Illinois Administrative Code

Section 615.445 Inspection Requirements During operation, a surface impoundment must be inspected weekly and after storms to detect evidence of any of the following: a) Deterioration, malfunctions or improper operation of overtopping control systems; b) Sudden drops in the level …

Section 615.446 Operating Requirements a) A person must not cause or allow incompatible materials to be placed in the same surface impoundment unit. b) A surface impoundment unit must be removed from service in compliance with subsection (c) when: 1) The level of liquids in the u…

Section 615.447 Closure and Post-Closure Care a) If closure is to be by removal, the owner or operator must remove all waste, all waste residues, contaminated containment system components (e.g., liners), contaminated subsoils and structures, and equipment contaminated with waste…

Section 615.461 Applicability This Subpart applies to existing waste piles that are located wholly or partially within a setback zone or regulated recharge area and that contain special waste or other waste generated on-site, except that this Subpart does not apply to any existin…

Section 615.462 Required Closure A waste pile is considered to be a landfill and thereby subject to the closure requirements of Subpart D unless the operator can demonstrate to the Agency that the wastes are not accumulated over time for disposal. At the minimum, such demonstrati…

Section 615.463 Design and Operating Requirements This Section applies six months after the date of first applicability to a waste pile not subject to Section 615.462, a) The owner or operator must not cause or allow: 1) Disposal or storage in the waste pile of liquids or materia…

Section 615.464 Closure The owner or operator must accomplish closure by removing and disposing of all wastes and containment system components (e.g., liners). If disposed of in the State of Illinois, the waste and containment system components must be disposed of at a disposal s…

Section 615.501 Applicability This Subpart applies to existing underground storage tanks that are located wholly or partially within a setback zone or regulated recharge area and that contain special waste, except that this Subpart does not apply to any existing underground stora…

Section 615.502 Design and Operating Requirements Owners and operators of existing underground storage tanks that store special waste must meet the requirements in 35 Ill. Adm. Code 731. Such requirements must be met even if the tanks are excluded from coverage under 35 Ill. Adm.…

Section 615.601 Applicability This Subpart applies to any existing unit for the storage and handling of pesticides that is located wholly or partially within a setback zone or regulated recharge area and that: a) Is operated for the purpose of commercial application; or b) Stores…

Section 615.602 Groundwater Monitoring The owner or operator must comply with the requirements of Subpart B. (Source: Amended at 47 Ill. Reg. 7581, effective May 16, 2023)

Section 615.603 Design and Operating Requirements The owner or operator must: a) Maintain a written record inventorying all pesticides stored or handled at the unit. b) At least weekly when pesticides are being stored, inspect storage containers, tanks, vents, valves, and appurte…

Section 615.604 Closure and Post-Closure Care The owner or operator must comply with the requirements of Subpart C. (Source: Amended at 47 Ill. Reg. 7581, effective May 16, 2023) SUBPART J: FERTILIZER STORAGE AND HANDLING UNITS

Section 615.621 Applicability This Subpart applies to any existing unit for the storage and handling of fertilizers that is located wholly or partially within a setback zone or regulated recharge area and that: a) Is operated for the purpose of commercial application; or b) Store…

Section 615.622 Groundwater Monitoring The owner or operator must comply with the requirements of Subpart B. (Source: Amended at 47 Ill. Reg. 7581, effective May 16, 2023)

Section 615.623 Design and Operating Requirements The owner or operator must: a) Maintain a written record inventorying all fertilizers stored or handled at the unit. b) At least weekly when fertilizers are being stored, inspect storage containers, tanks, vents, valves, and appur…

Section 615.624 Closure and Post-Closure Care The owner or operator must comply with the requirements of Subpart C. (Source: Amended at 47 Ill. Reg. 7581, effective May 16, 2023) SUBPART K: ROAD OIL STORAGE AND HANDLING UNITS

Section 615.701 Applicability This Subpart applies to any existing unit for the storage and related handling of road oils that is located wholly or partially within a setback zone or regulated recharge area and at which greater than 25,000 gallons of road oils are stored or accum…

Section 615.702 Required Closure of Units Located Within Minimum Setback Zones A person must not cause or allow the operation within a minimum setback zone of any road oil storage and handling unit after January 10, 1994. Closure of a road oil storage handling unit must be comple…

Section 615.703 Groundwater Monitoring The owner or operator must comply with the requirements of Subpart B. (Source: Amended at 47 Ill. Reg. 7581, effective May 16, 2023)

Section 615.704 Design and Operating Requirements for Above-Ground Storage Tanks a) The owner or operator must not cause or allow: 1) Materials to be placed in a tank if such materials could cause the tank to rupture, leak, corrode, or otherwise fail. 2) Uncovered tanks to be pla…

Section 615.705 Closure a) At closure, all materials must be removed from containers, tanks, discharge control equipment, and discharge confinement structures. b) All materials that are to be disposed of in the State of Illinois must be disposed of at a disposal site permitted by…

Section 615.721 Applicability This Subpart applies to any existing unit for the storage and related handling of de-icing agents that is located wholly or partially within a setback zone and at which more than 50,000 pounds of de-icing agent are stored or accumulated at any one ti…

