The Issue Whether the Petitioner's request for variance should be granted.
Findings Of Fact Petitioner owns an undeveloped parcel of land in Palm Beach, County which is zoned industrial and on which he intends to construct a storage building to house and repair farm equipment. To provide sewage treatment at the site, Petitioner had designed an on site sewage disposal system and applied for a septic tank permit which was denied as was his variance request. The closest public sewage treatment plant to the property is over five miles from the site, and the closest private treatment is approximately three miles from the subject site. Petitioner has no easement to either site if capacity were available and if he chose to connect. However, the proof did not show capacity at either site. Although Petitioner does not intend to pollute the groundwater, the proof demonstrated that waste disposal into a septic tank from the maintenance and repair of farm equipment could result in the disposition of prohibited hazardous waste into the groundwater. Alternative methods of waste disposal are available which would properly dispose of the waste and, yet, protect the groundwater from contamination by hazardous waste. Such systems include certain aerobic treatment units and package plants. The monetary costs of these systems is greater than the septic tank proposal; however, the proof did not demonstrate that the cost was prohibitive or a hardship. Although the hardship, if any, caused by the denial of the variance was not caused by Petitioner, the proof failed to demonstrate lack of reasonable alternatives of waste disposal and the absence of adverse effect of the operation to the groundwater. Additionally, the proof failed to establish the ameliorating conditions of soil, water table or setback conditions although a survey of the property dated September 3, 1985, indicates that the subject parcel was not platted. Accordingly, the denial of the variance was proper.
Recommendation Based on the foregoing findings of fact and conclusions of law, it is RECOMMENDED that a final order be entered denying the variance. DONE AND ENTERED in Tallahassee, Leon County, Florida, this 6th day of July 1989. JANE C. HAYMAN 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 6th day of July 1989. COPIES FURNISHED: Lee B. Sayler, Esquire 50 South U.S. Highway One Suite 303 Jupiter, Florida 33477 Peggy G. Miller, Esquire Department of Health and Rehabilitative Services 111 Georgia Avenue Third Floor West Palm Beach, Florida 33401 Sam Power, Clerk Department of Health and Rehabilitative Services 1323 Winewood Boulevard Tallahassee, Florida 32399-0700 Gregory L. Coler, Secretary Department of Health and Rehabilitative Services 1323 Winewood Boulevard Tallahassee, Florida 32399-0700 John Miller General Counsel Department of Health and Rehabilitative Services 1323 Winewood Boulevard Tallahassee, Florida 32399-0700
The Issue Whether the City of Jacksonville has provided reasonable assurances that a proposed modification of its permit to operate the City of Jacksonville North Sanitary Landfill by allowing an additional 35 feet of waste to be disposed of in Phase IIIb of the City of Jacksonville North Sanitary Landfill will not cause pollution in violation of any of the provisions of Chapter 403, Florida Statutes, or the rules promulgated thereunder? Whether the City of Jacksonville proposed modification of its permit to operate the City of Jacksonville North Sanitary Landfill by allowing an additional 35 feet of waste to be disposed of in Phase IIIb of the City of Jacksonville North Sanitary Landfill should be denied because of alleged violations of the City of Jacksonville's permit or Florida law?
Findings Of Fact Introduction. The City of Jacksonville North Sanitary Landfill. The City of Jacksonville (hereinafter referred to as the "City") operates two solid waste disposal facilities. One, the City of Jacksonville North Sanitary Landfill (hereinafter referred to as the "North Landfill"), is located at the intersection of New Berlin Road and Island Drive in the northern part of the City and Duval County, Florida. The North Landfill is operated pursuant to permit #SC16-12205 (hereinafter referred to as the "Permit"), issued by the Department on June 6, 1988. The Permit was issued "for operation of the City of Jacksonville North Sanitary Landfill, Phases I, II, and 111a; and of a new disposal area at the North Sanitary Landfill, Phase IIIb." The area in which the North Landfill is located is generally commercial property, with some rural and residential property: The North Landfill is bounded on the north by unimproved land owned by the City. This property stretches to Cedar Point Road. A few parcels within the property owned by the City to the north of the North Landfill are owned by others, including Mr. and Mrs. Leigh. The property to the east of the North Landfill is also unimproved property. It is owned by the St. Johns River Power Park. The St. Johns River Power Park is a power plant facility operated as a joint venture by the City, the Jacksonville Electric Authority and Florida Power and Light. The plant is located on the southern boundary of the North Landfill. The west boundary of the North Landfill is New Berlin Road. The property to the west of New Berlin Road is owned by a number of persons, including M & M Dairy. Phase IIIb of the North Landfill is located in the northeast quadrant of the landfill. The North Landfill primarily serves northern, and a part of western, Duval County. Approximately 3,000 tons of solid waste is disposed of each day in Jacksonville. Approximately 55% of the solid waste is disposed of at the North Landfill. The solid waste disposed of at the North Landfill consists primarily of mixed municipal solid waste and commercial solid waste. The North Landfill is open seven days a weeks from 5:00 a.m. to 11:00 p.m. All phases of the North Landfill are permitted to a height of 75 feet. The land on which the North Landfill is located is approximately 25 to 30 feet above sea level. Therefore, approximately 45 to 50 feet of solid waste can be disposed of at the North Landfill. All phases of the North Landfill have some remaining capacity for the disposal of additional solid waste. The Petitioners. Ms. Holzendorf's residence is approximately ten miles from the North Landfill. Her office is located approximately seven miles from the North Landfill. She does not own any real property located in the immediate vicinity of the North Landfill. Ms. Holzendorf can smell the odor from the North Landfill at her residence when the wind is blowing from the North Landfill toward her residence. Ms. Holzendorf is a Florida State Representative for District 16. District 16 includes the population of approximately one-third of Duval County, The North Landfill is located within District 16. Ms. Holzendorf has received complaints from some of her constituents about the North Landfill. Ms. Holzendorf drives by the North Landfill approximately twice a week. She has visited the site on several occasions. Robin G. and Geraldine Leigh own real property adjacent to Cedar Point Road. The land is unimproved except for a well. The Leigh's land is located north of the unimproved City property located adjacent to the northern boundary of the North Landfill. The Leighs' land is approximately three-fourths of a mile from the North Landfill. The City's Proposal. On August 3, 1988, the City filed an application with the Department for a modification of its Permit. In its application the City requested a "construction permit modification" of its Permit consisting of "extending the height of Phase IIIb of the North Landfill to a constructed elevation including final cover of no greater than 110 feet, NGVD." The City's requested modification of the Permit will provide the City with an additional six months of solid waste disposal capacity. The Department proposed to grant the City's requested modification. The Department issued a proposed Permit modification (hereinafter referred to as the "Modified Permit"). Structural Design of Phase IIIb. Leachate Control System. Waste dumped at the North Landfill is covered daily. Rain falling on the site is disposed of either as "leachate" or stormwater. Leachate is liquid which passes through, and emerges from, solid waste. Leachate on Phase IIIb of the North Landfill is collected and disposed of by a control system which was designed by George Knecht. Mr. Knecht described the leachate control system as follows: The leachate collection system consists of a two-foot drainage layer placed on top of the plastic liner. In this case the city used a plastic liner rather than a clay liner. It's HDPE, which is high-density polyethylene, and that collects the liquid and lets it flow downhill in this drainage layer to the central point, at which point the city has installed a six-inch perforated pipe which is wrapped in a filter media, which is basically a stone, a rock, which in turn is wrapped in a filter media which is porous cloth, and the purpose is that the liquid coming through the landfill gets into this drainage layer, runs downhill in the drainage layer, goes through the filter cloth, and the filter cloth keeps the sand from penetrating into the granular rock, goes through the rock and into the pipe, and then pipes are laid in a sloping downhill direction so that the fluid, once it gets in there, runs downhill. It's collected in manholes at the end of each one of these pipes. Transcript of Formal Hearing, page 49, lines 4-23. The leachate control system of Phase IIIb was properly installed and designed. Although the Petitioners raised questions concerning the manner in which the leachate control system was installed and designed, they did not offer sufficient evidence to contradict the evidence presented by the City that the system was properly installed and designed. The evidence also failed prove that the addition of 35 feet of solid waste to Phase IIIb will adversely affect the operation of the leachate control system. The addition of 35 feet of solid waste to Phase IIIb will probably ultimately have a beneficial effect on the leachate control system of Phase IIIb of the North Landfill. When Phase IIIb reaches its currently authorized height of 75 feet, the leachate depth on the liner of the control system is expected to be an average of approximately three inches. If an additional 35 feet of waste is added to Phase IIIb, the leachate depth on the liner of the control system is expected to decrease to an average of approximately two inches. The depth of leachate on the liner of the leachate control system of Phase IIIb will not exceed one foot. Specific Condition 3 of the Permit required that the City arrange for Department representatives to inspect the facility in the company of the Permittee, Engineer, and onsite operator after completion of construction activities. Cells I and II of the leachate control system of Phase IIIb were not inspected by the Department. The Department was provided with a certification from a registered professional engineer that the installation was inspected and met state requirements. The Department normally relies upon such certificates. Stormwater Disposal System. Rainwater which does not percolate through the waste, thus becoming leachate, runs off in the form of stormwater. Stormwater will consist primarily of rain which strikes the sides of the pyramid formed by the waste deposited on Phase IIIb of the North Landfill. The existing stormwater disposal system of all phases of the North Landfill consists of a series of ditches which collect stormwater and channel the stormwater to other ditches which surround the perimeter of the North Landfill. Stormwater travels through the ditches to collecting ponds located at the northeast corner of the North Landfill. Water reaching the holding ponds is treated by sunlight, oxidation and sedimentation. Ultimately, water reaching the holding ponds runs into Brown's Creek. The existing stormwater collection system of Phase IIIb is in compliance with the Department's permitting requirements. The proposed increase in height of Phase IIIb should not have any appreciable impact on the quality of stormwater eventually emptied into Brown's Creek. Phase IIIb will be capped with an impermeable cap when it is closed. The City has had a stormwater management system designed to take into account the effect of the cap on stormwater disposal. The stormwater collection system which will be installed when Phase IIIb is closed will consist of ditch blocks which will separate the stormwater collection system of Phase IIIb from the other phases of the North Landfill. Stormwater from Phase IIIb will be directed to a new holding pond. Stormwater will eventually be discharged into Brown's Creek. The stormwater collection system which will be installed when Phase IIIb is closed will meet the requirements of Rule 17-25, Florida Administrative Code, and the St. Johns River Water Management District. The system will actually have a positive impact on water quality. Foundation. The earth beneath the leachate control system of Phase IIIb, because of the weight of the solid waste to be deposited above it, is expected to settle approximately twelve inches under 75 feet of solid waste. The addition of 35 feet of solid waste to Phase IIIb is expected to cause the earth beneath the leachate control system to settle an additional six inches for a total of one and one-half feet. The additional 35 feet of solid waste will not adversely affect the structural integrity or functional capacity of the leachate control system of Phase IIIb. The proposed 35 foot addition of solid waste should not affect the ability of the earth beneath Phase IIIb to support the loads and stress it will be subjected to. III Alleged Violations. Water Quality There is a marsh located to the northeast of the North Landfill. The marsh forms the headwaters of Brown's Creek. Brown's Creek flows into the St. Johns River, south of the North Landfill. Alfred Mintz, the former owner of Clapboard Creek Fish Camp, a fish camp located approximately four miles from the North Landfill, testified about a "black gooey substance" which was on the surface of Clapboard Creek and Brown's Creek. Clapboard Creek flows to the northeast and east of the North Landfill. It eventually flows into the St. Johns River. The substance came from the direction of the North Landfill. Mr. Mintz did not know what the substance was and was unable to identify the source of the substance. The evidence failed to prove what the substance was or that the North Landfill was the source of the substance. Anita James, a commercial fisher, testified about a "film" which she saw on Brown's Creek near the St. Johns River. The substance was not identified. Nor was the source of the substance identified. Ms. James' belief that the film came from the North Landfill is not sufficient to support a finding of fact that the film whatever it was, came from the North Landfill. Mr. Mintz and Ms. James also testified about dead and diseased fish, and a dead dolphin and a dead manatee which they had seen in Clapboard Creek, Brown's Creek and other waters in the vicinity. No competent substantial evidence was presented to prove that the deaths or the disease was caused by waste disposed of at the North Landfill. No evidence concerning what killed the fish, dolphin or manatee, or what caused the diseased fish, was presented. Specific Condition 13 of the Permit requires the City to monitor water at three points along the stormwater disposal system of the North Landfill. One of the three monitoring points is approximately one-tenth of a mile east of the North Landfill in Brown's Creek. During approximately ten years of monitoring of water conditions only two parameters, iron and coliform, have been found in excess of state standards. The evidence did not prove what the cause of the excess iron and coliform was. It is possible that the excesses were caused by leachate from Phases I, II and 111a, which do not have lined leachate control systems like Phase IIIb, seeping into the stormwater disposal system. Leachate from Phase IIIb does not aggravate the problem because the leachate control system of Phase IIIb is lined. The City and the Department entered into a Consent Agreement on July 14, 1989 (hereinafter referred to as the Consent Order). Pursuant to the Consent Order the City is required to update its monitoring of stormwater. Quarterly monitoring of 37 parameters will be required. Specific Condition 19 A 2) of the Modified Permit also specifies that 37 parameters are to be analyzed quarterly. Specific Condition 13 A 2 of the Permit only required analyses of 14 parameters. The requested modification of the Permit should not contribute or extend any adverse affect of the North Landfill on water quality. The Consent Order and Specific Condition 20 C of the Modified Permit require that the City analyze 35 parameters quarterly at four wells located inside the North Landfill. The City has contracted for the preparation of a groundwater monitoring plan consistent with the Consent Order and with the requirements of Rule 17-701.050, Florida Administrative Code. Based upon a review of a well inventory conducted by the City and groundwater studies, wells in the vicinity of the North Landfill, including the well on Mr. & Mrs. Leigh's property and the M & M Dairy, are not at risk of contamination. The requested modification of the Permit should not increase the risk of contamination of wells in the vicinity of the North Landfill. Violation of Height Limits. In 1988 the City filled some portions of Phases I, II and IIIa above their 75 foot limit. The City did not, however, intentionally violate the Permit height limits. The City exceeded the height limit of the Permit only because it believed that solid waste placed on the landfill in excess of 75 feet would eventually settle to less than 75 feet and that this was consistent with the Permits limits. The Department disputed the City's actions in exceeding the 75 foot limit for Phases I, II and IIIa in an administrative action separate from this proceeding. On July 14, 1989, the City and Department settled their dispute and entered into the Consent Order. Pursuant to the Consent Order, the City paid a fine of $1,800.00. The City also built a laser tower for use in measuring the height of the North Landfill and agreed to use it to make more frequent surveys of the landfill. The City was not required to immediately remove the excess height. The City has been allowed to wait until closure. Prior to closure the City can request permission from the Department to leave the excess height. In the modification of the Permit at issue in this proceeding, Specific Condition 3 specifically provides for the manner in which waste may be disposed of in Phase IIIb in an effort to avoid the problems with excessive height experienced with Phases I, II and IIIa. B. Litter. Specific Condition 17 of the Permit provides that [l]itter control devices shall be installed as necessary to prevent litter from leaving the disposal area. Litter outside of the perimeter of the North Landfill along the roads leading to the landfill comes primarily from trucks bringing waste to the North Landfill. A small amount of the litter also comes from the site itself. Although the trucks are not City trucks, the City's litter collection efforts have been extended to cover the main portions of the roads leading to the North Landfill. Litter around and on the North Landfill has been a problem. The City has taken a number of steps to control the amount of litter in and around the landfill: Waste deposited at the North Landfill is covered with six inches of soil. Although the City is not required to do so, six months before the formal hearing of these cases the City began covering the area of the landfill where waste is being deposited (hereinafter referred to as the "working surface") with six inches of dirt. The working surface is also located away from wind. Fences have been installed around the perimeter of the North Landfill. Fences are also placed around the working surface on windy days. Prior to 1989 the City patrolled the immediate vicinity around the North Landfill to collect litter which had not been covered. Collection was performed on a variable time schedule. Only three part-time employees participated in the collection patrols. Beginning in early 1989, the City expanded its litter collection patrols. The roads surrounding the North Landfill (New Berlin Road, Faye Road, Alta Road and Island Drive), are now patrolled daily by five full- time employees. The extent of the patrols prior to 1989 and since early 1989 is depicted on City exhibit 8. The inside of the perimeter of the North Landfill is patrolled for litter collection five days a week and on the weekend, as needed. The stormwater ditches are inspected on a daily basis. At the time of the formal hearing of these cases the stormwater ditches and retention ponds were being excavated. This process had been going on for approximately four to six months. The Modified Permit contains Specific Condition 13, which is essentially the same as Specific Condition 17 of the Permit. Additionally, the Modified Permit contains Specific Condition 8, which provides: The Permittee shall maintain litter controls to prevent litter from entering the collection ditches and from leaving the landfill site. In addition to litter control fences, the Permittee shall provide daily manual collection of litter entering collection ditches and leaving the site. Litter can best be controlled by compacting the waste, picking up litter regularly and using fences. The City has employed these methods of litter control. The City's efforts have been reasonable. The proposed increase in height of Phase IIIb will not adversely affect the amount of litter associated with the North Landfill or the City's litter collection efforts. The City is not required to continue to patrol the roads leading to the North Landfill which it is currently patrolling to pick up litter that is attributable to trucks bringing waste to the North Landfill. Odor. There is no dispute that there is undesirable odor associated with the disposal of solid waste. This is true of the North Landfill. There is undesirable odor associated with the North Landfill most of the time. The nature of the odor associated with landfill's generally, and the North Landfill in particular, was described at the formal hearing as follows: Q The odor that you noticed, is it to some degree all the time? A Some days it won't, but that's very rare. Usually it may be more. Some days it may be in the afternoon, it may not smell in the morning, it may be in the afternoon. Some days it may be in the morning and may not be in the afternoon. Q Could you quantify what percentage of the time? A Probably about 75 percent of the time. Q And you indicate that at times it's much stronger than at other times? A Yes. Q You mentioned odor from the landfill. This was back in time now a good way. When did you start noticing an odor from that landfill? A When did I first start noticing it? Q Yes. A The very day they started dumping. Q And that odor has persisted since then? A Not every -- not every single day, but yes. Q Some days you will have it, some days you won't? A Yes. Q How many years are we talking about since they opened approximately? A Well, we have been out there 17 years. . Q So, over that 14 or 15 years, is it fair to say that basically you have an odor, and some days it will be worse than the average odor, and some days `it will be better than the average odor? A Yes. Transcript, page 511, lines 9-15, page 514, lines 9-13, page 516, line 25, and page 517, lines 1-21. Specific Condition 16 of the Permit provides that 1[o]bjectionable odors originating from the site shall be effectively controlled during all phases of operation. The most effective method of dealing with undesirable odor associated with landfills is to cover the waste daily and minimize the contact of waste with water. The City has been covering the waste disposed of at the North Landfill on a daily basis. The City's efforts have resulted in the North Landfill being as odor free as a "well run" landfill can be. A City ordinance provides for citizen participation in controlling odors in Jacksonville. This ordinance is enforced by the City's Bio- Environmental Services Division. As part of enforcing the odor ordinance the City provides a 24-hour telephone service which citizens can call and complain about odors. Since January, 1988, the City has received 5,500 complaints--an average of 280 complaints a month. Complaints received about odor are investigated by nine inspectors employed by the City. If five or more validated complaints are received about an odor producer during a 90-day period, the City issues a citation. Since January, 1988, the City has received only three complaints about the North Landfill from citizens. No citations have been issued against the North Landfill. Specific Condition 16 of the Permit is included in the Modified Permit as Specific Condition 15. The Modified Permit also includes Specific Condition 6, which provides: The Permittee shall apply no less than 6 inches of compacted initial cover to the top and sides of each cell by the end of each working day, except on the working face which may be left uncovered if additional solid waste will be placed on the working face within 18 hours. An intermediate cover of one (1) foot of compacted earth, in addition to the six (6) inch initial cover, shall be applied within seven (7) days of cell completion if final cover or an additional lift is not to be applied within 180 days of cell completion. The Permittee shall ensure that an adequate quantity of acceptable cover material is available for use during each day of operation of the landfill. The modification of the Permit will not increase the odor associated with the North Landfill. It will, however, extend the period of time that odors emanate from the North Landfill. Access to the North Landfill and Dust. Specific Condition 20 of the Permit provides that "[d]ust free, all- weather access roads to the site and active disposal area, or alternative wet weather disposal area shall be maintained." This condition has been complied with by the City. This condition is included as Specific Condition 12 in the Modified Permit. The roads used to access the North Landfill are paved, two-lane roads. The lanes are twelve feet wide. The speed limit on the access roads is 45 m.p.h. Appropriate turn lanes are available. During December, 1988, New Berlin Road and the North Landfill were able to effectively handle 600 trucks per day, an average of 80 to 90 trucks an hour during peak hours. Normally, the North Landfill effectively handles approximately 300 garbage trucks and 100 cover-dirt trucks a day with a peak of approximately 60 trucks per hour. The unpaved right-of-way on the side of the roads leading to the North Landfill is worn and the source of dust. Dust associated with the North Landfill comes from the roads leading to the landfill. The evidence failed to prove that dust comes from within the perimeter of the North Landfill. Tire Storage. Whole tires have been stored and processed at the North Landfill. At the time of the formal hearing there were more than 1,000 tires at the landfill. The evidence failed to prove how long any specific quantity of tires had been stored at the North Landfill. The City has not allowed the disposal of any whole tires at the North Landfill since July 1, 1989. The City has been shredding tires at the North Landfill. At the time of the formal hearing the City had contracted for the shredding of all the tires which had been located at the North Landfill at the time the contract was entered into in early July, 1989. The contract in existence at the time of the formal hearing was scheduled to expire in October, 1989. The City, however, expected to enter into a follow-up contract to continue shredding tires. In February or March, 1989, the previous tire- shredder contractor walked off the job. Mosquitoes at the North Landfill are managed by the City's Bio- Environmental Services Mosquito Control Division. Spraying is only done "as needed", however. F. Hazardous Waste, Oil Recycling and Infectious Waste. The City has not established an independent hazardous waste disposal program, a used oil recycling program or a infectious waste disposal program. The City attempts to prevent disposal of hazardous waste, used oil and infectious waste through educating the public with signs posted at the North Landfill entrance and periodic inspections of waste disposed of at the North Landfill. The evidence failed to prove that hazardous waste, used oil or infectious waste is being disposed of at the North Landfill. The evidence also failed to prove that approval of the Modified Permit will cause the disposal of hazardous waste, used oil or infectious waste on Phase IIIb of the North Landfill. Specific Condition 5 of the Modified Permit prohibits the disposal of hazardous waste and infectious waste at Phase IIIb of the North Landfill. This condition also requires that the City provide a minimum of one spotter for each working fact of Phase IIIb to watch for unauthorized waste.
