Delaware Surface Impoundments regulations & environmental compliance analysis

Delaware Surface Impoundments: What you need to know

Governing Law and Regulations

Hazardous waste surface impoundment rules: Delaware Administrative Code (DE Admin Code) 1302.264.220 to 1302.264.232 and 7 DE Admin Code 1302.265.220 to 265.231 (interim status)

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Liner construction quality assurance plan: 7 DE Admin Code 1302.264.19 and 7 DE Admin Code 1302.265.19 (interim status)

Response action plan: 7 DE Admin Code 1302.264.223 and 7 DE Admin Code 1302.265.223 (interim status)

Organic air emissions standards: 7 DE Admin Code 1302.264.1050 to 1302.264.1090 and 7 DE Admin Code 1302.265.1050 to 1302.265.1090 (interim status)

Regulatory Agency

Delaware Department of Natural Resources and Environmental Control (DNREC) Office of Environmental Protection Division of Waste and Hazardous Substances Solid and Hazardous Waste Management Section

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Delaware has adopted the federal requirements for hazardous waste surface impoundments. There are no additional state requirements.

Owners and operators of treatment, storage, and disposal facilities (TSDFs) that use hazardous waste surface impoundments must comply with permit application requirements, including those regarding site location and an application fee, that are in addition to the federal permit requirements. In addition, permitted surface impoundments must pay an annual hazardous waste assessment fee. Refer to the state section TSDF PERMITS to review Delaware's permitting and fee requirements.

Administration and enforcement. DNREC's Division of Division of Waste and Hazardous Substances administers and enforces the surface impoundment rules in the ...


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