Illinois Administrative Code

Section 811.102 Location Standards a) The facility shall meet all requirements under the Wild and Scenic Rivers Act (16 U.S.C. 1271 et seq.). b) The facility shall not restrict the flow of a 100-year flood, result in washout of solid waste from the 100-year flood, or reduce the t…

Section 811.103 Surface Water Drainage a) Runoff from Disturbed Areas 1) Runoff from disturbed areas resulting from precipitation events less than or equal to the 25-year, 24-hour precipitation event that is discharged to waters of the State must meet the requirements of 35 Ill. …

Section 811.104 Survey Controls a) The boundaries of all waste disposal units, property boundaries, disturbed areas, and the permit area for facilities subject to the requirements of Section 21 of the Environmental Protection Act (Act) (Ill. Rev. Stat. 1989, ch. 111½, par. 1021) …

Section 811.105 Compaction All waste shall be deposited at the lowest part of the active face, and compacted to the highest achievable density necessary to minimize void space and settlement unless precluded by extreme weather conditions. The Agency may approve an alternative loc…

Section 811.106 Daily Cover a) A uniform layer of at least 0.15 meter (six inches) of clean soil material must be placed on all exposed waste by the end of each day of operation. b) Alternative materials or procedures, including the removal of daily cover prior to additional wast…

Section 811.107 Operating Standards a) Phasing of Operations 1) Waste must be placed in a manner and at such a rate that mass stability is provided during all phases of operation. Mass stability means that the mass of waste deposited will not undergo settling or slope failure tha…

Section 811.108 Salvaging a) All salvaging operations shall in no way interfere with the operation of the waste disposal facility, result in a violation of any standard in this Part or of 35 Ill. Adm. Code 812 through 815, or delay the construction or interfere in the operation o…

Section 811.109 Boundary Control a) Access to the open face area of the unit and all other areas within the boundaries of the facility shall be restricted to prevent unauthorized entry at all times. b) A permanent sign shall be posted at the entrance to the facility stating that …

Section 811.110 Closure and Written Closure Plan a) The final slopes and contours must be designed to complement and blend with the surrounding topography of the proposed final land use of the area. b) All drainage ways and swales must be designed to safely pass the runoff from t…

Section 811.111 Postclosure Maintenance a) The operator shall treat, remove the site, or dispose of all wastes and waste residues within 30 days after receipt of the final volume of waste. b) The operator shall remove all equipment or structures not necessary for the postclosure …

Section 811.112 Recordkeeping Requirements for MSWLF Units The owner or operator of a MSWLF unit shall record and retain near the facility in an operating record or in some alternative location specified by the Agency, the information submitted to the Agency pursuant to 35 Ill. A…

Section 811.113 Electronic Reporting The filing of any document pursuant to any provision of this Part as an electronic document is subject to 35 Ill. Adm. Code 720.104. BOARD NOTE: Derived from 40 CFR 3, as added, and 40 CFR 258.29(d) (2005), as amended at 70 Fed. Reg. 59848 (Oc…

Section 811.201 Scope and Applicability The standards of this Subpart, in addition to the requirements of Subpart A, shall apply to all new landfills in which only inert waste is to be placed.

Section 811.202 Determination of Contaminated Leachate a) Leachate shall be considered contaminated if it contains concentrations of constituents greater than the public and food processing water supplies standards 35 Ill. Adm. Code 302.301, 302.304, and 302.305. The operator sha…

Section 811.203 Design Period The design period for all inert waste disposal units shall be the estimated operating life of the unit plus a minimum postclosure care period of five years. For landfills, other than those used exclusively for disposing waste generated at the site, t…

Section 811.204 Final Cover A minimum of 0.91 meter (three feet) of soil material that will support vegetation which prevents or minimizes erosion shall be applied over all disturbed areas. Where no vegetation is required for the intended postclosure land use, the requirements of…

Section 811.205 Final Slope and Stabilization a) The waste disposal unit shall be designed and constructed to achieve a minimum static slope safety factor of 1.5 and a minimum seismic safety factor of 1.3. b) Standards for Vegetation 1) Vegetation shall be promoted on all reconst…

Section 811.206 Leachate Sampling a) All inert waste landfills shall be designed to include a monitoring system capable of collecting representative samples of leachate generated by the waste, using methods such as, but not limited to, a pressure-vacuum lysimeter, trench lysimete…

Section 811.207 Load Checking a) The operator shall not accept wastes for disposal at an inert waste landfill unless it is accompanied by documentation that such wastes are inert based on testing of the leachate from such wastes performed in accordance with the requirements of Se…

Section 811.301 Scope and Applicability In addition to the requirements of Subpart A, the standards of this Subpart apply to all landfills in which chemical and putrescible wastes are to be placed, except as otherwise provided in 35 Ill. Adm. Code 817. (Source: Amended at 18 Ill.…

Section 811.302 Facility Location a) No part of a unit may be located within a setback zone established pursuant to Section 14.2 or 14.3 of the Act; b) No part of a unit may be located within the recharge zone or within 366 meters (1200 feet), vertically or horizontally, of a sol…

Section 811.303 Design Period a) The design period for putrescible and chemical waste disposal units shall be the estimated operating life plus a postclosure care period of 30 years. The design period for putrescible waste landfill units, other than MSWLF units, may be reduced if…

Section 811.304 Foundation and Mass Stability Analysis a) The material beneath the unit shall have sufficient strength to support the weight of the unit during all phases of construction and operation. The loads and loading rate shall not cause or contribute to the failure of the…