Recommendation Based upon the foregoing Findings of Fact and Conclusions of Law, it is RECOMMENDED that a final order be issued by the Department approving issuance of the Modified Permit, modified by the inclusion of a Specific Condition requiring that the City continue its litter patrols as represented at the formal hearing. DONE and ENTERED this 3rd day of January, 1990, in Tallahassee, Florida. LARRY J. SARTIN 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 3rd day of January, 1990. APPENDIX Case Numbers 89-0532, 89-0569 All of the parties except the Petitioners in case number 89-0569, have submitted proposed findings of fact. It has been noted below which proposed findings of fact have been generally accepted and the paragraph number(s) in the Recommended Order where they have been accepted, if any. Those proposed findings of fact which have been rejected and the reason for their rejection have also been noted. Ms.'s Holzendorf's Proposed Findings of Fact Proposed Finding Proposed Finding Paragraph Number in Recommended Order of Fact Number of Acceptance or Reason for Rejection See 49-52. The Consent Order was entered into on July 14, 1989. The last sentence is not supported by the weight of the evidence. See 49. 80. Whether a violation of Chapter 17- 711, Florida Administrative Code, has occurred is a conclusion of law. The weight of the evidence failed to prove that there is not program for the disposal of tires. The last paragraph of this proposed finding of fact is not supported by the weight of the evidence. IV See 54-55, 61-63, 73 and 77. IV-Hazardous Waste: 86. See 87-89. The second sentence is not supported by the weight of the evidence. Argument. Not supported by the weight of the evidence. V-Used Oil Recycling Plan: 86. See 87-89. The second sentence is not supported by the weight of the evidence. 86. See 87-89. The last paragraph is not supported by the weight of the evidence. Not supported by the weight of the evidence. Not relevant to this proceeding. The Modified Permit only involves a lined portion of the North Landfill. The Department's Proposed Findings of Fact Proposed Finding Paragraph Number in Recommended Order of Fact Number of Acceptance or Reason for Rejection 1 1-3. 2 2. 3 15. 4 18-19 and 26. 5 20. 6 22-23. 7 34-36. 8 26-29. 9 32-33. 10 30. 11 41-42. 12 43. 13 37-40. 14 49. 15 61-62 and 64. 16 55. 17 56 and 58. 18 74-78. 19 80 and 82-83. The City's Proposed Findings of Fact Proposed Finding Paragraph Number in Recommended Order of Fact Number of Acceptance or Reason for Rejection Contrary to testimony of Ms. Holzendorf. Statement of law. 3-4 Hereby accepted. 5 Statement of law. 6 10. 7-8 13. 9 9. 10 1-2. 11 1-2 and 7. 12 4. 13 5. 14 1. 15 6. 16-19 3. 20 14. 21 Hereby accepted. 22 7. 23 8 and 49. 24 16. 25-26 20. 27-28 Hereby accepted. 29-30 25. 31 Hereby accepted. 32-35 22. 36-43 Hereby accepted 44 35-36. 45 Hereby accepted. 46 35. 47 See 36. 48-49 Hereby accepted. 50 44. 51-52 46. 53-58 Hereby accepted. 59 47. 60 48. 61 46. 62-63 Hereby accepted. 64 27. 65-66 43. 67 31. 68 Hereby accepted. 69 33. 70 Hereby accepted. 71 33. 72 30. 73 32. 74 43. 75 30. 76-77 26. 78 42. 79 Not relevant to this proceeding. 80 45. 81-82 Hereby accepted. 83-84 44. 85-86 49-51. 87 49. 88 52. 89 Hereby accepted. 90 55-56. 91-93 56. 94 50. 95 56. 96 59. 97-100 56. 101 55. 102 Hereby accepted. 103 58. 104-112 These proposed findings of fact correctly quote testimony presented the formal hearing. at 113 61 and 64-65. 115 72. 116 66. 117 Hereby accepted. 118 67. 119 Hereby accepted. 120 69. 121 70. 122-123 70 and hereby accepted. 124 See 65. 125 65. 126-129 See 61-62. 130-131 77. 132 Hereby accepted. 133 75. 134 Not relevant to this proceeding. 135 77. 136 79. 137-139 These proposed findings of fact correctly quote testimony presented at the formal hearing. 140 80. 141 82-84. 142 84. 143 81. 144 85. 145-147 Hereby accepted. 148 Cumulative. 149 37-38. 150-152 38. 153-155 40. 156 39-40. 157-161 Hereby accepted. COPIES FURNISHED: Lacy Mahon, Jr., Esquire Mark H. Mahon, Esquire Russell L. Healey, Esquire Lacy Mahon, Jr. & Mark Mahon, P.A. 1120 Blackstone Building Jacksonville, Florida 32202 Robin G. Leigh and Geraldine Leigh 6026 Heckscher Drive Jacksonville, Florida 32226 William H. Congdon Assistant General Counsel Department of Environmental Regulation Twin Towers Office Building 2600 Blair Stone Road Tallahassee, Florida 32399-2400 Daniel D. Richardson, Esquire Dale H. Twachtmann, Secretary Robin A. Deen, Esquire Department of Environmental Office of General Counsel Regulation Environmental Law Division 2600 Blair Stone Road City of Jacksonville Tallahassee, FL 32399-2400 Towncentre, Suite 715 421 West Church Street Jacksonville, Florida 32202
The Issue The issues considered at final hearing were those issues set out in Petitioners' Amended Petition For A Formal Hearing. At the conclusion of the final hearing the parties were given an opportunity to file a proposed recommended order and memorandum in support thereof. Such memorandum and proposed recommended order was received by the Hearing Officer from the Department of Environmental Regulation on November 10, 1976, from Leon County on November 12, 1976, and from the Citizens' Committee to Preserve Lake Lafayette on November 15, 1976. Having fully considered the matters presented herein, the Hearing Officer enters the following:
Findings Of Fact Respondent, Leon County, Florida, has applied for a construction permit to construct a sanitary landfill in Sections 4 and 5, Township 1 South, Range 2 East, Leon County, Florida. The proposed site consists of 79.9 acres off of U.S. Highway 27 South. The application is in proper form and contains all information required by the Department of Environmental Regulation. The area to be served by the proposed sanitary landfill is Leon County, Florida, with a projected average population of 155,200. The responsible operating authority as set forth in the application is Leon County. The evidence presented did not establish that the proposed sanitary landfill will attract high concentrations of rodents, insects, or birds which would do serious damage to the land and crops surrounding the site or which would adversely affect the health and welfare of the residents near the site. The application proposes a program for the extermination of any rats discovered on site and further proposes that the working faces of the landfill area will be kept as small as possible with all exposed waste materials covered as frequently as practical to minimize the problem of flies and insects during hot, humid periods. Evidence was presented indicating that construction of the proposed sanitary landfill site could adversely affect surrounding property value. However, the evidence was not sufficient to conclusively establish the extent of this affect nor the time at which it would occur or for which it would endure. As designed the proposed sanitary landfill would not cause any solid waste to be disposed of by being placed in or within 200 feet of any natural or artificial body of water or on the watershed of any surface water supply. Lake Lafayette is hydraulically connected to the Floridan Aquifer. The proposed sanitary landfill site is located at least 500 feet from the flood prone area of Lake Lafayette and 1,000 feet from Lake Lafayette proper. As designed the proposed sanitary landfill will not cause any solid waste to be disposed of by being placed in a sink hole or in the immediate area thereof. Solid waste will be disposed of by being placed in a trench and covered over with successive lifts similarly covered. There are no active sink holes on or in the immediate area of, the proposed sanitary landfill site. Three ponds exist in the immediate vicinity of the site, one of which is to be used for surface water runoff. These ponds were probably formed by past sink hole activity but from the site topography and water elevations it appears that the ponds are now stable and are probably not hydraulically connected with the Floridan Aquifer. No limestone or gravel pits exist on site. The entire proposed site is well above the +50' MSL contour line below which are found flood prone areas in the vicinity of the site. The water table of the site is more than 5 feet below normal ground surface. As designed the proposed sanitary landfill will not require the disposal of solid waste in an area immediately adjacent to or within the cone of influence of a public water supply. As designed the proposed sanitary landfill will not require the disposal of solid waste within 200 feet of any habitation or place of business served by a public water supply system or within 1,000 feet of any habitation or place of business served by an individual potable shallow water supply well with the following exceptions. There are three wells located on the property which would be owned by Leon County that may be within 1,000 feet of the disposal site for solid waste. Of these three wells one has been abandoned and will be sealed. A second is located south of the proposed site at an existing house and will be used as a source of non-potable water and for monitoring the potable aquifer. The third well is located on the northwest portion of the county property and will be maintained as a standby source of potable water. There are two other wells located on the property to be owned by Leon County which are more than 1,000 feet from the proposed disposal site for solid waste and could be used to monitor the Floridan Aquifer. There is a well which serves a private residence and farm located plus or minus 1,200 feet west of the proposed site for the disposal of solid waste. No solid waste shall be disposed of in any area open to public view from any major thoroughfare. The proposed site in not on any public highway, road, alley or the right-of-way thereof. The Lake Lafayette drainage basin is approximately six miles long elongated in a west-northwest, east-southeast direction. The width varies between one-quarter to one-half mile. The western end of the basin contains many sink holes which probably have open connections to the underlying bedrock. The eastern end of the basin, near the proposed landfill site, is swampy and contains many cypress trees. The Lake Lafayette drainage basin appears to be an area of recharge to the Floridan Aquifer. The proposed sanitary landfill site is not located in the Lake Lafayette drainage basin. The engineering firm of Ardaman & Associates, Inc., conducted a subsurface investigation of the hydrologic and soil conditions at the site of the proposed sanitary landfill. As part of their investigation they performed ten soil borings and installed seven deep ground water monitoring wells. The results of the investigation of Ardaman & Associates, Inc., indicates a low probability of sink hole occurrence. In the course of their investigation, Ardaman & Associates, Inc., discovered a depression in the ground water level at Test Hole No. 9. The significance of this ground water low is that it may be a localized area of recharge. However, as shown by the testimony of the engineers who conducted the investigation for Ardaman & Associates, Inc., as well as by the report of their investigation, this depression creates no realistic danger with regard to the introduction of pollutants into the aquifer or ground water supply, so long as no putrescible wastes are placed within a distance of 1,000 feet of Test Hole No. 9. The hydro-geologist testifying on behalf of the Petitioners stated that he believed the radius of influence of the depression at Test Hole No. 9 may actually be less than 1,000 feet and that maintaining 1,000 feet distance from Test Hole No. 9 is a conservative distance. As designed, the proposed sanitary landfill will not dispose of any solid waste or other putrescible waste within 1,000 feet of Test Hole No. 9. The soils found on the proposed sanitary landfill site are of low permeability and suitable for a sanitary landfill. The low permeability of the soils will limit both the lateral and vertical seepage of leachate. The vertical flow of potential leachate to the Floridan Aquifer has been estimated at a rate of 1.0 to 1.5 feet per year. The lateral flow rate of such leachate through the soils overlying the bedrock in the Lafayette drainage basin has been estimated at the rate of 2 feet per year. As has been noted above, the proposed sanitary landfill site is located approximately 1,000 feet from Lake Lafayette, and 500 feet from the +50' MSL contour line which has been used to describe the perimeter of the flood prone area of the Lake Lafayette drainage basin. At the estimated flow rate it would therefore take several hundred years for any leachate produced by the sanitary landfill to reach the Lake Lafayette drainage basin. The Floridan Aquifer underlies all of Leon County at depths of 100 to 500 feet. As designed the proposed sanitary landfill will have test wells constructed throughout the site to provide a means of detecting any lateral migration of contaminants from the landfill operation should such occur. Periodic samples will be taken from these test wells and analyzed. The monitoring wells will be set up in such a manner that regardless of the direction of flow of subsurface water they will pick up and detect any pollutants that may be passing from the landfill. Some of these test wells will be placed in close proximity to the proposed sanitary landfill site to give early warning of the existence of any leachate flow. If there is any problem with the flow of leachate from the proposed site it will be detected easily within the first five years of operation. Since it would take several hundred years to reach the Lake Lafayette drainage basin at the estimated flow rates this should provide adequate warning and reaction time for the alleviation of any potential pollution problem. A significant flow of leachate is not expected. The existing pond which will receive the surface runoff from the sanitary landfill site is likely of sink hole origin but after a reasonable investigation it appears that the pond is now stable and not hydraulically connected to the Floridan Aquifer. It is estimated that the pond can contain at least a 25 year storm rainfall though there might be some flooding from the pond in a 100 year storm rainfall. As designed, no significant amount of leachate, if any, will reach the surface water runoff retention pond. Petitioners' hydro-geologist did not state that the site is unsuitable for a sanitary landfill. Rather he testified that on the information he had reviewed, which information was that available to the Department of Environmental Regulation, it was his opinion that the Department of Environmental Regulation lacks sufficient information to determine if the proposed site is suitable from a water quality standpoint. Based upon all the testimony and evidence it appears as a matter of fact that the information available to the Department of Environmental Regulation is reasonably sufficient to determine the suitability of the proposed site. There has been no showing of a necessity for alining the proposed trenches which will receive the solid waste. The Planning Director for the Tallahassee-Leon County Planning Department, in a letter to the Department of Environmental Regulation stated that the use of the proposed site for landfill purposes is not inconsistent with the land use plan. He further stated his concern for traffic on U.S. Highway 27, the possible adverse aesthetic impact which he felt could be minimized and his concern that Lake Lafayette be protected from landfill leachate through engineering design. In their Amended Petition Petitioners raised the question of the present zoning of the proposed site. No evidence was presented by Petitioners to show that the site is not properly zoned. Based upon the testimony and evidence presented there appears little possibility that the proposed sanitary landfill will pollute or seriously damage Lake Lafayette, the Floridan Aquifer or any other source of public or private water supply. The proposed sanitary landfill as designed is not likely to cause any significant water pollution or to degrade water quality below those standards set by the Department of Environmental Regulation. None of the prohibitions set out in Section 17-7.04, F.A.C, exist so as to require the denial of the application for a construction permit for a sanitary landfill by Respondent, Leon County. The sanitary landfill criteria set out in Section 17-7.05, F.A.C., have been met by Respondent, Leon County.
The Issue The issue to be determined in this proceeding is whether Angelo's Aggregate Materials, LTD ("Angelo's") is entitled to permits from the Department of Environmental Protection ("Department") to construct and operate a Class I landfill in Pasco County.
Findings Of Fact The Parties The Department is the state agency with the power and duty under chapter 403, Florida Statutes, to review and take action on applications for permits to construct and operate solid waste management facilities, including landfills. Angelo's is a Florida limited partnership authorized to conduct business under the name Angelo's Recycled Materials. Angelo's filed the permit applications which are the subject of this proceeding. Angelo's owns the property on which the proposed landfill would be constructed and operated. Crystal Springs Preserve is a Florida corporation that owns approximately 525 acres in Pasco County, Florida on which is located Crystal Springs, a second magnitude spring that flows into the Hillsborough River. The property is about 10 miles south of Angelo's proposed landfill site. Crystal Springs Preserve's primary business activities are selling spring water for bottling for human consumption and operating an environmental education center that focuses on Crystal Springs and the Hillsborough River. Crystal Springs Preserve hosts approximately 50,000 visitors annually at the environmental education center. Crystal Springs Preserve holds a water use permit which authorizes it to withdraw up to 756,893 gallons of water per day (annual average) from Crystal Springs for production of bottled water. The water is transported about three miles to a water bottling facility operated by Nestlé. Nestlé is a private corporation engaged in the business of bottling and selling spring water. Nestlé purchases spring water from Crystal Springs Preserve. Nestlé's "Zephyrhills Spring Water" brand is composed of approximately 90 percent Crystal Springs water and 10 percent Madison Blue Spring water. The only water treatment applied by Nestlé is filtering the water to remove gross contaminants and passing the water through ultraviolet light or ozone to kill any potential bacteria before bottling. Nestlé has established "norms" for its spring water and would not be able to use the water from Crystal Springs if its chemical composition varied significantly from the norms. WRB is a Florida corporation that owns 1,866 acres in Pasco County known as Boarshead Ranch. Boarshead Ranch is adjacent to the east and south of Angelo’s property and is approximately 3,000 feet from the proposed landfill at its closest point. Boarshead Ranch is currently being used for agricultural, recreational, residential, and conservation purposes, including wildlife management. Nearly all of Boarshead Ranch is subject to a conservation easement held by the Southwest Florida Water Management District (SWFWMD). The conservation easement allows WRB to continue agricultural operations. Numerous agricultural water wells are located on Boarshead Ranch. WRB holds a water use permit which authorizes the withdrawal of 820,000 gallons per day (gpd) (annual average) for a number of uses, including production of agricultural products, animal drinking water, and personal use. The City of Zephyrhills is located in Pasco County and is a municipal corporation. Zephyrhills' water service area encompasses Zephyrhills and portions of Pasco County. Zephyrhills owns, operates, and maintains a water distribution and transmission system of pipes, pump stations, and storage tanks within the City and its service area. Zephyrhills holds a water use permit which authorizes nine potable water supply wells with a combined withdrawal of 2.9 million gallons per day ("mgd") (annual average). Zephyrhills has two new production wells located about two miles southeast of the proposed landfill. The City of Tampa owns and operates the David L. Tippin Water Treatment Plant, the Hillsborough River dam, and the City of Tampa reservoir on the Hillsborough River. Flows from Crystal Springs make up a substantial amount of the water in the Hillsborough River, especially during drought conditions when the spring flow accounts for about 50 percent of the flow. The City of Tampa holds a water use permit which authorizes the withdrawal 82 mgd (annual average). The City of Tampa owns, operates, and maintains a water distribution and transmission system of pipes, pump stations, and storage tanks within the City and its service area. Carl Roth, Marvin Hall, and Louis Potenziano own property in Pasco County near the proposed landfill site. Roth's property is 3.5 miles west of the proposed landfill site; Hall's property is located approximately one mile southwest of the site; and Potenziano's property is 1.6 miles to the south/southeast of the site. Roth, Hall, and Potenziano have water wells on their properties. The record does not establish that John Floyd owns property in the area. Floyd and Associates, Inc., owns about 55 acres in the area and holds a water use permit authorizing the withdrawal of water for agricultural uses. The Stipulated Agreement On March 1, 2010, Angelo's filed with DOAH a "Stipulated Agreement" signed by all parties. The Stipulated Agreement states in relevant part: Angelo's shall provide a final design, revised complete permit application and site investigation (referred to jointly as "Revised Submittal") to DEP with copies to all Parties and DEP shall make a completeness determination prior to this proceeding being set for a new final hearing date. * * * Angelo's shall not revise its permit application or supporting information beyond the Revised Submittal prior to or during the final hearing except in response to issues raised by DEP. It appears that the Aligned Parties did not remember the Stipulated Agreement until the commencement of the final hearing. They did not object before then to any of the evidence which Angelo's had prepared or intended to prepare for hearing on the basis that it violated the terms of the Stipulated Agreement. At the commencement of the hearing, Nestlé argued that the Stipulated Agreement barred Angelo's from revising its application or presenting new support for its project at the final hearing. The Stipulated Agreement is unusual and the necessity for Angelo's to make any concessions to the Aligned Parties in order to obtain their agreement to an abeyance was not explained. Allowing an applicant time to amend a permit application is usually good cause for an abeyance. The Stipulated Agreement allowed Angelo's to continue to respond to issues raised by the Department. Angelo's contends that all of the evidence it presented at the final hearing qualifies as a response to issues raised by the Department. The Proposed Landfill Angelo's applied to construct and operate a Class I landfill with associated buildings and leachate holding tanks. Application No. 22913-001-SC/01 corresponds to the construction permit application and Application No. 22913-001-SO/01 corresponds to the operation permit application. A Class I landfill is a landfill authorized to receive Class I waste, which is solid waste from households and businesses. Class I waste does not include hazardous waste, yard waste, or construction and demolition debris. See Fla. Admin. Code R. 62-701.200(13) and (14). The proposed landfill would be approximately 30 acres in size. It is part of a 1,020-acre parcel owned by Angelo's that is west of County Road 35 and south of Enterprise Road in Pasco County. The site is currently leased for cattle grazing and hay and sod production. There are also spray fields, orange groves, and a pond on the 1,020-acre parcel. Angelo's would construct the landfill by first clearing the 30-acre site. It would then excavate and fill to create the design subgrade or floor of the landfill with slopes required for the liner system. The subgrade would be compacted with a vibratory roller. After the subgrade compaction, the grouting plan would be implemented. The grouting plan calls for grouting 39 subsurface locations on the site that have voids, loose soils, or other unstable characteristics. A liner system would be installed after the grouting is completed and the subgrade is finished. From the bottom upward, the liner system would begin with a 12-inch layer of clay, over which a reinforcement geotextile would be installed, followed by another 12-inch layer of clay. This reinforcement geotextile is in addition to the double liner system required by Department rule. Its purpose is to maintain the integrity of the liner system in the event that a sinkhole occurs beneath the landfill. Installed above the reinforcement geotextile and clay layer would be a 60-millimeter high-density polyethylene ("HDPE") geomembrane, followed by a HDPE drainage net. These last two components comprise the secondary leachate collection system. Above the HDPE drainage net would be the primary leachate collection system, consisting of another 60-millimeter HDPE geomembrane and HDPE drainage net, followed by a geotextile, then a 12-inch sand layer for drainage, and an additional 12-inch sand layer for protection against puncture of the HDPE liner. A 48-inch layer of selected waste, free of items that could puncture the liner, would be the first waste placed over the primary leachate collection system. "Leachate" is "liquid that has passed through or merged from solid waste and may contain soluble, suspended, or miscible materials." See Fla. Admin. Code R. 62-701.200(66). Leachate would be collected through a system of perforated pipes that empty into a sloping trench with a leachate collection pipe. The leachate collection pipe would run down the center of the landfill to the lowest point where a pump would send the collected leachate through a force main 0.25 miles to storage tanks. Five above-ground storage tanks would be installed on a concrete pad with capacity to store 90,000 gallons of leachate. The stored leachate would be periodically transported to an offsite location, such as a wastewater treatment facility, for disposal. Sinkholes and