicant's professional engineer to attest that the project complies with Chapter 62-555, Florida Administrative Code. The Engineering Report attached to the completed Application supplies the requested information, but explains that Applicant's hydrogeologist had not, as of the date of the report, obtained the well-construction permits from the water management district. By Intent to Issue dated February 27, 1995, the Department of Environmental Protection (DEP) gave notice of its intent to issue the requested permit. Noting that it has permitting jurisdiction under Section 403.861(9), Florida Statutes, and that the project is not exempt, DEP determined that a public drinking water construction permit is required for the proposed work. The Intent to Issue is based on DEP's belief that reasonable assurances have been provided to indicate that the proposed project will not adversely impact water quality and the proposed project will comply with the appropriate provisions of Florida Administrative Code Rules 62-4, 62-550, 62- 555 and 62-699. Petitioners timely objected to the issuance of the proposed permit. Petitioners reside in Applicant's certificated area on the barrier island. They presently obtain their water from private wells or cisterns, rather than Applicant. If the permit were granted so as to expand Applicant's production capacity, Petitioners would be more likely required to obtain water from Applicant due to Charlotte County's mandatory hookup ordinance. About a week before filing the Application, Applicant applied on January 20, 1995, to the Southwest Florida Water Management District (SWFWMD) for permits for the construction of the two wells included in the draft permit. SWFWMD granted these permits on February 8, 1995, about three weeks after receiving the applications. Consistent with its normal practice in granting well-construction permits, SWFWMD did not provide interested persons with a point of entry to challenge the permits. The SWFWMD permits provide in part: Compliance with state and local county health regulations as per Chapter 17-555, Florida Administrative Code (F.A.C.), is required via the Drinking Water System Permit. Compliance with Chapters 17-532 and 17- 555, F.A.C., on construction standards and grouting procedures for Public Supply Wells shall be followed. * * * This well site has been judged as satisfactory based on the location and information provided to [SWFWMD] at the time of the well site inspection. . . . * * * Public Supply Wells must meet certain setback requirements from all potential sources of contamination. To obtain and retain your Drinking Water System Permit, please coordinate any future development of the surrounding property within 200' of your well site with the Charlotte County Health Department. * * * By letter dated February 14, 1995, from a SWFWMD representative to Applicant's hydrogeological consultant, SWFWMD acknowledged that it granted Applicant a setback variance of 100 feet from nearby septic systems in permitting the two new wells. The letter states that the "variance is based upon the known geohydrology of the area and the proposed construction of the wells," as well as an understanding that the "existing public system is working out with no problems." A month later, a letter from a DEP engineer identifies various types of sanitary hazards and implicitly ratifies the setback variance granted by SWFWMD. By letter dated March 14, 1995, Gary Maier identified sanitary hazards as septic tank systems, sewer lines, swimming pools and associated chemicals, pet excretions, and residential chemicals such as pesticides, fertilizers, paints, oils, and solvents. Mr. Maier's letter acknowledges that SWFWMD had granted a variance from 200 feet to 100 feet "due to geologic and treatment conditions," but cautions that "any further decrease in setbacks for sanitary hazards would be imprudent." Applicant's water plant is located on Don Pedro Island, which is part of an island chain consisting, from north to south, of Knight Island, Don Pedro Island, and, usually, Little Gasparilla Island. The low-lying island chain fronts the Gulf of Mexico on the west. The northern end of the island chain abuts Lemon Bay on the east. Over the years, storms have opened and closed passes at various points along the island chain. The island chain is vulnerable to flooding, and some areas are more vulnerable than others. One of the historic passes is Bocilla Pass. The plant site area is about a half mile south of this now-closed pass. The Gulf beaches on either side of the point at which the Bocilla Pass emptied into the Gulf have suffered considerable erosion in recent years, to the point that recently built homes have been inundated by water and had to be removed or razed. The plant site area includes the building housing the water treatment and other equipment, two 50,000-gallon storage tanks immediately to the west of the building, the existing water supply well located just east of the building, and the two proposed water supply wells located a