Michigan Water - General regulations & environmental compliance analysis

Michigan Water - General: What you need to know

Governing Law and Regulations

Natural Resources and Environmental Protection Act, Michigan Compiled Laws (MCL) 324.3101 to 324.3133

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Michigan Safe Drinking Water Act, MCL 325.1001 to 325.1023

Aquatic nuisance control: Michigan Administrative Code (MAC) r. 323.3101 to r. 323.3110

Material application approvals for water resources management (Rule 97): MAC r. 323.1097

Regulatory Agencies

Michigan Department of Environmental Quality (DEQ) Water Bureau

DEQ Office of the Great Lakes (OGL)

U.S. Army Corps of Engineers (Corps) Detroit District Office Louisville District Office

U.S. Environmental Protection Agency (EPA) Region 5

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Under the authority of the Natural Resources and Environmental Protection Act, the state generally follows the federal rules for regulating wastewater discharges in Michigan.

Michigan is fully authorized to administer the National Pollution Discharge Elimination System (NPDES) for wastewater dischargers. The state requires groundwater discharge permits and special permits for activities near the shorelines of the Great Lakes and connecting waterways if they would potentially cause erosion, harm a designated area, or increase the risk of a flood. The state generally follows the federal requirements for permitting wastewater discharges. See the national section NPDES PERMIT for additional guidance.

Under the Michigan Safe Drinking Water Act, the state generally follows the rules under the federal Safe Drinking Water Act (SDWA) for drinking water. However, the state also has some additional requirements for inspections, monitoring, operator ...


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