Karst The terms "sinkhole" and "sinkhole activity" are not defined by Department rule, but the statutory definitions in chapter 627, a chapter dealing with insurance coverage for homes and other buildings, are generally consistent with the scientific meanings of these terms. The term "sinkhole" is defined in section 627.706(2)(h) as: a landform created by subsidence of soil, sediment, or rock as underlying strata are dissolved by groundwater. A sinkhole forms by collapse into subterranean voids created by dissolution of limestone or dolostone or by subsidence as these strata are dissolved. The term "sinkhole activity" is defined in section 627.706(2)(i) as: settlement or systematic weakening of the earth supporting the covered building only if the settlement or systematic weakening results from contemporaneous movement or raveling of soils, sediments, or rock materials into subterranean voids created by the effect of water on a limestone or similar rock formation. Sinkholes occur throughout Florida. There have been many reported and confirmed sinkholes in Pasco County. The more common type of sinkhole that has occurred on the Brooksville Ridge is a "cover subsidence" sinkhole, which is caused by voids in the limestone and the downward movement--"raveling"--of overlying soils into the cavity. Eventually, the loss of soils in the raveling zone will propagate upward until the soils at the ground surface also move downward and a depression is formed at the surface. Cover subsidence sinkholes develop slowly and are usually small, less than ten feet in diameter. Less common are "cover collapse" sinkholes, which can form in a matter of days or hours as the result of the collapse of the "roof" of a dissolved cavity in the limestone. These sinkholes are usually large and deep. The occurrence of a sinkhole does not always mean that areas near the sinkhole are unstable. However, the occurrence of a sinkhole is reasonable cause for concern about the stability of nearby areas and a reasonable basis for the Department to require thorough geologic investigations. "Karst" refers to limestone that is undergoing dissolution and it is common in Florida. A sinkhole forms in karst. "Epikarst" is limestone that was weathered while exposed above sea level millions of years ago before being submerged again. It is generally softer and more permeable than unweathered limestone. "Paleokarst" refers to karst that is very old in geologic time. Paleosinks are old sinkhole features in the paleokarst. A paleosink may no longer be unstable because it has been filled in for thousands or millions of years. A "lineament," or a "photolineament," is a relatively straight line seen in the topography or aerial photographs of the ground surface in an area. It might be defined by soil color, sloughs, ponds, wetlands, or other land features that follow a linear path. Lineaments are sometimes, but not always, associated with subsurface fractures in the bedrock where one would expect to also find active karst, sinkholes, and relatively rapid groundwater flow. Even where there is no lineament, there can be fractures in limestone that, when extensive enough, will allow for "fractured," "preferential," or "conduit flow" of groundwater. Fractured flow can occur in a small area or may go on for miles. Springs in Florida are usually associated with fractured flow or conduit flow that allows groundwater to move through the aquifer a long distance relatively rapidly, in weeks rather than decades. Geotechnical Investigation The Department's rules require subsurface conditions to be explored and described, including soil stratigraphy, soft ground, lineaments, and unstable areas, but the rules do not require the application of any particular geologic testing technique. An applicant's testing program is primarily a function of the professional judgment of the applicant’s geologist in cooperation with Department staff. The amount of geological testing done by Angelo's during its initial testing was similar to what was done for recent landfill applications. Angelo's conducted additional testing to respond to Department concerns and to prepare for the final hearing in this case, making the total amount of testing at Angelo's proposed site more extensive than is usual for a proposed landfill. The geologic investigation conducted by Angelo's experts to determine subsurface features, including any sinkholes, employed several technologies. Split Spoon Penetrometer Test (SPT) or SPT borings were drilled with a drill rig that advances a split spoon sampler into the ground with a 140 pound hammer. The hammer is dropped 30 inches and the number of blows required to drive the sampler each successive 12 inches is referred to as the "N" value and indicates soil strength and density. The higher the N value, the denser the soil. When the material is so dense the drill rod cannot (essentially) be hammered deeper, the N value is shown as "R," which stands for "refusal." SPT Bore logs also note any observed "weight of hammer," "weight of rod," or "loss of circulation." These terms describe areas where the drilling encounters very soft material or voids. Weight of rod, for example, means the weight of the drilling rod, by itself, with no hammer blow, was enough to cause the rod to fall deeper through the soil or rock. Cone Penetrometer Test ("CPT") borings were also conducted. CPT borings are relatively shallow, performed with a hand-held rod and special tip that the operator pushes into the ground. The CPT equipment continuously measures and records tip resistance and sleeve resistance as the rod moves downward through soils. It is helpful in some applications, but is less precise in determining soil type, strength, and compressibility than SPT borings and cannot be used to explore deep zones. Ground penetrating radar ("GPR") studies were used. GPR equipment transmits pulses of radio frequency waves into the ground. The manner in which the radio waves are reflected indicates the types of soil and rock encountered. It can also detect cavities and other features that would suggest karst activity. When the GPR identifies geologic features of interest, they can be further investigated with SPT borings. Another investigative tool used by Angelo's was Multiple Electrode Resistivity ("MER"). MER uses a grid of wires and electrodes and the equipment interprets the resistivity of electrical signals transmitted through the subsurface. MER data can be displayed in a two dimensional or three dimensional format, depending on the software program that is used to process the data. Like GPR, MER is useful for indentifying geologic features of interest that can be further explored with SPT borings. However, GPR generally has good resolution only near the ground surface, while MER has good resolution to a depth of 100 feet. The Regional Geology The proposed site is in a geologic transition zone on the eastern flank of a regional, geological feature known as the Brooksville Ridge. It is a transition zone for both the Suwannee Limestone and Hawthorn Group. The Brooksville Ridge was formed when it was part of the coastline. In its geologic past, the Brooksville Ridge experienced sea level changes, weathering, erosion of sediments, and beach reworking. The general layering of geologic features on the Brooksville Ridge, from the top down, begins with topsoil and a layer of sand. Under the sand layer is the Hawthorn Group, an older geologic layer consisting of a heterogeneous mix of limestone, clays, and sands which generally range in depth from slightly under 60 feet to 80 feet or more. It was formed by river and wind erosion, flushing, and re-deposition in a beach dune environment. Below the Hawthorn Group is the Suwannee Limestone Formation, which is present throughout eastern Pasco County. The upper surface of the Suwannee Limestone Formation is undulating, due to a gradual chemical weathering of its upper surface, representing a "paleokarst environment." Underlying the Suwannee Limestone Formation is the Ocala Limestone Formation. It extends throughout most of Florida. It is composed of nearly pure limestone and is considered the Floridan Aquifer. It extends across the site’s subsurface. Angelo's used the Florida Geologic Survey's data base to determine there are six sinkholes within five miles of the proposed landfill. A seventh sinkhole, not in the data base, is the 15- foot sinkhole at the Angelo's Enterprise Road Facility landfill, a Class III landfill (yard waste and construction and demolition debris) about a mile northwest of the proposed site. Angelo's contends that the sinkhole at its Class III landfill was "induced" during construction of the facility by the diversion of stormwater runoff to an area where overburden had been removed. The average diameter of the seven sinkholes is 11.9 feet. The Geology of the Proposed Site Rule 62-701.410(2)(c) requires a geotechnical site investigation and report, which shall: Explore and describe subsurface conditions including soil stratigraphy and ground water table conditions; Explore and address the presence of muck, previously filled areas, soft ground, lineaments, and sinkholes; Evaluate and address fault areas, seismic impact zones, and unstable areas as described in 40 C.F.R. 258.13, 258.14 and 258.15; Include estimates of the average and maximum high ground water table across the site; and Include a foundation analysis to determine the ability of the foundation to support the loads and stresses imposed by the landfill. It may include geotechnical measures necessary to modify the foundation to accommodate the imposed loads and stresses. The foundation shall be analyzed for short-term, end of construction, and long-term stability and settlement conditions. Considering the existing or proposed subgrade conditions and the landfill geometry, analysis shall include: Foundation bearing capacity; Subgrade settlements, both total and differential; and Subgrade slope stability. Angelo's conducted a geotechnical site investigation, but it was not adequate, as discussed below and in sections I. and J. The proposed landfill site is geologically complex, having features that are discontinuous horizontally and vertically. The site has karst features or areas where the limestone has dissolved. There is a clay layer in some areas, but it is not continuous and its depth and thickness vary. There are deposits of hard and soft sands at various depths. There are pinnacles of limestone surrounded by softer materials. Photographs from a quarry called the Vulcan Mine, located on the western flank of the Brooksville Ridge, show exposed features in the top 20 to 30 feet of the Suwannee Limestone in the region. The features at the Vulcan Mine are roughly similar to features at the Angelo's site. There are a number of shallow depressions on the surface of the ground on the Angelo's site. The origin and significance of these depressions was a matter of dispute. The Aligned Parties believe they represent sinkhole activity, but the evidence presented did not rise to the level of proof. However, Angelo's did not prove they were unassociated with geotechnical issues that could affect the proposed landfill. Angelo's offered no reasonable explanation for the depressions. Determining the exact cause of the depressions may not be possible even with more extensive investigation, but it was Angelo's responsibility as the permit applicant, pursuant to rule 62-701.410(2)(c), to make a greater effort to account for them. Angelo's initial permit application identified two intersecting lineaments on Angelo's property, based on aligned lowlands, enclosed valleys, and ponds. Angelo's contends the lineaments do not reflect an unstable subsurface or fractured limestone. The Aligned Parties contend that the lineaments are regional features and reflect fractures in the bedrock. They also contend that the onsite pond, which is located along the lineament, is an old sinkhole. The Aligned Parties did not prove the proposed landfill site is above an area of fractured bedrock, but the evidence presented by Angelo's was incomplete and insufficient to show there are no fractures. The limestone on the site was not adequately investigated for voids and fractures. Angelo's did not refute the possibility that the lineaments reflect a significant subsurface feature that could affect both site stability and groundwater movement. The Regional and Local Hydrogeology Rule 62-701.410(1) requires a hydrogeological investigation and site report, which shall: Define the landfill site geology and hydrology and its relationship to the local and regional hydrogeologic patterns including: Direction and rate of ground water and surface water flow, including seasonal variations; Background quality of ground water and surface water; Any on site hydraulic connections between aquifers; For all confining layers, semi-confining layers, and all aquifers below the landfill site that may be affected by the landfill, the porosity or effective porosity, horizontal and vertical permeabilities, and the depth to and lithology of the layers and aquifers; and Topography, soil types and characteristics, and surface water drainage systems of the site and surrounding the site. Include an inventory of all the public and private water wells within a one-mile radius of the proposed landfill site. The inventory shall include, where available: The approximate elevation of the top of the well casing and the depth of each well; The name of the owner, the age and usage of each well, and the estimated daily pumpage; and The stratigraphic unit screened, well construction technique, and static water levels of each well. Identify and locate any existing contaminated areas on the landfill site. Include a map showing the locations of all potable wells within 500 feet of the waste storage and disposal areas to demonstrate compliance with paragraph 62- 701.300(2)(b), F.A.C. Angelo's conducted a hydrogeological investigation, but it was not adequate, as discussed below. Angelo's and the Aligned Parties disputed the hydrogeological characteristics of the proposed landfill site and region. The principal disputes related to the direction and velocity of groundwater flow. Angelo's contends that groundwater flows from the landfill site to the west, making the proposed landfill site part of the Withlacoochee River groundwater basin. The Aligned Parties contend that groundwater flows south toward Crystal Springs and, therefore, the site is within the "springshed" of Crystal Springs. A United States Geological Survey map of the Crystal Springs springshed shows Angelo's proposed landfill site within the springshed. A springshed study done for SWFWMD also indicates the site is within the Crystal Springs springshed, but the District has not always been consistent in its statements about the groundwater basin boundaries in this area. A water chemistry analysis of the groundwater in the area of Angelo's proposed landfill indicates that the site is an area of higher recharge and within the Crystal Springs springshed. The springshed boundary can shift, depending on rainfall. Angelo's hydrogeological evidence was not sufficient to refute the reasonable possibility that the proposed landfill site is within the Crystal Springs springshed. Therefore, the Department's determination whether Angelo's has provided reasonable assurances must account for the threat of contamination to Crystal Springs and the other public and private water supply sources to the south. There are no creeks or streams and only a few lakes in the area between Crystal Springs and the Angelo's site. The absence of surface runoff features indicates it is an area of high recharge to the groundwater. Crystal Springs is in an area of conduit flow. The hydrologic investigation conducted by Angelo's was not thorough enough to characterize surficial aquifer flow and flow between aquifers. The preponderance of the evidence shows more groundwater recharge to the Floridan Aquifer in the area than estimated by Angelo's. Angelo's hydrogeological investigation was inadequate to refute the possibility of fractured flow or rapid groundwater movement at the proposed landfill site. Angelo's contends there is a continuous clay confining layer that would prevent contamination from moving into deep zones, but the preponderance of the evidence shows discontinuity in the clay and large variations in thickness and depth. The landfill's impermeable liner will impede water movement downward from the landfill, but groundwater will still recharge from outside the landfill to carry any contaminants deeper. If fractured flow or conduit flow extends south from the proposed landfill site, any leachate released into the groundwater beneath the landfill could travel rapidly toward the water supply sources of the City of Zephyrhills, Crystal Springs, Nestlé, and the City of Tampa. Whether the Proposed Landfill is in an Unstable Area Rule 62-701.200(2)(a) prohibits the storage or disposal of solid waste "[i]n an area where geological formations or other subsurface features will not provide support for the solid waste." However, the Department has adopted by reference a federal regulation, 40 C.F.R. 258.15, which allows a landfill to be constructed in a geologically unstable area if the permit applicant can demonstrate that engineering measures are incorporated into the design to ensure that the integrity of the landfill’s structural components "will not be disrupted." The parties presented evidence on many disputed issues of fact at the final hearing, but most of the case involved two ultimate questions: whether the proposed landfill site is unstable and, if so, whether Angelo's has proposed measures that would eliminate the unstable conditions and make the site suitable for a landfill. as: An "unstable area" is defined in 40 C.F.R. § 258.15 A location that is susceptible to natural or human-induced events or forces capable of impairing the integrity of some or all of the landfill structural components responsible for preventing releases from a landfill. Unstable areas can include poor foundation conditions, areas susceptible to mass movements, and Karst terrains. There is overwhelming evidence that the proposed landfill site is an unstable area. A considerable amount of evidence presented by Angelo's supports this finding. For example, Angelo's experts agreed there are loose soils, evidence of raveling, and sinkhole activity. These conditions make the site susceptible to natural or human-induced events or forces capable of impairing the integrity of some or all of the landfill structural components responsible for preventing releases from the proposed landfill. The Department's landfill permitting staff requested a sinkhole risk assessment from the Florida Geologic Survey ("FGS"). The State Geologist and Director of the FGS, Dr. Jonathan Arthur, believes the potential for sinkhole formation at the proposed site is moderately high to high. That potential is consistent with the characterization of the area as unstable. Whether the Proposed Engineering Measures Are Adequate Because the site is unstable, Angelo’s must demonstrate that engineering measures have been incorporated into the landfill's design to ensure that the integrity of its structural components will not be disrupted. See 40 C.F.R. § 258.15(a). The engineering measures proposed by Angelo's are discussed below. Because it was found that Angelo's hydrogeological and geotechnical investigations were not sufficient to characterize all potentially unstable features of the subsurface, it was not demonstrated that the proposed engineering measures would overcome the instability and make the site suitable for a landfill. Roller Compaction Angelo's would use roller compaction on the graded floor of the landfill to compact the soils to a depth of about five feet and eliminate any voids within that depth. The Aligned Parties did not contradict Angelo's evidence that its proposed roller compaction will be done in a manner exceeding what the Department usually requires as far as roller force and the number of roller "passes." However, roller compaction will not affect deep voids. Liner System In order to ensure that the landfill’s liner system components will not be disrupted in the event of a sinkhole, Angelo’s proposes to include the reinforcement geotextile discussed above. The Department previously approved the use of geotextile reinforcement, combined with grouting, to demonstrate site stability for the Hernando County Northwest Landfill, which had a comparable risk of sinkhole formation according to the Department. The reinforcement geotextile can span a 15-foot diameter sinkhole without failure. As found above, the average diameter of the seven sinkholes within five miles of the proposed landfill is 11.9 feet. Angelo's proved that the proposed liner system meets all applicable criteria, except the requirement of rule 62- 701.400(3)(a) that the liner be installed upon a geologically stable base. Grouting Plan Angelo's grouting plan would be implemented to fill voids and stabilize areas of loose or weak material. The grouting plan was first designed to grout all locations where there was a Weight of Hammer, Weight of Rod, Loss of Circulation, or loose sands, as indicated by a low blow count. Angelo's revised the grout plan to include several more areas of concern identified later, for a total of 39 locations. Each grout location would have seven grout points, one in the center and six others equally-spaced on a ten-foot radius from the center. If more than ten cubic yards of grout is needed, additional grout points further outward would be injected until the void or loose soils are filled or stabilized. Although Angelo's proposes to grout every boring of concern, that still ties the integrity of the grouting plan to the thoroughness of the borings. The geologic evidence indicates that there are unstable areas which the grouting plan does not address. The Aligned Parties' MER analysis was persuasive in identifying potential areas of instability that were omitted from Angelo's investigation and from its grouting plan. There are other unstable areas existing on the site that should be grouted or otherwise engineered to provide support for the landfill. The grouting plan does not provide reasonable assurance that the integrity of the structural components of the landfill will not be disturbed. Other Issues Raised by the Aligned Parties The Aligned Parties raise a number of other issues, some of which begin with the assumption that the site is unstable and a large sinkhole would form at the landfill. This sometimes mixes issues inappropriately. It has been found that Angelo's did not provide reasonable assurance that the site will support the proposed landfill, but other project elements must be reviewed on their own merits where possible, assuming the site was engineered for stability. Leachate Collection System There is a single leachate collection trench in the center of the two landfill cells, which makes the landfill operate much like a single cell. The two halves of the cell slope toward the center, so that leachate will drain to the leachate collection trench, and the entire landfill slopes to the west, so that the trench will drain to a sump from which the leachate is pumped to storage tanks. At full capacity, the landfill will generate about 40,000 gallons of leachate per day. Careful cutting and grading of the earth is necessary to create the slopes that are essential to the proper functioning of the project’s leachate collection system. Settlement analyses are necessary to assure that the slopes are maintained. Rule 62-701.410(2)(e) requires a foundation analysis which must include a study of "subgrade settlements, both total and differential." "Total settlement" refers to the overall settlement of a landfill after construction and the loading of solid waste. "Differential settlement" compares settlement at two different points. Angelo's did not meet its burden to provide reasonable assurance on this point. The settlement analysis conducted by Angelo's was amended two or three times during the course of the final hearing to account for computational errors and other issues raised by the Aligned Parties. The analysis never came completely into focus. The final analysis was not signed and sealed by a professional engineer. The settlement analysis is dependent on the geologic analysis, which is inadequate. Without adequate settlement and geologic analyses, it cannot be determined that leachate collection would meet applicable criteria. Storage Tanks The Aligned Parties contend that the leachate storage tanks cannot be supported by the site. Because it was found that Angelo's geologic investigation was not adequate to identify all unstable areas, it is also found that Angelo's failed to provide reasonable assurance that the site would support the leachate storage tanks. In all other respects, the Aligned Parties failed to refute Angelo's demonstration that the storage tanks would meet applicable criteria. Groundwater Monitoring Plan The Aligned Parties contend that there is an insufficient number of monitor wells proposed by Angelo's to detect a leak from the landfill and the wells are too shallow. Because it was found that Angelo's did not adequately characterize the geology and hydrology of the proposed landfill site, the monitoring plan does not provide reasonable assurance of compliance with applicable criteria. Cell Design The Aligned Parties contend that the "mega-cell" design proposed by Angelo's provides less flexibility to respond to and isolate landfill problems than other landfill designs with smaller cells, and the mega-cell design could generate more leakage. No evidence was presented to show whether Angelo's design was one that had been approved or rejected in the past by the Department. Although it is not the best landfill design, the Aligned Parties did not show that the proposed design violates any permitting criteria. Operation and Closure The evidence presented by the Aligned Parties in support of their issues regarding the operation of the proposed landfill, such as noise, odor, and traffic, was not sufficient to refute Angelo's evidence of compliance with applicable criteria, with one exception: Angelo's has not provided an adequate contingency plan to show how it would respond to a sinkhole or other incident that required the landfill to be shut down and repaired. Assuming the site was engineered to support the landfill, there is nothing about the Closure Plan that the Aligned Parties showed does not meet applicable criteria.