short distance east and south of the building. The existing storage tanks, which mark the westernmost extent of the plant site area, are about 235 feet east of a pronounced erosion line along the Gulf shore and are separated from the Gulf by South Gulf Boulevard. Immediately adjacent to the tanks is the building housing the water treatment equipment. The two proposed wells would be located about 200 and 450 feet south of the tanks. The plant site area is much closer to water on the east. The southerly proposed well is about 12 feet west of the mean high water line of Bocilla Lagoon, and the northerly proposed well is about 16 feet west of the mean high water line of Bocilla Lagoon. The building housing the water treatment equipment is further away from the water, but still less than 50 feet. Bocilla Lagoon is a long and narrow waterway that was dredged in a north-south direction parallel to the Gulf shoreline. Bocilla Lagoon is closed off by land less than a quarter of a mile south of the plant site area. The lagoon runs to the north to connect to what remains of Bocilla Pass, which then runs easterly a short distance to a dredged extension of Lemon Bay. The building housing the water treatment equipment and the storage tanks are not located in the vulnerable FEMA V[elocity] zone. However, the record does not establish the location of the proposed wells relative to the V- zone. Testimony concerning the location of the V-zone relative to the water plant establishes only that the building, not the two proposed wells, are safely outside the V-zone. Nothing in the record establishes contour lines on the barrier island in the vicinity of the plant site area or the elevation of the land at the site of the two proposed wells. Applicant has recently upgraded the security of the storage tanks through the addition of locks to the manholes. The installation of fences is impractical and unnecessary because the tanks are topped by a six-inch, reinforced slab of concrete that also serves as tennis courts. The proposed wells would be well constructed. They would extend 167 feet into a confined artesian aquifer. The concrete pressurized grouting coupled with a potentiometric surface of seven feet make it unlikely that the wells would be vulnerable to contaminants. During severe-storm conditions, pumping would cease, leaving the system in its naturally pressurized state, so that surface water could not easily flow down into the well. Additionally, the RO filtration technology is one of the most effective at eliminating contaminants from drinking water. However, failing to have shown that the two proposed wells are outside the V-zone, Applicant has also failed to provide reasonable assurances that the two proposed wells would be protected from damage from the velocity wave action associated with the V-zone. Applicant has constructed and operated the water plant in an exemplary fashion. Applicant has at all times met or exceeded applicable standards for water quality, safety, and operations. Original construction exceeded minimum requirements and added to the durability of the fixtures. The building housing the water treatment equipment and hydropneumatic tank has been issued a floodproofing certificate by a registered engineer. The certificate states that, with human intervention in the form of bolting predrilled plywood boards over openings, the plant is waterproofed to an elevation of 14 feet NGVD, which is one foot higher than the FEMA-supplied base flood elevation of 13 feet NGVD. Applicant employs an operations manager with a Class A license rather than one with merely a Class C license, even though only a Class C operator is required for a water plant of this size. Also, Applicant maintains a low-level chlorine indicator, even though not required to do so due to the small size of the utility. The relevant sewage flows from the quantity of water that would be drawn by each proposed well would be greater than 2000 gpd. Near the proposed wells are single- and multi-family residences served by on-site sewage disposal systems, the above- described road, a swimming pool on the other side of the road, an injection well, and the treatment plant at which Applicant stores anti-scaling agents, ammonia, chlorine, and acid. However, Applicant has shown that none of these items is within 100 feet of the proposed wells. Bocilla Lagoon is not a sanitary hazard at this time. The two deficiencies in Applicant's proof relate solely to the susceptibility of the proposed wells to a significant risk of damage from flooding and other disasters and the location of the proposed wells relative to areas least subject to localized flooding. In all other respects, such as fire flow and security, Applicant has provided reasonable assurances that the applicable criteria would be satisfied or that the proposed work would have no bearing on the issue raised by Petitioners.