Section 615.722 Groundwater Monitoring The owner or operator must comply with the requirements of Subpart B. (Source: Amended at 47 Ill. Reg. 7581, effective May 16, 2023)

Section 615.723 Design and Operating Requirements a) Indoor facilities must comply with the following standards beginning two years after the date of first applicability: 1) The base of the facility must be constructed of materials capable of containing de-icing agents (e.g., bit…

Section 615.724 Closure a) At closure, all de-icing agents must be removed from the site, discharge control equipment and discharge confinement structures. b) All de-icing agents that are to be disposed of in the State of Illinois must be disposed of at a disposal site permitted …

Section 14.2 of the Act sets forth the process to obtain a waiver or exception from the setback requirements Sections 616.402(a), 616.422(a), 616.442, 616.462(a), 616.602, 616.622, 616.702 or 616.722(a). (Source: Amended at 47 Ill. Reg. 7631, effective May 16, 2023)

Section 616.101 Purpose This Part specifies the requirements and standards for the protection of groundwater for certain types of new facilities or units located wholly or partially within a setback zone regulated by the Environmental Protection Act (Act) [415 ILCS 5] or within a…

Section 616.102 Definitions Except as stated in this Section, and unless a different meaning of a word or term is clear from the context, the definitions of words or terms in this Part are the same as those used in 35 Ill. Adm. Code 615.102, the Act, or the Illinois Groundwater P…

Section 616.104 Exceptions to Prohibitions

Section 616.105 General Exceptions a) This Part does not apply to any facility or unit, or to the owner or operator of any facility or unit, for which: 1) The owner or operator obtains certification of minimal hazard under Section 14.5 of the Act; or 2) Alternate requirements are…

Section 616.201 Applicability This Subpart applies to: a) Land treatment units subject to Subpart E; b) Surface impoundments subject to Subpart F; c) Pesticide storage and handling units subject to Subpart I; d) Fertilizer storage and handling units subject to Subpart J; e) Road …

Section 616.202 Compliance Period The compliance period is the active life of the unit, including closure and post-closure care periods. a) The active life begins when the unit first begins operation or one year after the date of first applicability, whichever occurs later, and e…

Section 616.203 Compliance With Groundwater Standards The owner or operator must comply with the groundwater standards. a) The term of compliance is the compliance period. b) Compliance must be measured at the compliance point, or compliance points if more than one such point exi…

Section 616.204 Groundwater Monitoring System a) The groundwater monitoring system must consist of a sufficient number of wells, installed at appropriate locations and depths to yield groundwater samples that: 1) Represent the quality of background water that has not been affecte…

Section 616.205 Groundwater Monitoring Program The owner or operator must develop a groundwater monitoring program that consists of: a) Consistent sampling and analysis procedures that are designed to ensure monitoring results that provide a reliable indication of groundwater qua…

Section 616.206 Reporting The owner or operator must submit the results of all monitoring required under this Subpart to the Agency within 60 days after sampling is completed. (Source: Amended at 47 Ill. Reg. 7631, effective May 16, 2023)

Section 616.207 Determining Background Values and Maximum Allowable Results (MARs) a) The owner or operator must, by the start of operation of the unit and continuing for at least one year, sample each monitoring well at least every two months and analyze each sample according to…

Section 616.208 Continued Sampling Upon completion of the background sampling required under Section 616.207, the owner or operator must sample each monitoring well for the duration of the compliance period and analyze each sample, except as provided in Section 616.209, according…

Section 616.209 Preventive Notification and Preventive Response a) Preventive notification is required for each well in which: 1) A MAR is exceeded (except for pH); or 2) There is a detection of any contaminant: A) Required to be monitored under Section 616.207(a); B) Listed unde…

Section 616.210 Corrective Action Program Whenever any applicable groundwater standard under 35 Ill. Adm. Code 620.Subpart D is exceeded, an owner or operator must undertake the following corrective action: a) Notify the Agency of the need to undertake a corrective action program…

Section 616.211 Alternative Corrective Action Demonstration If a corrective action program is required under Section 616.210, it is presumed that contamination from the facility or unit that is being monitored is responsible for the groundwater standard being exceeded. An owner o…

Section 616.301 Applicability This Subpart applies to: a) Land treatment units subject to Subpart E; b) Surface impoundments subject to Subpart F; c) Pesticide storage and handling units subject to Subpart I; and d) Fertilizer storage and handling units subject to Subpart J.

Section 616.302 Closure Performance Standard The owner or operator must close the unit in a manner that: a) Controls, minimizes, or eliminates, to the extent necessary to protect human health and the environment, post-closure escape of waste, waste constituents, leachate, contami…

Section 616.303 Certification of Closure Within 60 days after the closure of each unit is completed, the owner or operator must submit to the Agency, by registered or certified mail, a certification that the unit has been closed in compliance with the closure requirements. The ce…

Section 616.304 Survey Plat a) Before the submission of the certification of closure of each unit, the owner or operator must record with land titles and submit to the Agency and any local zoning authority or authority with jurisdiction over local land use a survey plat indicatin…

Section 616.305 Post-Closure Notice for Waste Disposal Units Within 60 days after certification of closure of the unit, the owner or operator of a unit subject to Subpart D, E, or F must submit to the Agency, the County Recorder, and any local zoning authority, or authority with …