Recommendation Based on the foregoing Findings of Fact and Conclusions of Law, it is RECOMMENDED that the Department of Environmental Protection deny Angelo's Permit Application Nos. 22913-001-SC/01 and 22913- 002-SO/01. DONE AND ENTERED this 28th day of June, 2013, 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 28th day of June, 2013. COPIES FURNISHED: Carl Roth, Qualified Representative 8031 Island Drive Port Richey, Florida 34668-6220 Christopher M. Kise, Esquire Foley and Lardner, LLP 106 East College Avenue, Suite 900 Tallahassee, Florida 32301-7732 Wayne E. Flowers, Esquire Lewis, Longman and Walker, P.A. Suite 150 245 Riverside Avenue Jacksonville, Florida 32202-4931 Janice M. McLean, Esquire City of Tampa 7th Floor 315 East Kennedy Boulevard Tampa, Florida 33602-5211 Joseph A. Poblick, Esquire City of Zephyrhills 5335 8th Street Zephyrhills, Florida 33542-4312 Doug Manson, Esquire William Bilenky, Esquire Brian A. Bolves, Esquire Manson Bolves, P.A. 1101 West Swann Avenue Tampa, Florida 33606-2637 Jacob D. Varn, Esquire Linda Loomis Shelley, Esquire Karen A. Brodeen, Esquire Fowler, White, Boggs, P.A. 101 North Monroe Street, Suite 1090 Tallahassee, Florida 32302-1547 David Smolker, Esquire Smolker, Bartlett, Schlosser, Loeb and Hinds, P.A. Suite 200 500 East Kennedy Boulevard Tampa, Florida 33602-4936 Stanley Warden, Esquire Christopher Dale McGuire, Esquire Department of Environmental Protection Mail Station 35 3900 Commonwealth Boulevard Tallahassee, Florida 32399-3000 William D. Preston, Esquire William D. Preston, P.A. 4832-A Kerry Forest Parkway Tallahassee, Florida 32309-2272 Herschel T. Vinyard, Jr., Secretary Department of Environmental Protection Mail Station 35 3900 Commonwealth Boulevard Tallahassee, Florida 32399-3000 Matthew Z. Leopold, General Counsel Department of Environmental Protection Mail Station 35 3900 Commonwealth Boulevard Tallahassee, Florida 32399-3000 Lea Crandall, Agency Clerk Department of Environmental Protection Mail Station 35 3900 Commonwealth Boulevard Tallahassee, Florida 32399-3000
Findings Of Fact On a site that would abut St. Johns County on two sides, the City proposes to develop as a landfill about 400 of the 880 acres it owns in the southeast corner of Duval County. The proposed southeast landfill is designed to serve the approximately 300,000 people living in Duval County south and east of the St. Johns River, by receiving 1,700 tons of solid waste a day for ten years, 400 or 500 tons a day more than people in that part of the city now generate. Sandhill and Swamp Scattered over the portion of the property proposed for solid waste deposition are cypress marshes and blackgum sloughs isolated from a swamp and from each other by upland pine plantation and sandhills. Except for some 40 acres cut off from the remainder by a fill road, the hardwood swamp covering approximately 265 acres of the City's property is part of the pristine "Durbin Swamp system which is a major wildlife area, including habitat for threatened and endangered species." T. 2820. Durbin Swamp south of J. Turner Butler Boulevard and east of U.S. Highway 1 is "the most valuable wildlife habitat in the area, maybe in the southeastern United States." T.2921, 3058. The City's consultants characterized 64 of the 123 gopher tortoise burrows they found on some 105 acres in the southern part of the site as active. Sherman's fox squirrels feed and nest on the property. Although "very little of the sand hill habitat [remains] in its natural condition on the property," (T. 185) turkey oak, long leaf pine and sand pine communities do survive. Isolated wetlands scattered through the eastern portion of the site have also been timbered, and ditches intersect many of them. St. Regis Paper Company, who owned the land until earlier this decade, "dug a series of canals . . . to drain . . . part of the land ["it was called upper wetlands"] . . . so that the ground could be high enough to raise good grade pine trees." T. 1417. "The isolated wetlands . . . provide habitat diversity for wildlife, a seasonal source of drinking water, possible refuge during forest fires, as well as breeding and forage locations," (T. 1255) according to the City's draft application. "Wildlife noted on the site includes Florida black bear, white-tailed deer, raccoon, armadillo, cottonmouth, river otter, common night-hawk, alligator, yellow bellied sapsucker, turkey, frog, quail, dove and red- shouldered hawk," (T. 1255) also according to the City's draft application. Bobcats are common. According to the St. Johns River Water Management District's chief environmental specialist, "animals that you would find utilizing the uplands . . . would be a range of small rodents [including] mice, rabbits . . . insects, [mostly tree] frogs, toads, snakes [including] black snakes, rat snakes . . . [o]possums . . . pastorine birds, cardinals, bluejays, blackbirds . . . [and] probably some hogs." T.537-8. Wood storks wade and feed in the isolated wetlands on site. Wood stork rookeries have been found five miles to the southeast and seven miles north of the City's property. Bald eagles nest nearby but off site. Eagles used the now abandoned eagle nest on Eagle Nest Island "three-quarters of a mile from this proposed landfill site," (T. 1419) at least as recently as 1983. One or more eagles still perch on a dead cypress limb on the property (T. 2422), if not elsewhere on site. Ospreys, southeastern American kestrels (T.2918) and six or seven species of woodpeckers, including the rare hairy woodpecker (T2914) have also been seen on site. "There are dirt logging roads just as there are in any property in Florida, but not a great number." T. 2751. "Almost all of the pine flatwoods habitat on the site has been replaced with planted pine." T. 184. The property is comparable to the Wacasassa tract in Gilchrist County which is on the Conservation and Recreational Lands list and under consideration for state acquisition because of its "comparatively unaltered nature." T. 2721. In the past, conservation efforts have brought animals to the property for refuge. T. 1420. Listed Species The Florida Game and Freshwater Fish Commission (Game and Fish) lists the gopher tortoise and the Shermans's fox squirrel, said by one witness to be "imminently threatened," (T. 2899) as species of special concern. T. 2875. A species of special concern "is beginning to show a decline and needs to be . . . considered as a target of conservation and if present conditions continue it's going to be listed as threatened." T.2874. Game and Fish lists the Florida black bear, the southeastern American kestrel and the bald eagle as threatened, the same category in which the United States Fish and Wildlife Service (Fish and Wildlife) lists the American alligator. A threatened species is one destined to become endangered "if present trends continue." T.2874. Both Game and Fish and Fish and Wildlife list the wood stork as endangered, and Fish and wildlife lists the bald eagle as endangered. "An endangered animal is one that under present conditions is in danger of becoming extinct in the near future." T.2874. Listed in the Convention on International Trade of Endangered Species are the bobcat and the river otter. By definition, rare animals are not often seen in the wild. The parties stipulated that the staff of CZR, Inc., a consultant engaged by the City, spent an aggregate of 1400 man-hours on the landfill site, of which 429 man-hours were spent on site for the purpose of performing a wildlife survey. T. 2803. Despite their effort and putative expertise, the City's consultants did not see even a single listed animal. This failure contrasts with sightings by hunters and other experts who spent less time on site, and may be attributable to the time of year (two weeks in the fall) the survey was performed (T. 2425-27, 2893, 2899) or to the way in which it was done, (T. 2429, 3067, 3068) which a wildlife ecologist testified rendered it of "trivial value." T. 3079. The study was expedited in anticipation of a hearing date. T. 2426-27. In any case, the survey does not give reasonable assurance that species whose range includes the City's property are not present in suitable habitat on site. T. 2896-97, 3079-80. This is, indeed, the conclusion the City's own experts reached as regards the gopher tortoise itself, because of the clear sign these creatures' burrows give of their use of the property. Similarly, with respect to the Sherman's fox squirrel, although only a single individual was spotted, distinctive nests and piles of pine bracts on site established their presence. Bear tracks corroborate infrequent sightings on the property, as well as south and east of the site. On a large tract of land to the north, bears are fed daily; three or four feed each day. T. 2421. Alligator sign bore witness to the alligator's use of the property, although the only sighting clearly proven at hearing occurred just across the boundary line. Of course, wildlife does not respect legal boundaries. There is no reason not to believe that the red-cockaded woodpeckers, with six active nests within three miles or the Bachman's sparrows heard singing nearby do not frequent the City's property, which offers suitable habitat for both. It is even possible that the Florida panther, common in the area as recently as 30 years ago, may have roamed the site in more recent years in pursuit of deer or feral hogs. Two witnesses swore they had seen Florida panthers within two miles of the site, one only a few months before the hearing, (T. 1362, 1371, 1419), and a third testified he thought a "cat" he had seen two and a half or three years before the hearing just north of the site was a Florida panther. T.2429-32. The Florida Everglades mink, a threatened species according to Game and Fish, has been spotted at least twice in a cypress bog across the street from the City's property, and probably occurs on the property, as well. Not spotted either on the City's property or on adjacent land, the Florida mouse, the eastern indigo snake and the gopher frog are known to make their homes in gopher tortoise burrows. Of these listed commensal species, the indigo snake is particularly likely to inhabit the site. "The blue indigo snake was turned loose on that property in . . . '81 or '82, since it was an endangered species." T. 1420. The site also affords suitable habitat for the long tailed weasel, under review for listing. Game and Fish has listed the Florida mouse and the gopher as species of special concern. Bachman's sparrow is under review for listing. Fish and wildlife views both the red cockaded woodpecker and the Florida panther as endangered, while Game and Fish views the latter as endangered but the former as threatened only. Aquatic or Wetland Dependent An "aquatic and wetland dependent" species is a species that "requires wetlands or aquatic systems to satisfy some critical biological need in its natural life cycle," (T. 524) apart from simply drinking water. "[W]ithout wetlands or aquatic systems, these species would probably be extirpated from the state." Id. The Sherman's fox squirrel, the gopher tortoise, the Florida mouse, the Florida long-tailed weasel, the southeastern kestrel, and Bachman's sparrow are not aquatic or wetland dependent. Because they use watery environments for feeding, reproduction and other purposes, the alligator, the wood stork (the only stork in North America) and the gopher frog are aquatic and wetland dependent. Because "the whole black bear population in our state seems to shift . . . primarily in the fall and winter months, to the wetlands and . . . eat . . . fruit produced in wetland trees," (T. 527) the black bear is deemed wetland dependent. The indigo snake is also so classified because it "seemed to be heavily dependent upon eating frogs." (T. 526). Even though not wetland dependent "historically and naturally," (T. 527) the "less than probably 100 Florida panthers left in the state" are now so viewed because "they have more or less been restricted to the major swamp systems," id., without which they probably would not survive. The contiguous wetlands on site comprise the headwaters of Durbin Creek, which empties into Julington Creek shortly before Julington Creek reaches the St. Johns River. Large scale residential development of lands lying within the watershed of Durbin and Julington Creeks has been proposed. Durbin Creek and the swamp that gives rise to it serve as a "juvenile fish nursery" (T. 2468) for white shrimp, blue crabs, croaker, anchovies, bream, bass, shellfish, bluegill, and sheepshead. Lower dissolved oxygen levels or other stressors in Durbin Creek would decrease populations in fisheries already at carrying capacity, and already threatened by the prospect of overdevelopment. Dredging and Filling The City intends to build a road running east and west between the landfill site and U.S. Highway 1 following, for the most part, an existing dirt logging road, and crossing Old Kings Road, built in 1765 to connect the capital of colonial Georgia with St. Augustine. Turbidity screens and staked hay bales would be used during road construction to protect adjacent waters. After construction, seeding and mulching would stabilize the sloping shoulders of the fill road. In connection with construction of the access road, plans call for filling wetlands contiguous to Durbin Swamp, 2.8 acres within DER's jurisdiction and 3.5 acres within St. Johns River Water Management District's jurisdiction. Fetterbush, gallberry, scrub palmetto, cinnamon fern, bamboo vine and sphagnum moss grow in these contiguous wetlands, under a canopy of slash pine, loblolly bay, cypress and swamp tupelo. The proposed Class III disposal area would lie two hundred feet north of the south property boundary and 600 feet west of the east boundary. Over significant portions of this 88-acre site, fill dirt is to be used to raise the grade, because the land is so low. Enough fill is to be placed in the marshes and sloughs to avoid depositing solid waste in the water. Trucks would haul fill dirt to the eastern part of the site ("the area starting at the northeast corner of the Class III landfill and extending about 300 feet to the west, starting from a point about midway along the eastern margin of the landfill, and extending about 450 or 60 feet to the west, and along the southern portion of the Class III landfill, about . . . 600 feet" T. 1562) and elsewhere on site, smothering isolated wetlands, where more or less healthy vegetation, generally of the kind found in the contiguous wetlands, now grows. The 132-acre Class I disposal area, which would abut the Class III area on the north, would also cover isolated wetlands now on the site. Together with excavation of associated stormwater retention basins, the disposal areas would disturb a total of 46.3 acres of isolated wetlands within the St. Johns River Water Management District's jurisdiction. The St. Johns River Water Management District originally asserted jurisdiction over 48.5 acres of isolated wetlands, City's Exhibit No. 80, but the objectors offered no evidence that staff's subsequent decision that vegetation on one 2.3-acre parcel did not qualify was erroneous. This total does not include isolated wetlands less than half an acre in extent or isolated wetlands lying both within and without the disposal areas which will cease to function as such when truncated by dredging or filling. In this latter category are some ten acres that will not themselves be dredged or filled. T. 2777-8. St. Johns River Water Management District identified 5.3 acres of high quality isolated wetlands with connections off-site that are to be impacted, City's Exhibit No 80, along with another 11.2 acres of "low quality" isolated wetlands. Id. No stormwater retention basin would intrude into DER's jurisdictional wetlands, but approximately nine tenths of an acre falling within the St. Johns River Water Management District's contiguous wetlands boundary would be devoted to stormwater retention basins. Replacement Wetlands To mitigate the planned filling of contiguous wetlands for construction of the access road, the City proposes "to excavate 3.5 acres of nonjurisdictional pine plantation and create a contiguous swamp wetland." City's Exhibit No. 56. Mature dahoon holly, loblolly bay, cypress and gum trees "will be transplanted from on-site [isolated] wetlands proposed for construction impact." Id. A tree spade is to be used to transplant trees with trunks as much as 12 inches in diameter at "breast height" and up to 50 feet tall, along with existing soils, microbial communities and adjacent understory vegetation. The "physical structure of the trees themselves . . . provide a good deal of the habitat." T. 436. Removing mature trees from isolated wetlands and replanting them in created wetlands would, to some extent, mitigate the loss of perches for bald eagles and other birds. Mature trees in the created wetland would be replanted at a density "approximately half that of existing on-site wetlands to be impacted." Id. Only 80 percent of the replantings are to be replaced, if they die; and then only if it is clear within three years that replacement is needed. A six-inch layer of organic soil, to be spread after the trees have been transplanted, would "provide for growth of herbaceous vegetation." Id. The City would monitor the created wetland (part of mitigation area "A") for three years and transplant additional trees, if needed to assure survival of not less than 80 percent of the number of trees originally planted. Of these 3.5 acres, the City has identified 2.8 as specifically intended to mitigate the filling of wetlands within DER's jurisdiction. With respect at least to this portion, the created wetland "will function probably much the same as the 2.8 acres" (T. 2765) to be filled in constructing the access road and "would compensate for the" (T.2765) attendant loss of vegetation. In transplanting mature hardwoods, "[i]t's sort of a physical impossibility to get all the root material . . . [and y]ou also get some loss of branches, limbs and stems just from the physical movement of the tree." T. 2482-83. One reason a wetland "system stays wet . . . is a thick canopy." T.2486. With more sunlight streaming through a sparser canopy, the "vegetation is not going to be the same." T. 2487. "[B]ecause you don't expect the wetlands to function as well as the original wetlands you're replacing, there is a general rule of thumb that . . . you create twice as much wetlands as the wetlands you've destroyed." T. 2488. "A three-to-one ratio would not be unusual for a good mature forested hardwood system." T.467. St. Johns River Water Management District's Applicant's Handbook calls for a ratio between 2:1 and 5:1, but states: "The ratios may also be adjusted when wetlands creation is combined with wetland mitigation proposals such as an open buffer area adjacent to the wetlands, conservation easement, wetland enhancement proposals or alternative mitigation proposals." T. 504. The ratio proposed here is less than one to one. In all, mitigation area A would comprise 11.0 acres of what is now pine plantation. Aside from a .55 acre pond in the middle, mitigation area A would consist of wetlands contiguous to existing wetlands on which three different, if related, vegetative communities are to be planted. In addition, the City proposes to create three different isolated wetland areas, one of which (mitigation area D) it characterizes as "high quality." Six acres of what is now pine plantation would be excavated on the north edge of the property. Using the same, experimental techniques proposed for mitigation area A, cypress trees would be placed on 3.4 acres, and 2.6 acres would be devoted to a combination of loblolly, cypress and dahoon holly. Another 9.8 acres of isolated wetlands would be created within borrow pits, 6.8 acres in borrow area No. 1 (mitigation area B) which would include .55 acres of open water, and 3.0 acres in borrow area No. 2 (mitigation area E.) Just north and east of the truck scales, mitigation area B would receive 200 adult trees per acre planted to the extent they are available on site, or 400 trees per acre planted with nursery stock. The same density is planned for mitigation area E, to be located across the road from stormwater retention basin 4. The City also proposes to remove a segment of a logging road built on fill that now cuts off 40 acres from the remainder of Durbin Creek Swamp. Removal of the fill and revegetation would not only increase the extent of the swamp by 0.3 acres, it would restore historic sheet flow in that part of the swamp. Finally, the City proposes to spread muck, if available, over the shallow, southern part of stormwater retention basin 2 and plant 12 acres of grass ("[w]etland herbaceous species" City's Exhibit No. 80) which, however, the City reserves the right to dredge up "from time to time". Id. p.13. Other Effects, Other Mitigation Building and operating the landfill on the site proposed would displace upland wildlife and fragment largely undisturbed and undeveloped wildlife habitat. Fences along the northern, eastern and southern site boundaries would present a physical barrier. Human activity, particularly daytime traffic on the access road, would also create a "bio-geographical barrier." Developing a landfill at the edge of the swamp amounts to "leapfrogging," instead of expanding existing pockets of industrial or other development. A witness characterized the area to the south of the site as "rural developed"; some 164 people live within a mile of the center of the site. T. 78. But private ranch lands to the north, like undeveloped land to the east, afford good wildlife habitat. Habitat fragmentation divides and isolates animal populations. "Fragmented populations are more susceptible to disease, inbreeding and with time, poaching." T. 2890. The landfill would displace gopher tortoises, their commensals, if any, and other wildlife using sandhill or pine plantation habitat, as well as wildife, including wood storks and other migratory birds, making use of the isolated wetlands that are to be filled over. With the filling of isolated wetlands, migratory birds would lose holly berries and other forage. Filling or excavating acreage at the periphery of the swamp would also destroy habitat and displace wildlife. Wildlife now on site reaching suitable habitat elsewhere will have to compete for limited space against animals that have already established territories. The result should be a net decline in populations. T.2898. Increasingly sequestered, the Durbin Swamp system is already under pressure from urbanization to the north. For animals that remained in the vicinity, development of the landfill would occasion other difficulties. But evidence that landfill noises and odors "would have no discernible impacts to the value of wetlands as habitats for aquatic and wetland dependent species" (T. 528) went unrebutted. A buffer of at least 50 feet would separate contiguous wetlands from stormwater basins and other construction, but this is considerably less than the 528 feet Dr. Harris testified was necessary to avoid "greatly erod[ing] the native faunal diversity of the Durbin Swamp wildlife." T.3073-74. Placement of the landfill on this site would increase the numbers of a half dozen "middle-sized mammal omnivores" (T. 3078) so that gopher tortoises, turkey, quail, "anything that nests on the ground will be subject to the plundering by the enhanced population of raccoons, opossums, gray foxes, red foxes . . . and such." T. 3079. Increased numbers of armadillos would also pose a heightened threat to animals that nest on the ground. Landfill operations can be expected to attract seagulls and birds of other species, including nest predators and the brown-headed cowbird, which takes over other birds' nests to lay its own eggs (T. 3071-2) and would pose a particular threat to Swainson's warbler. It is not clear that any of the mitigation areas the City proposes is intended to replace wood stork feeding habitat that would be lost to dredging and filling. Wood storks feed on dense fish populations in shallow water, when receding water levels make the fish easier to catch. Isolated wetlands on site that have served this function would be lost (T. 2419), although not all of the isolated wetlands to be lost have enough water to support the kind of fish on which wood storks prey. The deep, steep-sided ponds planned for the mitigation areas do not replicate the necessary conditions. Whether birds may safely feed in or drink from untreated stormwater run-off in shallow portions of the retention basins is doubtful. When it