Illinois Surface Impoundments: What you need to know

Governing Law and Regulations

Hazardous waste surface impoundment rules: 35 Illinois Administrative Code (IAC) 724.320 to 724.332 and 35 IAC 725.320 to 725.331 (interim status)

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Liner construction quality assurance (CQA) Plan: 35 IAC 724.101(j)(9), 35 IAC 724.119, and 35 IAC 725.119 (interim status)

Response action plan: 35 IAC 724.323 and 35 IAC 725.323

Organic air emissions standards: 35 IAC 724.950 to 724.965; 35 IAC 724.980 to 724.991 and 35 IAC 725.950 to 725.964; 35 IAC 725.980 to 725.990 (interim status)

Disposal prohibitions: 415 Illinois Compiled Statutes (ILCS) 5/21(l)

Records: 35 IAC 855.203

Regulatory Agency

Illinois Environmental Protection Agency (IEPA) Bureau of Land Division of Land Pollution Control Waste Reduction and Compliance Section Hazardous Waste Management Program

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Illinois follows the federal rules for surface impoundments. In addition, facilities with surface impoundments must comply with the state's disposal prohibitions, recordkeeping requirements, permit requirements, and facility fees.

Administration and enforcement. IEPA's Division of Land Pollution Control administers and enforces the surface impoundment requirements in Illinois, including the organic air emissions standards for surface impoundments.

State Requirements


415 ILCS 5/21(l)

Illinois prohibits any hazardous waste disposal site from being located within specified distances of shafts or tunneled mines, active faults, or existing private wells or public water supplies.


35 IAC 855.203

All hazardous waste surface impoundment owners ...

>> Read more about Surface Impoundments

State Requirements

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Illinois Surface Impoundments Resources

Surface Impoundments Products

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