Recommendation It is RECOMMENDED that the Department of Professional Regulation enter a final order denying the application of Bocilla Utilities, Inc. for a public water supply construction permit. ENTERED on August 25, 1995, in Tallahassee, Florida. ROBERT E. MEALE Hearing Officer Division of Administrative Hearings The DeSoto Building 1230 Apalachee Parkway Tallahassee, Florida 32399-1550 (904) 488-9675 Filed with the Clerk of the Division of Administrative Hearings on August 25, 1995. APPENDIX Rulings on Respondents' Proposed Findings 1-4: adopted or adopted in substance. 5: rejected as irrelevant and repetitious. 6-7 (except last sentence): adopted or adopted in substance. (last sentence): rejected as unsupported by the appropriate weight of the evidence and legal argument. (except last sentence): rejected as subordinate, recitation of testimony, and irrelevant. 8 (last sentence): adopted or adopted in substance. 9: rejected as irrelevant. 10: adopted or adopted in substance, except to extent of legal argument as to effect of action of SWFWMD in granting variance. 11-12: rejected as irrelevant. 13 (except last sentence): adopted or adopted in substance. 13 (last sentence): rejected as irrelevant. 14-17 (except last sentence): adopted or adopted in substance. 17 (last sentence): rejected as legal argument. 18-21: adopted or adopted in substance. 22: rejected as unnecessary. 23: adopted or adopted in substance as to protection from only sanitary hazards. 24-26: adopted or adopted in substance as to description of aquifer, proposed well construction, and efficiency of RO filtration process, but not as reasons in support of Paragraph 23. 27 (first sentence): adopted or adopted in substance. 27 (remainder): rejected as unnecessary. 28: adopted or adopted in substance. 29: rejected as unnecessary. 30-31: adopted or adopted in substance. 32: rejected as irrelevant. 33-40: rejected as unsupported by the appropriate weight of the evidence. COPIES FURNISHED: Virginia B. Wetherell, Secretary Department of Environmental Protection Twin Towers Office Building 2600 Blair Stone Road Tallahassee, FL 32399-2400 Kenneth Plante, General Counsel Department of Environmental Protection Twin Towers Office Building 2600 Blair Stone Road Tallahassee, FL 32399-2400 Robert Starr P.O. Box 5337 Grove City, FL 34224 Betty Brenneman P.O. Box 67 Placida, FL 33946 Jim Duff P.O. Box 41 Placida, FL 33946 M. Christopher Bryant Oertel Hoffman P.O. Box 6507 Tallahassee, FL 32314-6507 Thomas I. Mayton, Jr. Assistant General Counsel Department of Environmental Protection 2600 Blair Stone Road Tallahassee, FL 32399-2440
Recommendation Based on the foregoing findings of fact and conclusions of law, it is hereby, RECOMMENDED: For sixty (60) days from service of the Final Order, the Respondent, Thomas Hearns, shall not have to institute that construction required by paragraph 3 below. However, within the sixty (60) days the Respondent shall obtain a firm purchase commitment from a qualified purchaser. A firm purchase commitment is either a signed contract of purchase or a signed contract to purchase between the Respondent and a qualified purchaser. A qualified purchaser is a person or other legal entity that the Petitioner and Polk County Health Department adjudge to be capable of taking over the water system, bringing it into compliance with Chapter 17-22, Florida Administrative Code, and thereafter keeping the system in compliance with Chapter 17-22, Florida Administrative Code. Upon obtaining a purchase commitment, the Respondent shall send a copy of the purchase commitment to the Department of Environmental Regulation and Polk County Health Department. Within twenty (20) days of receipt the Petitioner and the Polk County Health Department shall review the purchase commitment for its acceptability as a firm purchase commitment by a qualified purchaser. Written notice as to whether the Respondent has obtained a commitment which is a commitment by a qualified purchaser shall be given to the Respondent by the Petitioner. The Respondent, to the extent contained in this paragraph, waives his right and capacity to contract and specifically reserves unto the Petitioner the right to void any purchase commitment that is determined to be other than a firm purchase commitment from a qualified purchaser. Failure of the Respondent to obtain a firm purchase commitment within sixty (60) days of service of the Final Order on the Respondent will cause the times and measures for corrective action, contained in paragraph 3 below, to become effective as of the sixty-first (61st) day from the date of service of the Final Order on the Respondent. The corrective actions and the times for taking them are: Within thirty (30) days of the sixtieth (60th) day from service of final orders in this case, the Respondent shall install disinfection equipment into the Respondent's water system. The disinfection equipment must be capable of maintaining the degree of disinfection required by Section 17-22.106(3)(c), Florida Administrative Code. The required degree of disinfection shall thereafter be maintained throughout the water system at all times and the disinfection equipment shall be kept in