rains, particularly the initial flush of run-off would deliver pollutants, including oil, greases and gasoline left by garbage trucks, to the retention basins. T. 1820-1. Removing the fill road and restoring normal flows to the 40-acre patch of the swamp on the other side, as the City proposes, would not add to feeding areas available to wood storks, except for the 0.3-acre roadway itself. The project would disrupt "very superior black bear habitat." T. 3059. Tending to avoid human activity, bears would likely range further east, foregoing foodgathering on site. On the other hand, food or other refuse brought to the landfill might lure bears to their deaths, intentional or accidental. "[C]ollisions with human vehicles," (T. 3062) is the chief cause of black bear mortality in Florida. Bears have been killed in this fashion within a mile of the site, (T. 351 1411-4, 2438) although not during daylight hours when the landfill would be in operation and garbage trucks would travel the access road. Creation of wetlands will not mitigate destruction of upland habitat. On the contrary, additional upland would be taken to create the wetland mitigation areas planned. But the City proposes to give a conservation easement on 129 acres of upland, adjacent to the swamp, that is to remain undeveloped. The upland easement would preclude a host of uses inimical to wildlife, and would mitigate to some extent the loss of wetland habitat for animals which use both uplands and wetlands, like the black bear, even though cut over slash pine plantation is among the very least important or productive wildlife habitats in Florida. The easement would not include sandhill habitat. The City has also undertaken to give a conservation easement covering some 260 acres of wetlands contiguous with Durbin Creek Swamp. This would not, of course, increase the extent of existing wetlands, but it would add a measure of protection for those that survived the project. Perhaps most importantly the wetland conservation easement would preclude expansion of the landfill further into the wetlands, as long as it remained in force. Existing regulatory restrictions on the use of wetlands prevent many uses, even without an easement. Apparently no regulation precludes harvesting bottomland hardwoods, however, so long as no excavation is involved, and vegetation, once severed, is not redeposited on site. But converting deforested areas to pinelands, without a permit from the Army Corps of Engineers would probably not be authorized, under 33 U.S.C. s.1344 (f)(2). See Avoyelles Sportmen's League, Inc. v. Marsh, 715 F.2d 897 (5th Cir. 1983). The City proposes to relocate gopher tortoises and any indigo snakes, gopher frogs or Florida mice that can be found to an unspecified new home off- site. Survival rates for gopher tortoises after similar relocations in the past have ranged between 30 and 100 per cent. By the year 2,000, the St. Johns County gopher tortoise population is predicted to fall by 90 percent, and Duval County is predicted to be devoid of gopher tortoises, even without relocation efforts of the kind proposed. Some or all of the gopher tortoises slated for removal may be descended from those who were brought to the site from Lake City. Perhaps even some who started out in Lake City would themselves make this second exodus to a new promised land. Stormwater Management The site proposed for the southeast landfill does not lie within a basin for which the St. Johns River Water Management District has adopted volumetric requirements. A "set of double [triple (T.1740)] box culverts five feet by eight feet . . . and . . . four other," (T. 425-6), "equalizer culverts," large enough for bears to move through (T. 415) would convey preexisting surface flows. A cross drain in the vicinity of the service plaza would serve the same function. Flood elevations would not increase more than a foot immediately upstream or more than 0.1 feet 500 feet upstream. The access road would not impound surface waters. Exfiltration trenches paralleling the access road "designed based on South Florida's criteria" (T. 1737) would filter contaminants from water running off the road. Within 72 hours of a 24-hour, 25-year return storm, the exfiltration system would be able to treat twice the volume of stormwater that recurrence of such a storm would generate. T. 1743. The scale plaza area where garbage trucks moving east on the access road would be weighed before being directed further down the road to a disposal area, is to be built on an upland portion of the property, and with it a wet detention pond to which surface water from the plaza and associated roadway would drain. Swales and berms would divert surface flow from undeveloped parts of the property that might otherwise reach the detention pond. The interceptor ditch and associated works would reduce by 2.5 hours the time of concentration for runoff from a 202-acre watershed, but cause no other changes in watershed characteristics. A weir would make it possible to regulate overflows and allow detention of run off long enough for biological assimilation of most pollutants. For the 25 year return, 24-hour storm, the pre-development peak rate of discharge (6.3 cubic feet per second) is less than the post-development peak rate without detention (18.4 cubic feet per second) but more than the post- development peak rate of discharge with detention: 3.9 cubic feet per second. An orifice below the weir, with a diameter of 1.5 inches, is designed to discharge less than half the treatment volume (22,088 cubic feet or 2.5 inches times the impervious portion of the area drained) in 64.21 hours. The design meets DER and St. Johns River Water Management District criteria. Portions of stormwater retention basins 1 and 2, situated north of the disposal areas, would lie within the 100-year flood plain. These two retention basins are designed to receive stormwater running off the Class I site or diverted around the site, as is stormwater retention basin 3, while stormwater retention basin 4 is intended to collect stormwater flowing off or around the Class III disposal area. Stormwater retention basins 3 and 4, like the southern area of stormwater retention basin 2, are not to be excavated to a depth of more than five feet below grade, to prevent groundwater from seeping into stormwater retention basins, dewatering the wetlands where it would otherwise emerge. With terraces at 20-foot intervals, to a height of 60 feet above grade for the Class I site and 40 feet above grade for the Class III site, both landfills would resemble Mayan temples, at build out. Ditches around the perimeter of each terrace are designed to convey stormwater to slope drains which would bear water to the level below, eventually to the perimeter ditch on grade, from which it would flow, through box culverts under roads built around the landfill, into the retention ponds. To the extent necessary to prevent groundwater infiltration, the ditches are to be lined. Stormwater retention basin 2 has two discharge structures, while each other basin has a single discharge structure leading to a ditch that would convey stormwater to Durbin Swamp. Perforated pipes, swathed in filter cloth, would be buried under highly permeable sand, along the sides of the retention ponds. Installed above seasonal low groundwater elevations, in order to avoid draining groundwater from the area around the ponds, during dry seasons, (T. 1781) they would have to go below seasonal high groundwater elevations, in order to be low enough to serve as drains for the retention ponds. Ambient groundwater would seep into the pipes, whenever groundwater levels outside the ponds rose above the pipes' elevation. But the pipes would still be able to drain the retention ponds, because of the relatively greater (vis-a-vis soils on site) hydraulic conductivity of the highly permeable sand to be trucked in for use as a filter medium. In time, these side drains or underdrains would clog and require expensive maintenance. But, assuming proper maintenance of the retention pond drains and of the drains that make up the roadway exfiltration system, the landfill and associated development would not flood or dewater wetlands that are not themselves to be dredged or filled. Except what is lost to evaporation, water entering the retention ponds would reach the wetlands, whether through the underdrains, over the weirs and through the conveyance ditches, or by movement underground after seeping through the bottom of the basin. The post-development peak rate of discharge from the area draining into the stormwater retention basins should not exceed pre-development rates for a 24-hour 100 year return storm or any lesser event. Because of roads and other impervious surfaces, a greater volume of surface water should reach the wetlands, causing stages about two inches higher than under pre-development conditions in "a typical summer thunderstorm." T.1782-3. The increase in surface flow corresponds to a decrease in water percolating down into the groundwater, and may result in additional loss to evaporation of water that would otherwise reach wetlands. But any such effect will be slight; surface and groundwater levels and surface water flows will not be adversely affected. T. 1783. Nor will existing surface water storage capabilities be adversely affected, despite the placement of portions of retention basins 1 and 2 within the 100-year flood plain. This encroachment at the very edge of the flood plain would rarely have any effect on surface water flows. Almost all development is to occur outside the ten-year flood plain. The stormwater basins could hold an inch of runoff without discharging water over the weirs. The underdrains, which would, when originally installed, have a hydraulic conductivity of about 130 feet per day, could remove an inch of run-off within approximately 40 hours. On the conservative assumptions that half of a two-foot vadose zone would already be saturated at the time a 24-hour, 25-year return storm dropped an additional 8.9 inches of rain on site, and that soils on site have a porosity of .5, the retention ponds could contain the resultant run-off for treatment, before discharging it first through weirs then through the underdrains. Three surface water monitoring stations are planned. One upstream would make it possible to assess background conditions. Another at the point of discharge from stormwater retention pond 2 would reveal whether the retention ponds and their sidedrains were functioning as intended. A third monitoring station in the southwest corner of the site should give similar information as to the roadside exfiltration system. Hydrogeology Except in the southeastern corner of the City's property, where the ground slopes down to the east, the land the City owns, like the adjacent land to the south owned by the McCormicks, slopes down in a more or less northwesterly direction, falling from 55 feet NGVD on the southern boundary to 15 feet NGVD at the northwest boundary, which intersects an elbow of the swamp. Although groundwater flows east of north under the southeast corner of the property, the flow under the property is generally northwesterly, following the topography. Class II groundwater in the surficial aquifer underlies the property at depths ranging "from almost to land surface to five or 10 feet below." (T. 1517). City's Exhibit No. 161. Groundwater flowing northwesterly crops out in isolated wetlands, evaporates, transpires or discharges into the swamp. To assure that the bottom of each exceeds seasonal high groundwater levels, measured in February of 1987, by the number of inches a 24-hour 25-year return storm would add, fill would be placed under both disposal areas, as needed. Because the Class I solid waste disposal site is to be lined, recharge by rainfall would be precluded there. With a liner intercepting percolating rainwater, groundwater would not attain predevelopment levels. The depression thus induced under the Class I site would more than offset the tendency groundwater under the Class III site would otherwise have to mound up into the bottom layers of solid waste deposited there. Recharge from rainfall (become leachate) would continue at the unlined Class III site; the height of accumulated waste would slow or stop evapotranspiration offsetting percolation there. But groundwater would flow down steeper gradients to lower levels underneath the Class I site (which lies between the Class III site and the wetlands where groundwater discharges) rather than rising into waste disposed of on the Class III site. The horizontal component of flow would continue to exceed the vertical component by several orders of magnitude. Beneath the surficial aquifer, which extends to depths of 50 to 100 feet below ground and consists of sand interspersed with a "matrix of soil, organic materials, clays and silts . . . little layers of clay and hardpan" (T. 1517) lies a continuous, confining layer of gray, sandy material with gravel and shell fragments, 12 to 40 feet thick, blanketing the undulating surface of the Hawthorne formation underneath. "[S]ome 40 percent of the material comprising the Hawthorne formation in this area is clay and the remainder is a mix of sands, silt stone, shell beds and phosphatic sands." (T. 1526) This assures that rainfall or other fluids percolating into the surficial aquifer on site will move horizontally downgradiant, reentering the atmosphere or discharging to the surface, rather than penetrating the thinner aquitard above the Hawthorne formation and sinking another 250 feet or more through the Hawthorne formation itself into the Ocala group and Floridan aquifer below. No subterranean feature in the vicinity permits water in the surficial aquifer to reach the Floridan. No peat, muck or other unstable soils underlie the site. Under 3,000 pounds per square inch, the maximum load anticipated, the ground is not expected to settle more than one inch. The addition of fill dirt does not alter this estimate significantly. Disposal Design The Class III disposal area would not have a liner, a leachate collection system or gas controls. After travelling through soils under the site, leachate from the Class III site would enter the groundwater. The City proposes to train and direct staff, to the end that only yard trash and construction and demolition debris end up in the Class III disposal area, where waste would be deposited directly on fill dirt or naturally occurring soils. No solid waste is to be disposed of within 200 feet of wetlands contiguous to Durbin Swamp lying within DER's jurisdiction. A composite liner of the kind in place at Alachua County's southeast landfill would form the corrugated bottom of the Class I landfill: a 60 mil high density polyethelene layer overlying two six-inch lifts of calcium montmorillonite, a clayey sand that is to be placed on compacted subgrade configured in "a herringbone design with peaks and valleys." T.765 Separating trenches in the valleys, sloping ground would rise, then fall at least two feet for every hundred horizontal feet. Steps would be taken to remove rocks, twigs, roots and the like, before compacting subsoils on site. A machine called a sheepsfoot is to be deployed, once half the montmorillonite has been put down, to pulverize clods and mix the material, in an attempt to assure uniformity within each lift of clayey sand. Other machines would compact each lift to a specified Proctor density. These efforts would not succeed in eliminating all clods or other imperfections, and the sheepsfoot would mix subgrade with the bottom layer of montmorillonite, introducing new impurities. Soils on site have hydraulic conductivity ranging from 1 x 10-3 to 1 x 10-4 centimeters per second. Clayey sand is also subject to desiccation cracking; as it dries out, large cracks appear. On top of this kneaded, compacted and finished 12-inch layer of clayey sand, once it had been inspected to assure the absence of roots, rocks, sticks, glass or other sharp objects, a specialty contractor would unroll strips of unreinforced high density polyethylene. After arranging the panels to minimize seams in the leachate collection trenches, technicians would weld the polyethylene strips to one another. An independent, third-party quality assurance contractor would inspect and test the seams before the synthetic liner was finally positioned, and as flush a fit as possible was achieved. Both the high density polyethylene and the quality assurance program are to meet the requirements of NSF Standard 54 and EPA Publication SW-870, March, 1983. Some wrinkling and occasional flaws in the plastic liner are inevitable. Wrinkling causes ponding, not only of rainwater during construction, but also of leachate, once the landfill is in operation. Tire tracks or other indentations in the montmorillonite layer can also cause ponding. In time, under the growing weight of solid waste, and with heat that biodegradation of the waste would generate, some of the wrinkles might subside, but the liner might also sink into additional depressions. Careful construction could keep ponding to a depth of little more than an inch. T. 2971, 2979. Extrusion welds (when done properly) render the seams stronger than the panels they join. But even if "you are really, really good" (T. 2957) and even when you're careful you get an occasional problem, one or two per acre, no matter how careful you are. And if you're not as careful, you get more, typically something on the order of five holes per acre. T. 2967 Carelessness on one project resulted in as many as 60 flaws per acre. Nondestructive testing methods do not detect all defective welds. T. 2966. Defects may develop after the plastic liner has been inspected. Stress on high density polyethylene associated with "conform[ing] itself to whatever is underneath it" (T. 2962) concentrates in scratches, gouges and crimps to cause "as much as 30 percent" (T. 2964) of the holes in the material. "[T]here is no shortage of scratches on a construction site." T. 2962. Leachate Collection Another high density polyethylene geotextile, chosen for its transmissivity (the geonet), is to be placed on top of the high density polyethylene liner (the geomembrane), where it would act as a synthetic drainage medium. In order to prevent overlying sand's clogging the geonet, compromising its ability to conduct leachate down into the trenches, a third, highly permeable geotextile, "a non-woven needle punched type" (T. 637) (the geofilter) would go directly on top of the geonet. The twelve-inch sand drainage layer blanketing the geofilter would have hydraulic conductivity of 1 x 10-3 centimeters per second, if sufficient quantities of suitable sand could be obtained. (T. 764) Another 12 inches of native soil is to cover the sand drainage layer. While the geofilter and the soil layers above it would parallel the landfill liner on the slopes between trenches, they would form arches over the trenches themselves. Continuing to follow the contours of the montmorillonite, the geomembrane and the geonet would line the trench bottoms. Below these arches, inert drain field rock would fill the lined trenches, supporting one perforated PVC pipe eight inches in diameter in each trench. The Class I landfill is to be built in fourteen 250-foot wide cells, with each cell having two leachate collection pipes on 125-foot centers. Manholes at either end of each leachate collection pipe would allow access, in case unclogging the pipe proved necessary. Longitudinally, the trenches would slope to the north, falling two to 20 feet for every 1,000 horizontal feet. Leachate reaching the trenches would flow along the trench bottoms (or through the pipes) to the manholes on the northern boundary. Also to be made of leachate-impervious PVC, leachate drain pipes, which would not be perforated, would connect all manholes on the northern perimeter. Varying in diameter from eight to twenty inches, depending on the number of manholes they were designed to empty, they would converge at a leachate pumping station north of the perimeter road. T. 590-1. A rupture in one of the single-walled leachate drain pipes could spill massive quantities of leachate on naturally occurring soils. Leachate which reaches the station is to be pumped into a 12,000 gallon storage tank nearby. To be mounted on a concrete slab surrounded by a curb high enough to contain all 12,000 gallons, if the tank failed, the tank would be constructed of high density polyethylene. The plan is to pump leachate from the tank through a four-inch discharge pipe into tanker trucks which would take the leachate to the Buckman wastewater treatment plan for disposal there. During "the maximum leachate production period, when you have 10 cells open," (T.687) an average of 35,000 gallons of leachate a day would require removal for disposal in this fashion. Additional tanks could be built. As a precaution, isolation valves would permit cutting off all flow of leachate to the pump station. In addition, isolation valves would allow cutting off the flow from any of seven pairs of cells (or slowing the flow from all, T. 705) in the event of an abnormal circumstance where leachate production in the facility exceeds the hydraulic capacity of [the] leachate removal system, the pumping station and storage tank and the tanker truck system. T. 591. Isolation berms separate each pair of cells susceptible to being put to use as temporary storage for leachate. The leachate drain pipes themselves afford more than 23,000 gallons of emergency storage. T.703. Ventilation As they decompose, materials to be deposited in the Class I landfill produce methane gas, carbon dioxide, and other, malodorous gases. Collection pipes with eight-inch diameters, running horizontally on 150-foot centers in the second and fifth lifts would allow gas to escape at either end, on the north and south sides of the landfill. This would prevent methane's building up and exploding or catching fire. By assuring their gradual release, it should also minimize the impact of foul smelling gases, which, in any event, are generally undetectable at a distance of more than 1,000 feet. But specific condition eight of the proposed landfill permit requires that the passive system be converted to an active system, if necessary, using vacuum suction and flaring. GIGO Although there "is not much industry in the southeast portion of Duval County," (T. 953) sewage sludges and other industrial wastes "except any hazardous waste as defined in the Federal Register" (T. 947) would be accepted for disposal at the Class I facility, if properly manifested. The proposed southeast landfill would receive waste that would otherwise have gone to the unlined east landfill. Household waste contains toxic materials. Tests of leachate generated in other lined landfills from which hazardous wastes are excluded have demonstrated the presence of some 30 metals and 56 organic compounds. City's Exhibit No. 89. Rainfall percolating through (and moisture already present in) waste deposited at the proposed Class I facility can be expected to leach the same array of substances from materials deposited there. Judging from experience elsewhere, leachate from the Class I facility would contain 13 or 14 (if 4-methyl phenol is included) substances in concentrations in excess of governmental standards or health-based criteria identified by a toxicologist engaged by the City. City's Exhibit No. 90. Among these would be methylene chloride, trichloroethylene, tetrachloroethylene and benzene, (T. 1478) as to which "the current regulatory policy is that it is possible for as little as one molecule . . . to act as . . . a carcinogenic initiator . . . [so] that there is no real threshold." T. 1447. Maximum concentrations would exceed those Florida prescribes as primary drinking water standards for titanium threefold, for benzene fivefold, for chromium more than fivefold, for sodium approximately 16-fold, for manganese 68- fold, for iron 280-fold, and for methyl ethyl ketone almost 130-fold. City's Exhibit No. 90. Methylene chloride would occur in the leachate in concentrations 39 times greater than the "USEPA proposed Preliminary Protective Concentration Limits." Id. Only yard trash "soils/land clearing waste, waste from landscapers" (T.956) and construction and demolition debris, "clean debris, inert materials, construction and demolition wastes that are inert, roofing materials," id., and the like, not mixed either with industrial or with regular household garbage, would be accepted for disposal in the Class III facility. Unless these materials are adulterated, they are "easy to bio-degrade . . . [or] are