Massachusetts Surface Impoundments regulations & environmental compliance analysis

Massachusetts Surface Impoundments: What you need to know

Governing Law and Regulations

Hazardous waste surface impoundment rules: 310 Code of Massachusetts Regulations (CMR) 30.610 to 30.618

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Design standards:

Double liners: 310 CMR 30.612 to 310 CMR 30.614

Additional requirements: 310 CMR 30.612(6) to (10)

Notification and certification: 310 CMR 30.612(3)(a) to (b)

Special wastes: 310 CMR 30.616(4)

Emergency waivers: 310 CMR 30.618

Federal organic air emissions standards: 40 CFR 264.1050 to 264.1090 and 40 CFR 265.1050 to 265.1090 (interim status)

Regulatory Agencies

Massachusetts Department of Environmental Protection (DEP) Bureau of Waste Prevention Business Compliance Division

U.S. Environmental Protection Agency (EPA) Region 1

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Massachusetts's surface impoundment requirements include the federal rules and several more stringent standards. The Commonwealth's standards cover: design, notification and certification, special wastes, facility waivers, and facility permits and fees.

Administration and enforcement. DEP's Bureau of Waste Prevention enforces the surface impoundment requirements in Massachusetts. EPA's Region 1 office enforces the federal air emissions standards for surface impoundments in Massachusetts.

State Requirements


Double Liners

310 CMR 30.612 to 310 CMR 30.614

Unlike the federal rules, DEP requires that all surface impoundments, new or existing, including monofills, have double liners. Existing facilities must either install a second liner or close the facility within 4 years from the date their DEP license was issued (310 CMR 30.613). DEP also specifies these additional ...

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