continual operation. Sections 17- 22.106(3)(c) and 17-22.107(3)(a), Florida Administrative Code. Within fifteen (15) days of the sixtieth (60th) day from service of final orders in this case, the Respondent shall, by collecting and submitting two (2) samples for analysis, initiate the collection of water samples of the Respondent's water system and the Submission of the samples for microbiological analysis. Thereafter, the Respondent shall collect and submit for analysis two (2) compliance samples per month. Section 17-22.105(1)(d), Florida Administrative Code. Within fifteen (15) days of the sixtieth (60th) day from service of final orders in this case, the Respondent shall notify, by written notice to each customer, all customers of the Respondent's water system of the fact that the Respondent fails to perform microbiological monitoring. Section 17-22.112, Florida Administrative Code. Within fifteen (15) days of the sixtieth (60th) day from service of final orders in this case, the Respondent shall retain the services of a certified operator who shall thereafter operate, maintain and supervise the Respondent's water system. Section 17-22.107(3)(b), Florida Administrative Code. Within forty-five (45) days of the sixtieth (60th) day from service of final orders in this case, the Respondent shall commence, by the submission of a monthly operation report on the water system, the submission of monthly operation reports to the Department. Thereafter, such reports shall be submitted monthly. Section 17-22.111(2), Florida Administrative Code. Within thirty (30) days of the sixtieth (60th) day from service of final orders in this case, the Respondent shall commence, by the submission of the results of the analyses of the samples taken pursuant to subsection 3.B. above, the monthly submission of the results of analyses taken by the Respondent to fulfill his Section 17-22.105(1)(d), Florida Administrative Code, monitoring requirement. Thereafter, the Respondent shall submit monthly the results of compliance monitoring. Sections 17-22.107(3)(c) and 17-22.111(2), Florida Administrative Code. Within forty-five (45) days of the sixtieth (60th) day from service of final orders in this case, the Respondent shall submit "as-built" engineering plans of the water system, as well as an application for a construction permit. The construction permit shall contain plans and specifications for proposed construction which shall: (1) install a downopening sampling tap on the discharge side of the well pump, and (2) install a bypass and a drain on the system's pressure tank. Within forty-five (45) days of the sixtieth (60th) day from service of final orders in this case, the Respondent shall submit to the Department's Southwest District Office, Tampa, Florida, the sum of Two Hundred Fifty Dollars and Sixty-nine Cents ($250.69). The Petitioner waives payment of the costs of investigation in this case if the Respondent has a firm purchase commitment from a qualified purchaser within sixty (60) days of service of the Final Order on him, or the Respondent complies with the corrective measures and times stated in paragraph 3, AG, above. The Petitioner will place the Respondent in touch with the Department of Community Affairs and the Federal Farmers Home Administration within ten (10) days of service of the Final Order on the Respondent. Within fifteen (15) days of service of the Final Order, the Petitioner shall contact Imperial Polk County's Sam Robinson to urge the purchase of the water system. The Department shall also investigate whether it has funds which Imperial Polk County might obtain in order to purchase the water system. The Petitioner shall notify the Respondent of its investigation within fifteen (15) days of service of the final orders on the Respondent. Alteration of the Final Order may be accomplished by written amendment of the Final Order, signed by both the Petitioner and Respondent. The Petitioner reserves solely to itself the authority to determine whether the Final Order shall be amended due to good cause shown by the Respondent. Among other things, good cause may be delays caused the Respondent due to actions of others beyond his control. In order that the corrective measures stated in paragraph 3 above be accomplished within the stated times, it shall not be good cause for postponement of any of the corrective measures set forth in paragraph 3 above that the Respondent has filed an application for financing of the corrective measures at a time that does not allow time for processing the application prior to the sixty-first (61st) day from service of the Final Order on the Respondent. RECOMMENDED this 6th day of April, 1979, in Tallahassee, Florida. JAMES E. BRADWELL, Hearing Officer Division of Administrative Hearings Room 101, Collins Building Tallahassee, Florida 32301 (904) 488-9675 COPIES FURNISHED: Vance W. Kidder, Esquire Department of Environmental Regulation 2600 Blair Stone Road Tallahassee, Florida 32301 Mr. Thomas Hearns Post Office Box 1916 Winter Haven, Florida 33880