insoluble," (T. 1923) and rainwater percolating through them should yield a leachate with "neutral pH . . . low to moderate [biological oxygen demand] . . . [and] metals [if any] . . . below detection limits or background conditions." T.1923. But "some materials get in" (T. 2106) despite efforts to exclude them. "Demolition debris can have oiled floors and creosoted pilings as part and parcel of the structure." T. 3008. Old paint contains lead and cadmium. Debris from old houses can include rat poisons. Grass clippings "could contain small amounts of herbicides and pesticides." T.2101. In fact, "it's not unusual for yard waste to be very rich in biocides." T. 3009. Such chemicals are used in Jacksonville. When autopsies of seagulls found at the Girvin Road landfill revealed traces of diazanon, tests of water taken from "the stormwater ponds in the subdivision across the street" (T.990) showed diazanon was present there. Bioassays the DER runs on effluent from the City's Buckman wastewater treatment plant regularly report toxicity in excess of allowable limits (T.1877-8) and the EPA has "identified malathion and diazanon as the toxicants," (T. 1881) which are killing at least one species of flea in certain standard laboratory tests performed on the effluent. Leachate Leakage The composite liner would not keep all leachate generated in the Class I landfill from reaching the naturally occurring soils underneath, and eventually the groundwater under the site. Even under normal operating conditions, and even on the City's optimistic assumption that it can achieve a permeability of 1 x 10-7 centimeters per second, thousands of gallons of leachate a year would escape through flaws in the liner while the landfill was in operation. If leachate drain pipes burst or torrential rains required backing leachate up in the cells, thousands of gallons a day could leak. If two lifts of clayey sand achieve a permeability no lower than 1 x 10-5 centimeters per second, millions of gallons of leachate would enter the groundwater over the ten-year active life of the landfill, even without burst pipes or extraordinary precipitation. Once the Class I landfill attained the design height, it would be capped with impermeable materials to minimize leachate generation. As with the liner underneath, the impermeable cap would be covered with sand to facilitate drainage. Vegetation would hold the drainage soil in place. Closure plans have already been drawn, but they are subject to revision and require DER approval before implementation. If necessary, side slopes could be lined to prevent leachate seepage there. Closure would reduce, but would not end, leachate production and leakage. Virtually impermeable to water, high density polyethylene is highly permeable to certain permeants, including some that occur in landfill leachate. Leachate constituents known as "aromatic hydrocarbons" move "right on through" (T. 3017) high density polyethylene. To some extent, the montmorillonite component of the liner under the Class I area would impede these materials' movement into naturally occurring soils. The evidence did not quantify the montmorillonite's efficacy in this regard, but the City's expert's testimony that leakage of this kind would be "insignificant" (T. 830) went unrebutted. Permeation aside, the rate at which leachate leaks depends on the nature, number and size of flaws in the synthetic liner, the height and duration of the leachate head above the defects, and the transmissivity of what is underneath. Here transmissivity turns both on the hydraulic conductivity of the clayey sand in the vicinity and on the extent of air spaces between the clayey sand and the overlying high density polyethylene. Sand grains cause microscopic spaces, while imperfections in the montmorillonite layer and wrinkling of the polyethylene cause larger spaces. Leachate leaking into a space between the geomembrane and the soil spreads over a larger area before penetrating the clayey soil, in correspondingly larger volumes. Calculations predicated on the transmissivity characteristics of the geonet and the sand layer above it demonstrate a theoretical leachate flow over the liner so rapid that leachate would never accumulate on the geomembrane to a depth of as much as a tenth of an inch. But these calculations assume no ponding behind wrinkles in the synthetic liner, or any other impediment to the flow of leachate. Especially since holes in liners are likely to occur near wrinkles (because stresses are greater there) a more realistic assumption, for calculating leachate leakage rates, is a head of one inch, "the smallest practical hydraulic head you can achieve." T. 2994. On the twelfth day of hearing, when St. Johns County's liner expert testified that a six-inch layer of the montmorillonite might result in permeability as high as 5 x 10-4 centimeters per second, the City had not yet amended its application to increase the thickness of the clayey sand layer from six inches to twelve. The City's proposal now calls for two lifts of a 20 percent clayey sand with a saturated hydraulic conductivity in situ of 1 x 10-7 centimeters per second. This can be achieved, if at all, only with material that laboratory tests indicate has hydraulic conductivity of 1 x 10-9 centimeters per second or less. "[I]f you put down clay that the lab says has a permeability of 10 to the minus 7 centimeters per second, . . . when you put it down in the field you get from one to two orders of magnitude greater permeability than that. . . . related to how thick it is." T. 2988. Even a three-foot liner comprised of six lifts ends up with conductivity ten times greater than the same material under laboratory conditions. Mr. Deans, who designed the liner for the City, testified that a permeability of 1 x 10-7 centimeters per second was "readily achievable" even with six inches of clayey sand, but he had never designed a liner before, and his testimony in this regard has not been credited. To judge from its eleventh- hour amendment, the City did not believe it, either. Only two lifts are to comprise the clayey sand layer. No study of a clayey sand layer as thin as 12 inches has found hydraulic conductivity of less than 1 x 10-5 centimeters per second. Three lifts are necessary to create an effective barrier. "[Y]ou need at least three lifts to get the middle one hopefully working right." T. 2987. "[E]ngineers believe that the bottom layer gets fouled, the top layer cracks and has problems. Your best chance is the in between layers. You need at least three layers, and they would rather have four to be reasonable, and EPA says six." Id. Studies of twelve-inch liners put down in two lifts ("[t]he thinnest one we found anybody had ever studied" T. 2980) showed them to be "inadequate." T. 2987. With an inch of head, assuming defects with an average area of 1 x 10-5 square meters, an assumption with which all the experts seemed comfortable (the City's expert assumed larger holes), the published EPA formula yields a per defect leakage rate of 6.7598 x 10-11 cubic meters per second, assuming hydraulic conductivity for the montmorillonite layer of 1 x 10-7 centimeters per second. But plans to use only two lifts to form a 12-inch layer do not give reasonable assurance of vertical hydraulic conductivity that low. Mr. Coram's testimony to the contrary, expressly predicated on reports of laboratory tests on samples, did not address the evidence that laboratory tests do not tell the whole story, in the case of a thin layer of clayey sand compromised not only by inherent imperfections, but also by highly permeable subgrade soils, kneaded into it by the sheepsfoot. Because "clods are broken down in the laboratory and stones and cobbles are screened from the sample . . . the effects of both are not accounted for in permeability tests on laboratory compacted samples." City's Exhibit No. 190. Substituting a hydraulic conductivity of 1 x 10-5 centimeters per second, the EPA formula yields a leakage rate between 57 and 58 times greater: 3.8898 x 10-9 cubic meters per second. Although the EPA's most recently published leak rate formula makes no allowance for less than an ideal fit between the components of a composite liner, City's Exhibit No. 190, the author of the EPA formula, who testified for St. Johns County, subscribed to modifications to the formula developed to take this factor into account. DER's Exhibit No. 35. The montmorillonite layer's hydraulic conductivity is an unrealistically low measure of the transmissivity of the medium underneath the polyethylene. Using it for this purpose, without adjustment, ignores inevitable, intervening air spaces. Perfect contact between a synthetic liner and the soil it overlies cannot be accomplished, even in a laboratory setting. On a project of the kind proposed, contact would range from good, where the relatively larger size of sand grains in the clayey mix creates air spaces, to poor, where wrinkles (left in to avoid the weakening effects of stretching the material) cause much larger air spaces. No expert found fault with the more recent formulae (Bonaparte/Giroud) set out in DER's Exhibit No. 35, and none quarreled with the proposition that the published EPA formula made unrealistic assumptions about the contact between polyethylene and clayey sand. The Bonaparte/Giroud formula that assumes good contact yields a leakage rate of 1.6090 x 10-8 cubic meters per second per defect, a little more than four times what the EPA formula predicts for an ideal fit, assuming an inch of head and vertical hydraulic conductivity for montmorillonite in situ of 1 x 10-5 centimeters per second. Assuming poor contact, without varying any other assumptions, yields a leakage rate approximately 5.5 times greater: 8.8115 x 10-8 cubic meters per second. In its proposed recommended order, at page 35, DER accepts, at least for purposes of argument, the proposition that contact between soil and geomembrane would be poor in places, and calculates a leachate leakage rate of 5.45 x 10-3 gallons per day (2.3887 x 10-10 cubic meters per second per defect.) But this assumes that "the permeability of the City's clay liner will be 1 x 10- 7 cm per second and the maximum head over liner will be 0.062 inches." The evidence showed that the maximum head could not be kept below one inch, and did not give reasonable assurances that two lifts would result in vertical hydraulic conductivity of 1 x 10-7 centimeters per second for the clayey layer. Substituting an inch for .062 inches gives a rate of 2.9177 x 10-9 cubic meters per second. Substituting 1 x 10-6 for 1 x 10-7 and an inch for 0.062 inches, the leakage rate becomes 1.6034 x 10-8 cubic meters per second. Groundwater Contamination Uncontroverted expert opinion put the flow of groundwater under the Class I disposal area at 0.063 cubic feet or 0.47 gallons per day (2.0592 x 10-8 cubic meters per second) through a hypothetical square or cube one foot on a side. Except under unusual conditions, leachate leaking from the Class I facility would, before entering the groundwater, pass through approximately a foot of fill dirt or naturally occurring soils, which consist in large part (92 to 99 percent) of relatively inert, quartz sand. The presence of organic materials, however small the quantities, raises the prospect of adsorption and other chemical reactions, before steady state is attained. Physically, the soil would disperse the leachate, diminishing concentrations of leachate constituents entering groundwater. After such attenuation as the soil afforded, leachate would enter the groundwater, which would dilute and further disperse it, although not nearly as dramatically as the City's toxicologist testified. This witness assumed uniform mixing, rather than the discrete plume which persons with greater expertise in groundwater contamination convincingly predicted. By using the rate of "groundwater flow beneath a defect and the rate of leakage through that defect . . . [he] c[a]me up with a volume to volume dilution factor to identify a concentration in the groundwater." T. 1214. Because Dr. Jones took an unrealistically low leakage rate as a starting point, he predicted an unrealistically low concentration of one part leachate to 4,400 parts groundwater, inside a cubic foot immediately below each leak. Concentrations vary directly with the leakage rate per defect. T. 1224. The formula that assumes good, but not ideal, contact between liner components yields a leakage rate per defect of 1.609 x 10-8 cubic meters per second, if the layer of clayey sand has hydraulic conductivity of 1 x 10-5 centimeters per second. Substituting this leakage rate, the City witness' methodology yields a dilution ratio of 2.0592 parts groundwater to 1.609 parts leachate, or 1.2798:1, more than a hundred times less than the 130:1 dilution ratio that the City concedes is the minimum it must prove, at the edge of the zone of discharge. See Respondent City of Jacksonville's Motion to Strike St. Johns County's Memorandum Concerning Leachate Rates, p. 5. Substituting the coefficient for poor contact, the ratio in the hypothetical cube under the landfill becomes a paltry 2.0592 parts groundwater to 8.8115 parts leachate or .2337:1. Using Dr. Jones' methodology, a leakage rate of 1.6034 x 10-8 cubic meters per second per defect would result in leachate concentrations in groundwater of one part leachate to 1.2483 parts groundwater. Substituting a rate of 2.9177 x 10-9 cubic meters per second per defect yields a ratio of 2.0592 parts groundwater to .29177 parts leachate, or one part leachate to 7.0576 parts ground water. Even if the contact between geomembrane and montmorillonite were uniformly good and the clayey sand layer had a permeability of 1 x 10-7 centimeters per second at every point, a dilution ratio of only 37.4444:1 would result. In 132 acres of high density polyethylene, the evidence showed that 660 flaws could reasonably be anticipated, and that 132 flaws were absolutely unavoidable. Methylene chloride would end up in the groundwater in proscribed, carcinogenic concentrations as far away as 20 feet from many leaks within 90 days. Under some leaks, perhaps all, benzene, a proven human carcinogen, would also occur in prohibited concentrations. As leachate plumes dispersed, concentrations would diminish, eventually to levels at which they pose "potentially acceptable" (T. 1475) risks even in the case of "a 70-year water consumption of two liters of water per day by a 70-kilogram adult." T. 1217. No evidence suggested that they would remain in concentrations above these levels by the time they reached the edge of the zone of discharge. City's Exhibit No. 193, which uses a leakage rate much lower than the range of leakage rates likely to occur, if the landfill is built, predicts concentrations of various leachate constituents at the edge of the zone of discharge, assuming a leak at the edge of the disposal area. Multiplying predicted concentrations by quotients, obtained dividing likely leakage rates by the assumed rate, suggests carcinogenic leachate constituents would not occur in prohibited concentrations at the edge of the zone of discharge. But extrapolating in this fashion also suggests that violations may occur outside the zone of discharge, absent attenuation in the vadose zone, in the event of a leak at the edge of the Class I disposal area, for iron, manganese and methyl ethyl ketone. Groundwater Monitoring The City proposes to place monitoring wells at intervals of 250 to 500 feet around the Class I and Class III disposal sites. Some 25 shallow monitoring wells would be located 50 to 100 feet from the deposition areas, within the zone of discharge. In addition, seven clusters, each consisting of three wells screened at different depths, would punctuate the boundary of the zone of discharge. A cluster of wells upgradient would make it possible to monitor background conditions. With two-inch diameters and ten-foot screens, each well would receive a flow of less than a gallon a day. The contaminant plume from the Class III landfill would be large enough to be detected readily in samples drawn from a number of wells. But there was testimony that the plume, even from a 10-foot wide leak at the edge of the Class I disposal area, could pass between two wells 500 feet apart, undetected. Rather than a single large leak, moreover, the experts predict hundreds of small leaks in the Class I disposal area liner. The assumption is that flaws in the geomembrane would have an area of only one tenth of a square centimeter, on average. Any one of the plumes emanating from such a leak could easily pass undetected through a 500-foot gap between monitoring wells. The monitoring plan apparently relies on the great number of leaks expected. But even if samples from a monitoring well revealed a leak, the magnitude of hundreds of other leaks would not be disclosed. Well Contrived After the City filed its application for a permit to construct a landfill, but before DER had issued its notice of intent to grant the application, four wells were put in on the McCormick property, within three feet of the southern boundary of the City's property, and within 205 feet of the proposed Class III disposal area. The wells are more than 500 feet from the lined, Class I disposal area. Spaced at 1,000-foot intervals, within a 125- foot-wide utility easement in favor of the City of Jacksonville Beach, three of the wells are 25 feet deep and one is 28 feet deep. McCormicks' Exhibit No. 7. Each consists of a length of PVC pipe, 1 1/4" in diameter, leading to a red pitcher pump mounted on a wooden platform supported by four fence posts. City's Exhibit No. 194. Pumps of this kind must "periodically be pumped and primed or they have to periodically be taken apart and have the internal seals and leather valves replaced." T.2005. On April 7, 1988, the St. Johns River Water Management District issued a warning notice to "Haden McCormick" alleging that the wells had not been grouted, had been dug without necessary permits, and had not been the subject of required well completion reports. The next day, the St. Johns County Environmental Protection Board, apparently in response to applications inspired by the warning notice, issued a permit for each well designating the "usage" of each as irrigation. McCormicks' Exhibit No. 7. Well completion reports dated April 14, 1988, reported that the wells had been grouted. McCormicks' Exhibit No. 3. Asked the purpose of the wells in a deposition on April 25, 1988, J. T. McCormick said, "We need to monitor what [the landfill is] doing . . . [W]e need to . . . prepare ourselves for having people live in this area, to occupy it, to monitor it." T. 2227-8 A week earlier J. C. Williamson, Jr. had requested on behalf of B.B. McCormick and Sons, Inc. that the St. Johns County Environmental Protection Board amend the permits to show well usage as "Private Potable" instead of "Irrigation". This request was granted on April 27, 1988. McCormicks' Exhibit No. 2. On May 2, 1988, St. Johns River Water Management District's chief hydrologist wrote a lawyer for the McCormicks that "the completion reports submitted by a licensed driller, and the St. Johns County permits fulfill the requirements of the District." McCormicks' Exhibit No. 1. Analysis of samples of water taken from the wells on February 27 and 28, 1989, revealed total coliform levels acceptable for private wells. John Haydon McCormick explained the decision to put the wells in: [D]uring that week the City had filed their application with the DER which, in a sense, fixed their design . . . and when we became aware that this Class III landfill was as close as it is to our border, we became concerned about the future use of potable drinking water, and after consulting with counsel we were informed that we could legally install wells along that border. T. 2242. No owner of the property where the wells are located lives on the property nor, as far as the record shows, has an owner or anybody who does live on the property ever drunk water from the wells. About a half mile from the City's property are two other wells near a house on the McCormick property. When an owner's son drank water from one or more of the wells, as recently as the fall of 1988, he had to take water to the site with him in order to do it. The hand pumps require priming and nobody has bothered to store water near them for that purpose. On February 26, 1989, when the City's expert arrived for "splitting samples to submit to different laboratories," (T.1007) The "pumps were in a 20-gallon washtub in the back of . . . one of Mr. McCormick's employee's trucks. They were all removed from the well heads . . . [apparently] being soaked to generally recondition the seals in the pumps and to sanitize the pumps." T.2008 Two "of the old leather seals from the pumps [were] on the ground." T.2009. Within the shallow aquifer, groundwater flows from the wells northerly underneath the proposed Class III disposal area in the direction of Durbin Swamp. Use of the four existing wells "would in no way modify the groundwater flow system." T. 2045. But a well or wells could be so constructed on the McCormick property that continuously pumping from them would reverse some of the groundwater flow under the proposed Class III disposal area, to the extent that water flowing from beneath the Class III disposal area could be drawn from one of the existing wells along the McCormick boundary. T. 2075-80. Nor would consumptive use permits be necessary to dig wells which could cause such a change in groundwater flows. T. 2075. When the City discovered the wells abutting the southern boundary of its property, it did not direct its engineers to alter the design of the landfill to preclude solid waste disposal within 500 feet of the wells. The total project cost, excluding legal fees, is estimated in the neighborhood of $46,000,000. Redrawing the plans now to reduce the size of the Class III disposal area, without altering the size of the Class I disposal area, would take two to three months, and cost approximately $100,000. This approach would require reducing the capacity of the Class III area from 4.1 million cubic yards to 2.5 million cubic yards and, unless construction debris, which can be disposed of without a DER permit, were diverted elsewhere, its useful life from about ten years to about six years. Tipping fees would have to be higher "to recover the capital fixed costs over fewer tons." (T. 2208) Increased design costs alone would require recouping an additional 4 cents per cubic yard (more considering the time value of money) from tipping fees for Class III debris. Operations would be less efficient and presumably more expensive. T. 2207. Alternatively, the entire facility could be redesigned to achieve the same capacity and useful life as now contemplated. Such a redesign would require four to six months' work and cost approximately $250,000. Recovering this cost through increased tipping fees for Class III wastes would add slightly more than 6 cents a cubic yard (again ignoring the time value of money.) Alternative sites for disposal of Class III waste are available to the City. Indeed the site for which the City now seeks a permit was not even among the ten sites originally considered for the project. T. 2224-5. Decreased transportation costs to another site closer to the source of such waste might more than offset increased tipping fees. But separate facilities could create other problems. Ms. Nogas explained: From an operations standpoint . . .If I run out of Class III area and . . . site a separate Class III area somewhere else, if I had a truck coming to that facility and he really should have been in a Class I area, and I say "No, go out the gate and go five miles down the road . . .[to the] Class I facility," . . . I have a much better chance of . . . him never showing up at my Class I facility. T 2208-9. On the other hand, when asked about placing a Class III facility elsewhere in Duval County, Ms. Nogas, reiterating an earlier statement, testified, "[I]f that were what we had to go to, I would have no operational problems with it." T. 221. Mr. Wells' testimony that there "are 16,000 acres of less environmentally flawed acres seven to 12 miles from the generating centroid accessible from four-lane roads and not near residential or commercial properties," (T. 1248) and that the proposed site "is the furtherest site from the generating centroid, 21 and three-quarters miles to the dump site, and will cost taxpayers an extra $3 million to $5 million a year in longer haul time" (T. 1247) was received on the issue of the decisionmakers' credibility only.
