Michigan Surface Impoundments: What you need to know

Governing Law and Regulations

Hazardous waste surface impoundment rules: Michigan Administrative Code (MAC) r. 299.11003(1)(m), MAC r. 299.9616, MAC r. 299.9620 to 299.9622, and MAC r. 299.11003(1)(p) (interim status)

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Organic air emissions rules: MAC r. 299.9631, MAC r. 299.9634 (permitted facilities), and MAC r. 299.11003(1)(p) (interim status)

Location standards: MAC r. 299.9603


General standard for liners: MAC r. 299.9620

Compacted clay liners: MAC r. 299.9620(3)

Quality control program: MAC r. 299.9621

Liner leak detection system: MAC r. 299.9622

Nonadoption of federal double liner exemption: MAC r. 299.9616(1)

Regulatory Agency

Michigan Department of Environmental Quality (DEQ) Office of Waste Management and Radiological Protection (OWMRP) Hazardous Waste Section

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Michigan's surface impoundment requirements include the federal rules and several more stringent state standards. The state's standards cover location standards, liners, facility permits, including application fee, and closure.

Administration and enforcement. The Michigan Department of Environmental Quality's (DEQ) Hazardous Waste Section administers and enforces the surface impoundment requirements in Michigan, including the organic air emissions standards.

State Requirements


MAC r. 299.9603

Michigan follows the federal location standards for hazardous waste treatment, storage, and disposal facilities (TSDFs) and has its own additional requirements. Surface impoundments may be located only in areas where there is not less than 6 meters (m) of soil with a maximum ...

>> Read more about Surface Impoundments

State Requirements

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Michigan Surface Impoundments Resources

Surface Impoundments Products

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