Arkansas Surface Impoundments regulations & environmental compliance analysis

Arkansas Surface Impoundments: What you need to know

Governing Law and Regulations

Hazardous waste surface impoundment rules: Arkansas Regulation (AR Reg.) 23.264.220 to 23.264.232 and AR Reg. 23.265.220 to 23.265.231 (interim status)

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Liner construction quality assurance (CQA) plan: AR Reg. 23.264.19 and AR Reg. 23.265.19 (interim status)

Response action plan: AR Reg. 23.264.223 and AR Reg. 23.265.223 (interim status)

Organic air emissions standards: AR Reg. 23.264.1050 to 23.264.1090 and AR Reg. 23.265.1050 to 23.265.1091 (interim status)

Facility design and operating rules: AR Reg. 23.264.20(a)

Regulatory Agency

Arkansas Department of Environmental Quality (ADEQ) Hazardous Waste Division

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

· Rules. Arkansas has adopted the federal hazardous waste surface impoundment requirements. Owners and operators of hazardous waste treatment, storage, and disposal facilities (TSDFs) using surface impoundments must comply with additional permit application requirements and pay several state facility fees.

· Administration and enforcement. ADEQ administers and enforces the surface impoundment requirements in Arkansas.

State Requirements


Hazardous waste facility owners and operators in Arkansas are subject to several state permit application conditions that are in addition to the federal rules including those regarding the need for a baseline health survey before operation, mandatory public hearings before permit approval, and additional TSDF ownership disclosure requirements. The state's more stringent permit standards and applications rules are reviewed in the state section TSDF PERMITS.


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