Recommendation It is, accordingly, RECOMMENDED: That DER deny the City's request for variance. That DER deny the City's application for a permit to construct a landfill. That DER deny the City's application for a dredge and fill permit. That DER grant the City's application for a permit for management and storage of surface waters, on conditions proposed in the intent to issue, unless modified by agreement of all parties. DONE AND ENTERED this 16th day of October, 1989, in Tallahassee, Leon County, Florida. Robert T. Benton, II 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 16th day of October, 1989. APPENDIX A Petitioner St. Johns County's proposed findings of fact Nos. 1-4, 6, 10-12, 14, 16, 18, 21,23, 24-28, 33, 35, 37, 38, 41-45, 47-48, the first sentence of No. 51, Nos. 52-56, 57 except for the first sentence, which is rejected, 58, 59, 62, 64, 66, 68-74, 95-103, 106-109, 111- 116, 118, 131, 132, 133 except for subpart 7, 134, 136 and 137 have been adopted, in substance, insofar as material. With respect to petitioner St. Johns County's proposed finding of fact No. 5, and the second sentence of petitioner St. Johns County's proposed finding of fact No. 51, the design rate is not the same as the current rate of deposition. Petitioner St. Johns County's proposed findings of fact Nos. 7, 8, 9, 13, 15, 17, 22, 75, 110 and 138 relate to subordinate matters. Petitioner St. Johns County's proposed finding of fact No. 19 accurately recites the testimony. Petitioner St. Johns County's proposed finding of fact No. 20 is immaterial. With respect to petitioner St. Johns County's proposed finding of fact No. 29, the City's evidence that leakage of this kind was insignificant went unrebutted. Petitioner St. Johns County's proposed findings of fact Nos. 32 and 120-123 are immaterial to the present application. With respect to petitioner St. Johns County's proposed finding of fact No. 30, the City's estimates were unreasonably low. With respect to petitioner St. Johns County's proposed finding of fact No. 31, the evidence showed that nine gallons a day was at the upper limit, not that it would actually occur. With respect to petitioner St. Johns County's proposed finding of fact No. 34, at least 13 substances occur in concentrations that exceed health-based standards. Petitioner St. Johns County's proposed findings of fact Nos. 36 and 63, 117, 119 and 135 are proposed conclusions of law. With respect to petitioner St. Johns County's proposed finding of fact No. 39, the probability of a leak on the edge of the disposal area was not established. With respect to petitioner St. Johns County's proposed finding of fact No. 40, the evidence did not show that when "two or more toxic substances are combined" they necessarily have synergistic impacts. With respect to petitioner St. Johns County's proposed finding of fact No. 46, the City's assumption of no attenuation was an appropriately conservative approach that is not inconsistent with the City's unrefuted testimony that attenuation would occur. With respect to petitioner St. Johns County's proposed finding of fact No. 49, the evidence did not prove that the City would allow four feet of leachate to stand on the liner. Petitioner St. Johns County's proposed findings of fact Nos. 50 and 60 immaterial to the present application. With respect to petitioner St. Johns County's proposed finding of fact No. 61, the evidence did not establish the contentions following the clause ending "and into Durbin Creek,". With respect to petitioner St. Johns County's proposed findings of fact Nos. 65 and 67, the McCormick wells have served ornamental and talismanic purposes, but they were not shown to be potable water supply wells, within the meaning of the rule. At the time of hearing the pumps did not function and were not mounted on the wells. Petitioner St. Johns County's proposed finding of fact No. 76 has been adopted, in substance, insofar as material, except that there was at least one effort to collect toxic wastes in Jacksonville. With respect to petitioner St. Johns County's proposed findings of fact Nos. 77 through 94, proposed permit conditions are not proposed findings of fact. With respect to petitioner St. Johns County's proposed finding of fact No. 124, the evidence was clear that more wetlands were to be destroyed than were to be created. Petitioner St. Johns County's proposed finding of fact No. 125 is rejected as against the weight of the evidence. With respect to petitioner St. Johns County's proposed findings of fact Nos. 126, 127 and 128, mitigation , particularly as regards the wood stork, if the landfill is built. Petitioner St. Johns County's proposed finding of fact No. 129, Durbin Creek enters Julington Creek, shortly before the latter reaches the river. Findings of fact proposed by petitioners J.T. McCormick and the Estate of Benjamin R. McCormick (McCormicks) Nos. 1-4, 6-10, 13, 15-17, 20, 21 and 23 have been adopted, in substance, insofar as material. With respect to McCormicks' proposed finding of fact No. 5, a preponderance of the credible evidence did not establish that the wells would be used to supply potable water in the future, even if the pumps are repaired to make it possible. Nor did the evidence establish any such authentic, "non-forensic," use in the past. With respect to McCormicks' proposed finding of fact No. 11, evidence was adduced that other sites had been considered by engineers the City engaged. T. 2224-5. With respect to McCormicks' proposed finding of fact No. 12, testimony put the delay at two to three months. T. 2139. The City could have avoided this delay. McCormicks' proposed finding of fact No. 14 has been adopted, in substance, insofar as material, except that the proportion of the Class III waste stream construction and demolition debris comprises is not stated at T. 2149. With respect to McCormicks' proposed findings of fact Nos. 18 and 19, the four and six cents per ton computations ignore the time value of money, among other things. McCormicks' proposed finding of fact No. 22 is immaterial. McCormicks' proposed finding of fact No. 24 is properly a proposed conclusion of law. Findings of fact proposed by Florida Wildlife Federation, Inc., St. Johns County Audubon Society, Sierra Club, Inc., Coastal Environmental Society and River Systems Preservation, Inc. came in two unnumbered installments. Findings of fact have addressed the substance of each. Without numbering, it is difficult to treat the material. Petitioner STOP's proposed findings of fact Nos. 5-7, 9-10, 12-18, 20, 22- 24, 26-27, 29, 32-47, 49, 50, 52, 55-57, 59-60, 62, 63, 66, 67, 69, 70, 72 and 73 have been adopted, in substance, insofar as material. Petitioner STOP's proposed findings of fact Nos. 1-4, 30, 31, 65, 71, 75 and 76 are properly proposed conclusions of law in part and relate otherwise to DER's preliminary analysis, which is technically immaterial. With respect to petitioner STOP's proposed findings of fact Nos. 8 and 58, Mr. Kappes said he had seen alligator on site but, when asked for specifics, testified to tracks they had left in the southeast corner of the site. Equally ambiguously, the City stated in its draft application that alligator had been "noted" on the property. The evidence did not show that ospreys are protected or listed in Duval County. Petitioner STOP's proposed findings of fact Nos. 11 and 74 relate to subordinate matters. With respect to petitioner STOP's proposed finding of fact No. 19, the inference that all commensals is present is problematic here, since the gopher tortoises were relocated by man from a site many miles away. With respect to petitioner STOP's proposed finding of fact No. 21, 80 to 82 of 105.7 acres of gopher tortoise habitat would be destroyed. Petitioner STOP's proposed finding of fact No. 25 is immaterial to this application. With respect to petitioner STOP's proposed finding of fact No. 28, Mr. Wiley so testified. With respect to petitioner STOP's proposed findings of fact Nos. 48, 51 and 64, although the conservation easement on uplands would not result in additional habitat, it would preclude further diminution. With respect to petitioner STOP's proposed findings of fact Nos. 53 and 54, no eagles are currently nesting on site, and Eagle Nest Island, where eagles nested until 1983, is off site. With respect to petitioner STOP's proposed finding of fact No. 61, the evidence did not establish that Mr. Kappes saw the red-cockaded woodpecker on site, even though he found six active nests within three miles of the site. With respect to petitioner STOP's proposed finding of fact No. 68, Dr. White so testified. DER's proposed findings of fact Nos. 1-9, 11-15, 17, 24, 26, 33, 37, 39, 41-45, the first three sentences of No. 50, Nos. 52-56, 62-64, 66, 67, except as regards inherent legislative facts, 70-87, 89-92 and 95 have been adopted, in substance, insofar as material. With respect to DER's proposed finding of fact No. 10, 0.9 acres of wetlands contiguous to Durbin Swamp and within the jurisdiction of the St. Johns River Water Management District would be used for a storm water retention basin. DER's proposed findings of fact Nos. 18 and 20 have been adopted, in substance, except that these steps do not ensure or guarantee a quick return of water quality functions. DER's proposed findings of fact Nos. 21, 32, 35, the last sentence of No. 50, Nos. 51, 88 have been rejected as against the weight of evidence. With respect to DER's proposed findings of fact Nos. 22 and 28, mitigation areas with deep ponds in the middle will permit fish to avoid the conditions under which wood storks feed. With respect to DER's proposed finding of fact No. 23, the steep sided ponds, sparser canopies and lesser extent of created isolated wetlands offset their "higher quality." With respect to DER's proposed finding of fact No. 25, the mitigation proposed does not amount to a one to one ratio. While significant, the easements preserve the status quo and do not compensate for lost wetland functions. With respect to DER's proposed finding of fact No. 27, the evidence suggested no reason why bears would not forage in isolated, as well as contiguous wetlands. With respect to DER's proposed finding of fact No. 29, to the extent possible, existing trees would be transplanted; if they all survived, the number of perches would be undiminished, except for branches broken in the process. With respect to DER's proposed finding of fact No. 30, sightings nearby and habitat on site amount to evidence of use of the site. As regards the indigo snake, testimony that these animals were introduced to the site was uncontroverted. With respect to DER's proposed finding of fact No. 31, alligator tracks were found in the southeastern part of the site. With respect to DER's proposed finding of fact No. 34, no southeastern kestrel nests were found on site. With respect to DER's proposed finding of fact No. 36, it is not in the public interest to issue a permit for a lined landfill that would cause pollution in violation of DER's water quality standards. If a landfill were properly permitted, it would be in the public interest to have access. With respect to DER's proposed finding of fact No. 38, the first sentence (which seems to contradict the fourth) has been adopted, in substance, insofar as material. With respect to DER's proposed finding of fact No. 40, there was no evidence of cumulative impacts to Durbin Swamp, as opposed to Durbin and Julington Creeks. With respect to DER's proposed findings of fact Nos. 46-48, the clayey sand, placed in two six-inch lifts, would have much greater permeability as a unit than samples of the same material screened for certain imperfections and tested in the laboratory. In the field, it would not be possible to remove all clods and other materials that make for greater vertical hydraulic conductivity of the unit. Subgrade mixing would occur, in putting down the first of the two lifts. A 12-inch layer would be many more times transmissive than a liner of the same material put down in six six-inch lifts to attain the three feet DER requires, when no synthetic liner is used. Mr. Fluet did not testify that a 12-inch layer would achieve a permeability of 1 x 10-7 centimeters per second. He testified that nobody who had studied 12-inch layers had reported permeability of less than 1 x 10-5 centimeters per second for a clayey layer of that thickness. With respect to DER's proposed finding of fact No. 49, the geomembrane is subject to the effects of pressure and temperature variation would contribute to wrinkling. With respect to DER's proposed finding of fact No. 57, leachate leakage would diminish after closure, but would not stop altogether. With respect to DER's proposed findings of fact Nos. 59 and 60, the working hypothesis is that even a single molecule of certain leachate constituents may initiate cancer, although concentrations below the levels identified are said to pose no more than an acceptable risk of doing so. DER's proposed finding of fact No. 61 describes the methodology correctly, but the particular results have not been accepted. With respect to DER's proposed finding of fact No. 65, predicted concentrations depend on the leakage rate assumed. With respect to DER's proposed finding of fact No. 68, data showing the composition of discharges to ground water from other Class III landfills were not presented. Supposed "legislative facts" do not constitute evidence. With respect to DER's proposed finding of fact No. 69, the evidence did not show what concentrations of biocides or other chemical constituents were likely to be. With respect to DER's proposed finding of fact No. 93, the phrase "monitoring well" was not used. With respect to DER's proposed finding of fact No. 94, wells Nos. 21 and 22 were between 25 and 35 feet deep. Haydon McCormick testified that a shallow well near the house was for potable water supply. DER's proposed finding of fact No. 96, has been adopted, in substance, except that additional time might not be required for permitting. With respect to DER's proposed findings of fact Nos. 97 and 99, balancing of social and economic interests is appropriate only if hardship is proven, and immaterial otherwise. The City's proposed findings of fact Nos. 1-9, 16-18, 20-25, 30, 33, 35-38, 42, 44, 46, 49, 50, the first two sentences of No. 55, Nos. 58-62, 65, 73, 74, except for the last sentence, Nos. 75, 77-83, 88-92, 94-100, 104, 107, 108 and 110 have been adopted, in substance, insofar as material. With respect to the City's proposed finding of fact No. 10, despite timbering of the uplands the site was characterized as "relatively unaltered." With respect to the City's proposed finding of fact No. 11, no decline in water levels was shown to be irreversible. With respect to the City's proposed finding of fact No. 12, the study was of "trivial value." With respect to the City's proposed finding of fact No. 13, bald eagles and wood storks do make use of the site and indigo snake(s) were set loose there. With respect to the City's proposed finding of fact No. 14, a witness testified to his "confidence" (T.2918) that the kestrel he spotted was a Southeastern kestrel. Signs of alligator were found near the southeast corner of the property. With respect to the City's proposed finding of fact No. 15, hunting was mentioned. The City's proposed findings of fact Nos. 19, 54, 56 and 84 pertain to subordinate matters. With respect to the City's proposed finding of fact No. 26, the witness so testified. With respect to the City's proposed finding of fact No. 27, it was not proven that noise would be "minimized." With respect to the City's proposed finding of fact No. 28, bears could move through the culvert, but elsewhere the access road (particularly during the day), fences and human activity on site would indeed "impede black bear movement in the area." The City's proposed findings of fact Nos. 29, 48, the last sentence of 55, Nos. 57, 71, 72, 85, 87 and the last sentence of 101 have been rejected as being against the weight of the evidence or as unsupported by the preponderance of evidence. With respect to the City's proposed finding of fact No. 31, mobility will not assure successful relocation if existing populations are fully utilizing habitat in the vicinity. The City's proposed findings of fact Nos. 32, 86 and 93 are properly proposed conclusions of law. With respect to the City's proposed finding of fact No. 34, groundwater was shown unlikely to reach solid waste on site. With respect to the City's proposed finding of fact No. 40, the maximum head would not be less than one inch. With respect to the City's proposed finding of fact No. 41, such sand might not be available on site. With respect to the City's proposed finding of fact No. 43, some leachate would leak through the liner. With respect to the City's proposed finding of fact No. 45, some rainwater would infiltrate. With respect to the City's proposed finding of fact No. 47, the evidence did not show that the clayey sand layer would attain so low a vertical hydraulic conductivity. If these liners have performed well, it has not been without leakage, both through flaws and by permeation. With respect to the City's proposed finding of fact No. 51, the subgrade would be inspected, in an effort to assure complete removal of sharp objects. With respect to the City's proposed findings of fact Nos. 52 and 53, permeability is specific to the permeant. The values quoted are for water. High density polyethylene is highly permeable to aromatic hydrocarbons. That liners leak is not speculation. With respect to the City's proposed finding of fact No. 63, the design engineer envisioned circumstances that would require backing leachate up in the landfill. With respect to the City's proposed finding of fact No. 64, violations were proven, in the absence of sufficient attenuation in the vadose zone, and attenuation there was not quantified. With respect to the City's proposed findings of fact Nos. 66 and 67, these evaluations assumed unrealistically low leachate leakage rates. With respect to the City's proposed finding of fact No. 68, this elaborate house of cards bears little relationship to the language of the free from rule. But this approach, too, shows violations, if realistic leakage rates are used. With respect to the City's proposed finding of fact No. 69, credible and credited evidence of dramatically higher leachate leakage rates than they assumed contradicted their conclusions. With respect to the City's proposed finding of fact No. 70, the witness so testified. With respect to the City's proposed finding of fact No. 76, the precise constituents of the Class III leachate were not proven. With respect to the City's proposed finding of fact No. 102, the witness so testified. With respect to the City's proposed finding of fact No. 103, the well that Haydon McCormick jetted in was 25 to 35 feet deep. With respect to the City's proposed findings of fact Nos. 105 and 106, wells could be placed so that enough water drawn from them would reverse the gradient and cause pollutants to move toward the McCormick property. With respect to the City's proposed finding of fact No. 109, the evidence about the effect on operations was ambiguous. With respect to the City's proposed finding of fact No. 111, it is unlikely that the McCormicks would take steps to reverse the flow of groundwater. APPENDIX B Three methods of calculating per defect leachate leakage rates (in cubic meters per second) were proven at hearing, each expressed as an equation or formula requiring values for three variables, for their solution, viz.: h = height of leachate head over defect (in meters) a = area of defect (in square meters) Ks = permeability (vertical hydraulic conductivity) of clayey sand layer beneath defect (in meters per second) The method advocated by the City, published by the EPA, and shown (by the author) to reflect ideal contact between liner components, which does not obtain in practice, is: Q = (0.7) x (h) x (a0.1 x Ks0.88). The method advocated by the County, endorsed by the author of the formula EPA published, and shown to reflect good contact between liner components, shown likely to occur in places, is: Q = (0.21) x (h0.9) x (a0.1 x Ks 0.74) The method advocated by the County, endorsed by the author of the formula EPA published, and shown to reflect poor contact between liner components, shown likely to occur in places, is: Q = (1.15) x (h0.9) x (a0.1 x Ks 0.74) In each case, Q represents the flow of leachate through each defect. COPIES FURNISHED: Carlos Alvarez and Carolyn S. Raepple Hopping, Boyd, Green and Sams Post Office Box 6525 Tallahassee, Florida 32314-6526 Harrison D. Upchurch and Frank D. Upchurch, III Upchurch, Bailey, and Upchurch, P.A. Post Office Box 170 St. Augustine, Florida 32085-0170 Joseph M. Glickstein, Jr. Glickstein and Glickstein 444 Third Street Neptune Beach, Florida 32233-5111 David S. Dee and Allan Wagner Carlton, Fields, Ward, Emmanuel Smith & Cutler, P.A. Post Office Drawer 190 Tallahassee, Florida 32302 C. Rufus Pennington, III Margol and Pennington, P.A. Suite 1702, American Heritage Tower 76 South Laura Street Jacksonville, Florida 32202 Debra Swim 1323 Diamond Street Tallahassee, Florida 32301 Sidney F. Ansbacher Turner, Ford and Buckingham, P.A. 1904 Gulf Life Tower Jacksonville, Florida 32207 Dan Brooks Hendrickson and 104 Sixth Avenue 4620 Arapahoe Avenue Pass-A-Grille, Florida 32706 Jacksonville, FL 32208 Frank X. Friedman, Jr. T. R. Hainline, Jr. G. Stephen Manning Marcia P. Parker Rogers, Towers, Bailey, Jones & Gay 1300 Gulf Life Drive Jacksonville, Florida 32207 William H. Congdon and Chris McGuire 2600 Blairstone Road Tallahassee, Florida 32399-2400 Kathryn L. Mennella Post Office Box 1429 Palatka, Florida 32078-1429 Larry Gilmore 9131 Fort Caroline Road Jacksonville, FL 32225 Larry A. Wells 237 Pablo Road Ponte Vedra Beach, FL 32082 Dale H. Twachtmann, Secretary Department of Environmental Regulation 2600 Blair Stone Road Tallahassee, FL 32399-2400 =================================================================
Findings Of Fact Petitioner's present solid waste-disposal system consists of the operation of six sanitary landfill sites. These sites are being operated in accordance with temporary permits issued by the Respondent. Four of the sites are not adequate sanitary landfill sites. Two of the sites, which are known as the "Sims Farm" and "Ephesus" sites can be developed into acceptable landfill sites. Petitioner has not developed any comprehensive plan designed to comply with the Florida Resource Recovery and Management Act, and the rules of the Respondent respecting solid waste disposal systems. When its present temporary permits expire the Petitioner intends basically to continue operating the Sims Farm and Ephesus landfill sites, and to' locate at least two other acceptable sanitary landfill sites. Petitioner intends to comply with all of the Respondent's regulations, but it contends that it cannot comply with the regulation which requires that the landfills be covered every working day. Petitioner proposes to cover the landfills twice weekly rather than daily. Lafayette County is a large county in terms of area, but is very small in population, having less than 3,500 residents. Residents of the county are engaged primarily in agriculture. The county does not have a broad tax base. Estimated revenues for the 1977 fiscal year are $113,340. Thirty thousand dollars has been designated from the county's budget to operate a solid waste disposal system. The clerk of the County Commission is in charge of the county's present solid waste disposal system. The county does not have a full time employee designated to operate the system. The clerk of the County Commission has many duties other than operating the solid waste disposal system. Residents of the county are satisfied with the present system. Prior to the opening of the present sanitary landfill sites there was considerable dumping on private property, on highway right-of-ways, or in the river slough. The amount of waste deposited in the county's present landfills is very small in relation to counties with a higher or more concentrated population. There is very little industrial or commercial waste, and a smaller percentage of putrescible materials than would be found in more urban counties. Although there is a county ordinance prohibiting it, dead animals are occasionally deposited in the landfill sites and burning of trash does occur. Chemical agricultural waste is also deposited in the landfills. Lafayette County has utilized temporary permits to operate its present landfill sites. The permits require the submission of periodic reports. The county has not submitted these reports as required by the permits. Counties surrounding Lafayette County have had varying experiences in reaching full compliance with the Florida Resource Recovery and Management Act, and the rules of the Respondent dealing with solid waste disposal systems. In Taylor County, a county with a population of approximately 14,500, approximately $120,000 was invested in equipment. Daily cover of sanitary landfills, including the dumping of green boxes utilized in Taylor County cost $6,512.42 in January, 1976, and $7,159.85 in January, 1977. Compliance with the statutes and regulations necessitated an increase in the county's tax rate. Compliance is being achieved in Gilchrist County, a small agricultural county at very low cost utilizing a single sanitary landfill site system. Compliance has been achieved in Dixie County, a small agricultural county through use of a green box system. Very little research has been performed by Lafayette County to determine how compliance could be achieved most inexpensively. Daily cover of sanitary landfill sites is desirable. Daily cover is the most effective means of preventing open burning in landfill sites, leachate of solid waste, flies and rodents. Daily cover does not totally alleviate these conditions, but it is the most effective means of combating them. Daily cover is much more necessary in areas where there are large amounts of solid wastes than it is in areas with small amounts. Daily cover is also more necessary in areas where there is a large proportion of putrescible versus non-putrescible materials than it is in areas with a smaller percentage. In order to comply with the Respondent's regulations when its present temporary permits expire, the Petitioner will need to purchase a tractor or bulldozer in order to provide a cover at the landfill sites. If daily cover is required, the county will need to hire a full-time individual to perform the cover. If twice weekly cover is permitted the county will be able to operate its system without the necessity of employing an additional person. Twice weekly cover would reduce the operating costs of the county's system by reducing fuel and maintenance costs of vehicles. In view of the fact that no detailed examination has been made of the cost of full compliance, it is not possible to determine from the facts presented whether it is practicable for the Petitioner to comply with the regulations, or whether the expense or cost of measures which the Petitioner must take in order to comply are so great that they should be spread over a considerable period of time. The most that can be determined is that daily cover would be more expensive than twice weekly cover, and that twice weekly cover would not have any profoundly negative environmental effects in Lafayette County.
Recommendation Based upon the foregoing Findings of Fact and Conclusions of Law, it is, RECOMMENDED: That a final order be entered denying the Petitioner's application for variance. RECOMMENDED this 18th day of March, 1977, in Tallahassee, Florida. G. STEVEN PFEIFFER, Hearing Officer Division of Administrative Hearings Room 530, Carlton Building Tallahassee, Florida 32304 (904) 488-9675 COPIES FURNISHED: Vance W. Kidder, Esquire Department of Environmental Regulation 2562 Executive Center Circle E. Montgomery Building Tallahassee, Florida 32301 Conrad C. Bishop, Jr., Esquire Weed & Bishop P. O. Box 1090 Perry, Florida 32347 Mr. Jay Landers, Secretary Department of Environmental Regulation 2562 Executive Center Circle E. Montgomery Building Tallahassee, Florida 32304
Findings Of Fact Petitioner owns a parcel of land in Palm Beach, County on which is housed Petitioner's paving and landscapping business and which is zoned for industrial use. Petitioner intends to install a manufactured building for use as an office. To provide sewage treatment for the bathroom of the office, Petitioner had a septic tank designed and applied for a septic tank permit which was denied as was its variance request. As a result of a complaint, Petitioner was inspected in August, 1988, by the Palm Beach County Department of Environmental Resources Management and by the Florida Department of Environmental Regulation. Both inspections yielded citiations for soil contamination by oil and other hazardous waste. Petitioner represented that most of the infractions had been rectified by the date of the hearing in this matter and pledged full cooperation with the County and State rules. To oversee the operation of the business and assure that no further problems arose, Petitioner decided to establish its office on site. The closest sewage treatment plant is at full capacity and does not intend to provide service to the parcel in the near future. The adjoining properties are serviced by septic tanks. As such, the proof did not demonstrate that alternative methods of waste disposal were available to the site However, as part of its business operation, Petitioner does minor repair of its equipment on site and may include oil changes and other such services. Although Petitioner does not intend to pollute the groundwater and intends to use the proposed septic tank for office use only, the proof demonstrated that waste disposal into a septic tank from the maintenance and repair of its equipment could result in the disposition of prohibited hazardous waste into the groundwater. Further, the proof failed to demonstrate that the septic tank would be protected from use by those who handled the hazardous waste. Although the hardship, if any, caused by the denial of the variance was not caused by Petitioner and the proof failed to demonstrate reasonable alternatives of waste disposal, the potential for an adverse affect of the operation to the groundwater is great. Additionally, the proof failed to establish the ameliorating conditions of soil, water table or setback conditions or whether the property was platted prior to 1972. Accordingly, the denial of the variance was proper.
Recommendation Based on the foregoing findings of fact and conclusions of law, it is RECOMMENDED that a final order be entered denying the variance. DONE AND ENTERED in Tallahassee, Leon County, Florida, this 6th day of July 1989. JANE C. HAYMAN 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 6th day of July 1989. COPIES FURNISHED: Hattie Parker 160 Toneypenna Drive Jupiter, Florida 33468 Peggy G. Miller, Esquire Department of Health and Rehabilitative Services 111 Georgia Avenue Third Floor West Palm Beach, Florida 33401 Sam Power, Clerk Department of Health and Rehabilitative Services 1323 Winewood Boulevard Tallahassee, Florida 32399-0700 Gregory L. Coler, Secretary Department of Health and Rehabilitative Services 1323 Winewood Boulevard Tallahassee, Florida 32399-0700 John Miller General Counsel Department of Health and Rehabilitative Services 1323 Winewood Boulevard Tallahassee, Florida 32399-0700
The Issue Schofield Corporation of Orlando has applied to the Department of Environmental Regulation for a permit to construct and operate a Class III trash/yard trash landfill in Orange County, Florida. The issues are whether the applicant is entitled to the permit and, if so, what conditions should attach. Also at issue is Schofield Corporation's motion for attorney's fees and costs, pursuant to Section 403.412(2)(f), F.S.