Section 811.305 Foundation Construction a) If the in situ material provides insufficient strength to meet the requirements of Section 811.304, then the insufficient material shall be removed and replaced with clean material sufficient to meet the requirements of Section 811.304. …

Section 811.306 Liner Systems a) All units shall be equipped with a leachate drainage and collection system and a compacted earth liner designed as an integrated system in compliance with the requirements of this Section and of Sections 811.307 and 811.308. b) The liner and leach…

Section 811.307 Leachate Drainage System a) The leachate drainage system shall be designed and constructed to operate for the entire design period. b) The system shall be designed in conjunction with the leachate collection system required by Section 811.308: 1) To maintain a max…

Section 811.308 Leachate Collection System a) The leachate collection system shall be designed and constructed to function for the entire design period. b) Collection pipes shall be designed for open channel flow to convey leachate under the conditions established in Section 811.…

Section 811.309 Leachate Treatment and Disposal Systems a) Leachate must be allowed to flow freely from the drainage and collection system. The operator is responsible for the operation of a leachate management system designed to handle all leachate as it drains from the collecti…

Section 811.310 Landfill Gas Monitoring a) This Section applies to all units that dispose putrescible wastes. b) Location and Design of Monitoring Wells 1) Gas monitoring devices must be placed at intervals and elevations within the waste to provide a representative sampling of t…

Section 811.311 Landfill Gas Management Systems a) The operator shall install a gas management system if any one of the following conditions are met: 1) A methane concentration greater than 50 percent of the lower explosive limit in air, is detected below the ground surface by a …

Section 811.312 Landfill Gas Processing and Disposal Systems a) The processing of landfill gas for use is strongly encouraged but is not required. b) Except as allowed in subsection (g), the landfill gas processing and disposal system, including compressors, blowers, raw gas moni…

Section 811.313 Intermediate Cover a) All waste which is not to be covered within 60 days of placement by another lift of waste or final cover in accordance with Section 811.314 shall have a cover equivalent to that provided by 0.30 meter (1 foot) of compacted clean soil material…

Section 811.314 Final Cover System a) The unit must be covered by a final cover consisting of a low permeability layer overlain by a final protective layer constructed in accordance with the requirements of this Section, unless the Agency has issued an RD&D permit that allows the…

Section 811.315 Hydrogeologic Site Investigations a) Purpose The operator shall conduct a hydrogeologic investigation to develop hydrogeologic information for the following uses: 1) Provide information to perform a groundwater impact assessment; and 2) Provide information to esta…

Section 811.316 Plugging and Sealing of Drill Holes All drill holes, including exploration borings that are not converted into monitoring wells, monitoring wells that are no longer necessary to the operation of the site, and other holes that may cause or facilitate contamination …

Section 811.317 Groundwater Impact Assessment The impacts of the seepage of leachate from the unit shall be assessed in a systematic fashion using the techniques described in this Section. a) Procedures for Performing the Groundwater Impact Assessment 1) The operator shall estima…

Section 811.318 Design, Construction, and Operation of Groundwater Monitoring Systems a) All potential sources of discharges to groundwater within the facility, including, but not limited to, all waste disposal units and the leachate management system, shall be identified and stu…

Section 811.319 Groundwater Monitoring Programs a) Detection Monitoring Program. Any use of the term maximum allowable predicted concentration in this Section is a reference to Section 811.318(c). The operator must implement a detection monitoring program in accordance with the f…

Section 811.320 Groundwater Quality Standards a) Applicable Groundwater Quality Standards 1) Groundwater quality must be maintained at each constituent's background concentration, at or beyond the zone of attenuation. The applicable groundwater quality standard established for an…

Section 811.321 Waste Placement a) Phasing of Operations 1) Waste disposal operations must move from the lowest portions of the unit to the highest portions. Except as provided in subsection (a)(2), the placement of waste must begin in the lowest part of the active face of the un…

Section 811.322 Final Slope and Stabilization a) All final slopes shall be designed and constructed to a grade capable of supporting vegetation and which minimizes erosion. b) All slopes shall be designed to drain runoff away from the cover and which prevents ponding. No standing…

Section 811.323 Load Checking Program a) The operator must implement a load checking program that meets the requirements of this Section, for detecting and discouraging attempts to dispose regulated hazardous wastes at the facility. For purposes of this Section and Section 811.40…

Section 811.324 Corrective Action Measures for MSWLF Units a) The owner or operator shall initiate an assessment of corrective action measures within 14 days of the following: 1) The groundwater impact assessment, performed in accordance with subsection 811.319 (c), indicates tha…

Section 811.325 Selection of remedy for MSWLF Units a) Within 90 days of the completion of the corrective action measures assessment conducted under Section 811.324, the owner or operator of a MSWLF unit shall: 1) Select a remedy based on the assessment results that, at a minimum…

Section 811.326 Implementation of the corrective action program at MSWLF Units a) Based on the schedule established pursuant to Section 811.325(d) for initiation and completion of corrective action, the owner or operator must fulfill the following requirements: 1) It must establi…

Section 811.401 Scope and Applicability a) This Subpart applies to all landfills permitted by the Agency pursuant to Section 21 of the Act, including landfills operated onsite, with or without a permit, that accept special wastes. b) The standards of this Subpart apply in additio…

Section 811.402 Notice to Generators and Transporters A prominent sign at the entrance to each solid waste management facility shall state that disposal of hazardous waste is prohibited and, if it is a facility permitted by the Agency to accept special wastes pursuant to 35 Ill. …