Findings Of Fact The applicant, Schofield Corporation of Orlando (Schofield), owns the proposed landfill site and existing permits for the site. The proposed site is located in West Orange County, southwest of the intersection of State Road 545 and Schofield Road on the west half of the northwest quarter of section 32, township 23 south, range 27 east, comprising approximately sixty acres within a larger eighty-acre parcel. In some undetermined distant past the site was cultivated in citrus. It is currently being excavated as a borrow pit. The materials proposed to be placed in the landfill include trash, yard trash, construction and demolition debris and clean debris, as defined in DER Rule 17-701.020, F.A.C. The northern half of the site is flat and will be used first for the composting operation. The southern excavated portion of the site will receive the permitted fill material until it is flattened. Then, the two functions will alternate; the composting will occur on the south, and the north end will be excavated to receive fill. The proposed facility will be operated by Chambers Corporation, a nationally recognized waste management company with approximately 20 years of experience in solid waste management. The landfill site will be completely fenced, with a gate entrance mid-site between the landfill and compost area. The gate will be locked when the facility is not in operation, and will be patrolled by security personnel 24 hours a day. "Spotters", or inspectors will be employed to examine incoming waste loads at the gate, from a high gantry, and at the place where the waste is deposited. The loads will be monitored by a television camera, and all haulers will be under contract. The landfill will not accept loads from trucks coming off the road looking for a place to dump. Receptacles will be maintained on site to receive errant non-permitted waste that is found in a load, and that waste will be properly disposed of elsewhere. Schofield has several permits related to its proposed operation. These include a type III landfill permit from Orange County, a compost facility permit from DER, a general construction and demolition debris landfill permit from DER, a surface water management permit from the South Florida Water Management District, and a permit to excavate or mine from the Florida Department of Natural Resources. Schofield also has a contract to receive yard waste from Orange County. The initial term of contract requires at least ten percent of the yard waste to be composted or recycled, with the percentage amount to be renegotiated in subsequent contract renewals. In the hierarchy of landfills, DER considers Class III the least environmentally sensitive. Problems with unauthorized waste and with water quality occur more frequently with Class I landfills, defined as accommodating more than twenty tons a day of residential garbage. In this case DER has proposed to grant Schofield its Class III permit without the requirement of a bottom liner or a leachate or gas control system because of the nature of the waste that will be accepted and because of the rigorous controls, described above, to avoid receiving unauthorized or hazardous waste. The Petitioners are an individual and a homeowners' association representing a residential area approximately a half mile south of the proposed site. Petitioners contend that the applicant's data is insufficient to provide reasonable assurances that water quality standards will not be violated. Petitioners contend that the landfill, if approved, should be required to have a liner to prevent leachate from polluting the groundwater. They further contend that the groundwater monitoring plan submitted by the applicant is inadequate to detect vertical movement of contaminated leachate into the Floridan aquifer, a major source of water supply in Orange County. Hydrogeology The site of the proposed landfill is within a high recharge area. Water percolates rapidly though the soil, moving downward into the aquifer, and laterally off site. The site is considered Karst terrain, underlined with limerock. There is evidence of relic sinkholes, thousands of years old, but there is a low probability of future open sinkhole development. The geology in the area of the site provides adequate structural support for the proposed facility. An aquifer is generally defined as a unit of material which contains water and can give up a sufficient amount of yield to provide some productive flow for pumpage. Below the site there are two aquifers: the shallow water table, or surficial aquifer, containing clean well-drained fine sands, about 70 feet down; and the Floridan, primarily limestone, encountered at a depth of approximately 115 feet. The two are separated by a confining layer of less permeable sands and clay. Flow in the Floridan at the site is primarily from the west to east. Flow in the surficial is also generally from west to east, but the Petitioners theorize, and have presented competent supporting evidence, that there are fissures in the confining layer, allowing some internal drainage within the site, causing surficial water to flow vertically into the Floridan, rather than laterally off-site in an eastward direction. Based on recent data taken from two piezometers installed near the middle of the site, the applicant's hydrogeologist, James Golden, concedes that "mounding" exists along the eastern boundary of the site, reflecting some flow westerly back into the interior of the site. Petitioners' theory regarding internal draining of the site is based in part on data as to groundwater elevation. Groundwater elevation or high groundwater table is the elevation at which water stands on a continuous surface under the site. Jammal and Associates is a consultant firm which has done field studies of this and neighboring sites in the past, for various purposes. Some open bore readings taken by Jammal and Associates in a 1983 study for the Orange County Rapid Infiltration Basin project indicate groundwater table levels on site up to 126 feet, National Geodetic Vertical Data (NGVD). Open bore readings are less reliable than cased hole readings; due to collapses within the hole, artificially high readings are sometimes obtained. Data from the applicant's consultants reveals groundwater tables at 96-98 NGVD. This data was most recently obtained in December 1991 from sealed and surveyed piezometer casings, but not from the area of the site where Jammal's higher readings were obtained. Although it may be conjectured that Jammal's high readings are anomalous, additional sealed borings need to be obtained before the anomaly is confirmed. Groundwater elevations are significant also to determine the depth to which the landfill may be excavated. Based on its December 1991 readings, obtained after the application for permit was filed, the applicant agreed to raise the proposed bottom of the landfill to approximately five feet above the level of the estimated high (wet weather) groundwater table in the area. Water Quality and Monitoring Specific conditions of the proposed permit include DER's requirements that Class GII water quality standards be met at the boundary of the zone of discharge, in accordance with Rule 17-3, F.A.C. The zone of discharge for this facility is a three-dimensional volume defined in the vertical plane as the top of the ground to the base of the most surficial aquifer, and horizontally 100 feet from the edge of the waste-filled area, or the property boundary, whichever is less. The groundwater monitoring plan proposed by the applicant includes one upstream monitoring well on the west side of the site and five wells along the east side of the site, with an additional well at the south, between the project and the Petitioners' residential area. The wells extend down into the upper zone of the surficial aquifer, but not into the deeper limestone Floridan. The downstream wells should detect any contamination in the surficial aquifer flowing from west to east at the zone of discharge. However, they will not pick up contamination draining internally within the site and into the Floridan. Such contamination is possible, even though leachate from Class III- type wastes is expected to be relatively benign. Volatile organic carbons (VOCs) have not typically been a problem in Class III landfills, unless those landfills were previously operated as Class I sites. Secondary drinking water standards for certain metals have been violated at some Class III sites, but such violations are often related to the problem of sampling newly-installed wells. From DER records, Petitioners presented evidence of consistent drinking water quality standard violations in Class III landfills. That such violations can occur in Class III landfills is clearly established. It is not so clear that such violations will occur in this facility, given the proposed controls on load content. However, even acceptable materials will not avoid the production of leachate or gas. Within demolition waste there are chemically bound components which are inseparable, for example, creosote and other preservatives, glues, paints, resins, varnishes and stains. The lignin, tannins and volatile organic acids which are produced when wood decomposes alter the pH of the groundwater. As the water becomes more acidic, heavy metals that were typically bound up in the waste or in the soil, are released in soluble form and travel with the water. The decomposition process occurring in the construction and demolition waste is enhanced by the addition of yard trash which becomes the food source for the biodegradation. Summary of Findings and Proposed Permit Conditions If, as applicant suggests, all groundwater moves primarily from west to east within the site, given the proposed operational controls and the proposed monitoring plan, reasonable assurances have been provided that water quality standards will not be violated beyond the zone of discharge. That is, any contamination likely to occur will be contained within the surficial aquifer and within the 100 feet or property line horizontal boundary. Transmissivity of the surficial aquifer is low enough to allow mixing of the leachate before it reaches the zone of discharge. The Petitioners, however, have presented credible evidence sufficient to question the groundwater flow premise and sufficient to require additional conditions on the permit. If leachate reaches the Floridan through fissures in the confining layer, it will move rapidly off site. In its proposed recommended order DER has suggested additional permit conditions and in its adoption of the proposed recommended order, the applicant has accepted those additional permit conditions. Those permit conditions recognize the fact that data presently provided by the applicant is insufficient to overcome the evidence by Petitioners as to the hydrogeological characteristics of the site with the possibility of internal drainage and vertical intrusion of contaminated water into the Floridan aquifer. The proposed recommended order provides this finding: ...that the ground water monitoring plan as proposed in this proceeding is adequate, provided that there be added to the permit conditions that the permittee conduct appropriate water table testing with cased piezometers during the next wet season to determine whether ground water flow is internal within the site and therefore not intercepted by the present ground water monitoring wells. The permittee shall consult with DER and get approval for the location and construction of these wells prior to their installation. The results shall be immediately submitted to the DER. The ground water monitoring requirements should be modified if necessary at that time pursuant to Rule 17-28.700(5) to assure proper monitoring at this site. (DER proposed Recommended Order, p. 17) The ground water monitoring plan modification suggested by DER is that deeper monitoring wells, into the Floridan aquifer, be required if the additional testing reveals the likelihood of internal on-site ground water drainage. These conditions are still inadequate since they lack specificity with regard to the extent of testing, the location and construction of the wells, and the amendments to the monitoring program to be required if internal drainage is confirmed. Moreover, the proposed conditions fail to address the possibility that the permit should require a liner for the landfill if the data to be obtained reveals the likelihood that contaminates will penetrate into the groundwater of the Floridan. Monitoring programs, however effective, only predict or detect problems; they do not remediate them. Groundwater contamination by landfills is not quickly and easily reversed. Unlike discharges from other facilities such as spray application or deep well injection, the leachate from a landfill is not "turned off". Without the additional data which all parties agree is needed, it is impossible to determine what additional conditions, if any, should be required or what amendments, if any, need to be made to the applicant's proposed monitoring plan.
Recommendation Based on the foregoing, it is hereby, RECOMMENDED: That the Department of Environmental Regulation issue its Final Order denying the application for Class III land fill permit. DONE AND RECOMMENDED this 17th day of June, 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 17th day of June, 1992. APPENDIX TO RECOMMENDED ORDER The following constitute specific rulings on the findings of fact proposed by the parties: Petitioner's Proposed Findings of Fact Adopted in paragraph 1. Adopted in substance in paragraph 10. 3.-11. Rejected as unnecessary. 12.-23. Rejected as argument or summary of testimony, rather than findings of fact. 24. Rejected as unnecessary. 25.-30. Rejected as argument or summary of testimony, rather than findings of fact. 31. Rejected as unnecessary. 32.-41. Rejected as argument or summary of testimony, rather than findings of fact. Rejected as unnecessary. Adopted in substance throughout the recommended findings. 44.-50. Adopted in Preliminary Statement and paragraph 4. 51. Rejected as unnecessary. 52.-53. Adopted in paragraph 2. 54.-55. Rejected as statement of testimony rather than finding of fact. Adopted in paragraph 3. Rejected as unnecessary. 58.-97. Rejected as argument or statement of testimony, rather than findings of fact. Subparts a), b), c) and e) are rejected as unsupported by competent evidence. The evidence suggests that violations might occur and that insufficient data has been produced. Subpart d) is adopted, by implication in paragraph 18. 99.-101. Adopted in summary in paragraph 20. Respondent's Proposed Findings of Fact Addressed in Preliminary Statement. Adopted in paragraphs 1, 2 and 5. 3.-4. Adopted in paragraph 4. Adopted in summary in paragraph 11. Adopted in paragraph 13. Rejected as unnecessary or irrelevant, given the stipulation related to Section 403.412, F.S. standing. Rejected as cumulative. Adopted in paragraph 10. Adopted in paragraph 9. Adopted in substance in paragraph 9. 12.-13. Adopted in paragraph 13. Adopted in substance in paragraph 16. Rejected as unsupported by the evidence. If internal drainage is shown to exist, conditions other than additional monitoring wells may be required. Adopted in paragraph 17. 17.-18. Adopted in paragraph 3. 19.-21. Rejected as unnecessary. Adopted in paragraph 4. Adopted in paragraph 12. 24.-26. Adopted in general in paragraph 14. 27. The unlikelihood that unauthorized waste will be dumped is adopted in paragraph 3. Whether there will be a violation of ground water quality standards at the zone of discharge was not established, given the need for additional data on internal draining. COPIES FURNISHED: Thomas B. Drage, Jr., Esquire P.O. Box 87 Orlando, FL 32802 Irby G. Pugh, Esquire 218 Annie Street Orlando, FL 32806 Douglas H. MacLaughlin Asst. General Counsel DER-Twin Towers Office Building 2600 Blair Stone Road Tallahassee, FL 32399-2400 Carol Browner, Secretary DER-Twin Towers Office Building 2600 Blair Stone Road Tallahassee, FL 32399-2400 Daniel H. Thompson General Counsel DER-Twin Towers Office Building 2600 Blair Stone Road Tallahassee, FL 32399-2400
Findings Of Fact On October 13, 1988, Petitioner applied for a permit from Respondent for the operation of an onsite sewage disposal system in connection with a commercial project to be constructed on Petitioner's property in Polk County, Florida. Petitioner's application was disapproved that same day. Respondent denied the application because a publicly owned sewer system was available to Petitioner. A sewage line of the City of Lakeland, Florida, exists within a public easement abutting Petitioner's property. That sewage line is about 10 feet from Petitioner's property line. Gravity flow from Petitioner's proposed facility to the sewer line can be maintained. The city's system is under no moratoriums from any governmental body which would prevent the addition of Petitioner to the system. On October 17, 1988, Petitioner applied to Respondent's variance board, in accordance with provisions of Section 381.272(8), Florida Statutes, and Rule 10D-6.045, Florida Administrative Code. The variance application was considered by the board on November 3, 1988, and a recommendation that the variance be denied resulted. On December 12, 1988, Respondent notified Petitioner of the recommended denial of the variance application. The denial letter to Petitioner informed him that variances were granted for the relief or prevention of excessive hardship in those situations where there is a clear showing that the public health would not be impaired and pollution of groundwater or surface water would not result. The letter further stated that recommendation to deny variance was premised on the availability of public sewer to the property. Existence of adequate drainage for the proposed on site disposal system on Petitioner's property is questionable. The water table during the wettest season of the year on the property is only 20 inches from the surface. During other parts of the year, the water table is 38 inches from the ground surface. Two residences are presently situated on Petitioner's property and produce a flow to the present septic tank sewage disposal system of approximately 900 gallons per day. A commercial building also previously existed on the property and supplied a septic tank flow of approximately 700 gallons. The proof at hearing failed to establish whether the commercial building flow coexisted with the present residential flow. Petitioner proposes to construct a "mini mall" consisting of four stores, each with one toilet, on the property. Since public usage of the toilets in the building is not anticipated to be frequent, Petitioner estimates that approximately 600 gallons of sewage flow will be generated on a daily basis. Petitioner's property is presently served by the public water utility of the City of Lakeland. While the property lies outside the corporate city limits, it is bounded on two sides by property within the city limits on which restaurants, served by the city's sewage system, are situated. The city easement containing the sewer line runs along another side of the property which is contiguous to U.S. Highway 98. Under current policy of the City of Lakeland, connection to the city sewage system is permitted only to property located in the city limits. Petitioner must agree to annexation by the city of his property in order to obtain connection to the sewage system. However, the city assesses impact fees in addition to costs of sewage connection and in Petitioner's situation the amount of impact fees anticipated to be levied by the city is approximately $53,000. Petitioner estimates the value of his property when the "mini mall" is completed at $700,000. Estimated cost of construction, without consideration of the city's impact fees, will be $350,000. While Petitioner does not contemplate selling the property after the development is completed, he will be leasing the individual store facilities. The sole objection of Petitioner to denial of his request for a variance recommendation is that he will be forced to resort to joining the city's public sewage system and, by concomitantly accepting the city's annexation of his property, incurring the city's impact fees. It is Petitioner's contention that the impact fees effectively make the city's system unavailable to him. Alternatively, Petitioner also contends that assessment of impact fees by the city will pose a financial hardship on him and increase the per unit rental or lease costs he must charge tenants. Petitioner also contends that his commercial project will cause no adverse public health considerations because sewage flow from his facility to an on site sewage disposal system will be no more and possibly less than that presently flowing from the residences on the property to the existing septic tank system. This testimony is not credited due to the fact that anticipated drainage flow is an estimate by Petitioner with no demonstrated expertise in making such estimates; drainage at the proposed site location is questionable; and Petitioner's application states that the proposed site is located five feet from a public water well. Petitioner asserts that facts of a previous decision of the variance board established policy which requires that the variance he has requested be granted. On May 19, 1988, the variance board recommended a variance be granted to an automobile dealership in Polk County to operate an on site sewage disposal system. Had the variance not been granted, the dealership would have been force to accept annexation to a city adjoining the dealership property in order to have sewage disposal. Such a decision would have resulted in two dealerships from the same company within that city. The applicant in that case would have lost his automobile dealer franchise or have been forced to relocate elsewhere. The automobile dealership property site possessed adequate drainage with a water table 44 inches below the surface during the wettest season of the year and 84 inches at other times of the year. Anticipated sewage flow estimated at 525 gallons per day for the automobile dealership is similar to the estimate of 600 gallons per day for Petitioner's facility. Impact fees were not a consideration in the case.
Recommendation Based on the foregoing findings of fact and conclusions of law, it is RECOMMENDED that a final order be entered denying approval of the variance requested by Petitioner. DONE AND ENTERED this 21st day of April, 1989, in Tallahassee, Leon County, Florida. DON W. DAVIS 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 21st day of April, 1989. COPIES FURNISHED: Deno P. Dikeou Liberty National Bank Building Suite 200 502 N. Highway 17-92 Longwood, Florida 32750 Raymond R. Deckert, Esquire Department of Health and Rehabilitative Services 4000 West Buffalo Avenue 5th Floor, Room 500 Tampa, Florida 33614 Gregory L. Coler Secretary Department of Health and Rehabilitative Services 1323 Winewood Boulevard Tallahassee, Florida 32399-0700 John Miller, Esq. General Counsel Department of Health and Rehabilitative Services 1323 Winewood Boulevard Tallahassee, Florida 32399-0700 Sam Power Clerk Department of Health and Rehabilitative Services 1323 Winewood Boulevard Tallahassee, Florida 32399-0700
Findings Of Fact As a part of its solid waste disposal program, the City of Naples operates a yard trash compost site adjacent to the Gordon River within the city limits. A fifteen (15) acre site has been leased from a private owner, and the lease requires that the City operate the site in compliance with permitting requirements. The site is intended to received only horticultural yard trash. The City picks up such trash in trucks, and delivers it to the site. Cells, or ditches, have been excavated at the site to a depth of approximately six (6) feet. The trash is deposited into the cells. The cells are excavated to a depth below the ground water level, so the trash is placed directly into the ground water. Although only horticultural yard trash is intended to be disposed of at the site, and although the City attempts to enforce this intention, household garbage including food waste frequently finds its way into the cells. The City has been utilizing this site in this manner for approximately fifteen (15) years, and for at least the past ten (10) years has operated under all required local and state permits. The City is presently operating the site in accordance with a permit issued by the Department of Environmental Regulation on December 31, 1976. The permit expires on January 1, 1980. Sometime in February, 1979, the Department first gave notice to the City that the yard trash compost site was not being operated in conformity with all applicable rules and regulations. Specifically the Department advised the City that the site violated the provisions of Rule 17-7.04(2)(a), Florida Administrative Code, because solid waste was deposited within 200 feet of a natural water body (the Gordon River) and Rule 17-7.04(2)(f), because solid waste was deposited in an area where the water table was less than five (5) feet below the normal ground surface. Rule 17-7.04(2)(f) was modified during the course of this variance application proceeding. The rule now requires that solid waste not be deposited directly into the ground water. The City's site neither conformed with the rule in effect in February, 1979, nor with the present modified rule. The Department and the City agreed that the City could continue to operate the site pending the completion of this proceeding, and, until all present cell excavations are filled. Yard trash compost sites such as that operated by the City do not involve as profound a threat to water quality as do more generalized solid waste disposal sites. Nonetheless placing of large quantities of yard trash at or in water bodies will cause infusion of large quantities of nutrients into the water body. The composting or breaking down of yard trash can take place under either aerobic or anaerobic conditions. Aerobic decomposition takes place where vegetation is exposed to oxygen. Anaerobic decomposition takes place where there is no oxygen. If vegetation is covered by water or soil it will not have oxygen. The materials will only partially decompose through a process called fermentation. Such material, when not fully decomposed, cannot be fully compacted nor reduced in volume as would happen with aerobic decomposition. The system utilized by the City of Naples therefore will result in a springy texture to the area. When decomposition takes place above ground, and vegetation is exposed to oxygen, the Vegetation can break down into its primary elements, resulting in a humus material which can be utilized to condition soil, and which will become part of the soil and stabilize the soil. The City's method of disposal introduces very concentrated amounts of organic substances into the ground water. There is thus a large increase in nitrogen and phosphates in the ground water. Placing such large quantities of organic material into the ground water effectively pollutes the ground water. There is a shallow water aquifer below the surface level at the trash compost site. Below this aquifer is a layer of sand, marl and rock which is not highly permeable. Below this layer lies a second aquifer which is an important source of drinking water in the area. Trash at the compost site under the City's present system is deposited directly into the upper aquifer. This water flows either into the Gordon River adjacent to the site, or more slowly permeates down into the lower aquifer. Placing the organic materials into the ground water thus constitutes a serious source of pollution either to the Gordon River, or to the lower aquifer, or to both. Certainly it serves to profoundly degrade the water quality of the ground water. The City has operated two (2) test wells adjacent to the site for the past eighteen (18) months. Results of samples taken from these test sites are inconclusive, and do not reveal that the City's disposal system has caused any pollution whatsoever. This does not mean, however, that no adverse impact could have been detected, or that none has taken place. The City's test wells were not placed so that they would intercept the flow of ground water from the site. Even if they had been so placed, testing has taken place only every six (6) months, and not in a manner so that any viable conclusions can be reached. The Department has recently installed test wells, and although data from them is not complete, it does reveal a definite flow of pollutants from the site to the test wells. Although the flow of ground water will serve to dilute the pollutants to some degree, it is inevitable that the ground water supply itself will be degraded, and that eventually either the waters of the Gordon River or of the lower aquifer will also be adversely affected. Under its present system the City estimates that it will be able to utilize the compost site for eight more years. The City has contended that operating the site as an above ground compost site would effectively cut in half the time period over which the site could be utilized and would increase the cost of maintaining the site by requiring additional equipment, and eventually requiring additional equipment for the transporting of yard trash to a remote site. These contentions are not supported by the evidence. In the first place the City could save money in operating the site as an above ground composting site because it would not be necessary to make excavations. Furthermore, above ground composting of the materials would result in usable compost which could be sold as land fill. This could constitute a source of revenue, and also open the site for additional usage.
Recommendation Based upon the foregoing Findings of Fact and Conclusions of Law, it is, RECOMMENDED: That a final order be entered granting the variance application filed by the City of Naples with respect to its request to be relieved from the requirements of Rule 17-7.04(2)(a), with conditions imposed as set out in the Department's notice dated June 21, 1979 (DER Exhibit 4). That a final order be entered denying the exemption request filed by the City of Naples with respect to the requirements of Rule 17-7.04(2)(f). RECOMMENDED this 28th day of November, 1979, in Tallahassee, Florida. STEVEN PFEIFFER Assistant Director Division of Administrative Hearings Room 101, Collins Building Tallahassee, Florida 32301 (904) 488-9675 COPIES FURNISHED: David W. Rynders City Attorney City of Naples 735 8th Street South Naples, Florida 33940 Ray Allen Assistant General Counsel Department of Environmental Regulation Twin Towers Office Building 2600 Blair Stone Road Tallahassee, Florida 32301
