Environmental Rules in Michigan (2026)

Michigan administers federal stormwater rules under Part 31 of NREPA, requiring statewide MS4 and construction permits…

Dearborn bans dumping anything but storm water into its storm drain system and requires industrial and construction…

The City of Flint bans any discharge to its storm sewer system that is not entirely storm water, requiring an NPDES…

Livonia requires a stormwater construction approval and construction permit, coordinated with Wayne County, before…

Sterling Heights bans discharging anything but storm water into its municipal storm drain system and watercourses…

Wyoming, Michigan requires stormwater review and approval before any development begins, under the city's Chapter 68…

Clinton Township's Drainage chapter bars connecting roof downspouts, footing drains or other surface runoff to the…

Detroit requires a Water and Sewerage Department-approved Post-Construction Stormwater Management Plan before site plan…

Farmington Hills bans discharging anything but stormwater into its municipal storm drain system under the city's…

Grand Rapids bans discharging anything but stormwater into its City Stormwater Drainage System, requiring dischargers…

Lansing requires an approved post-construction stormwater management plan for site plans, plot plans, plats and grading…

Shelby's groundwater protection article requires any site plan for a business handling more than 100 kilograms of…

Troy requires every development project subject to site plan review to use best management practices meeting the city's…

New development or redevelopment disturbing one acre or more in Warren must control post-construction stormwater runoff…

Wayne County requires a stormwater construction approval and construction permit before any regulated construction…

Westland requires a stormwater construction approval before any regulated construction activity affecting roads, city…

Michigan's Part 91 of NREPA imposes uniform statewide soil erosion permits for earth changes near water or disturbing…

Any earth change of 1 acre or more, or any earth change within 500 feet of a lake, stream, wetland, or county drain in…

Bay County requires a Soil Erosion and Sediment Control Permit before any earth change disturbing enough ground to…

Anyone who causes an earth change in Wyoming, Michigan must control soil erosion and sedimentation well enough to keep…

Clinton Township requires every site-improvement plan to include adequate soil erosion and sedimentation control…

Dearborn requires an SESC permit from the building official for any earth change of one acre or more, or within 500…

Detroit property owners must grade lots to prevent soil erosion and stop stagnant water from pooling on the ground or…

Farmington Hills requires soil erosion and sediment control devices on every site under construction, per the…

Grand Rapids requires a Stormwater Discharge Permit before any earth change of 2,500 square feet or more, or any…

Kent County requires a Soil Erosion and Sedimentation Control (SESC) permit before any earth change that disturbs one…

Lansing requires a Soil Erosion and Sedimentation Control (SESC) permit from the City Engineer before any earth change…

Anyone proposing an earth change within 500 feet of a lake or stream, or disturbing an acre or more of land in Livonia…

Any earth change in Ottawa County that disturbs one acre or more, or sits within 500 feet of a lake or stream, needs a…

Sterling Heights requires a Soil Erosion and Sedimentation Control permit from the Office of Engineering before any…

Troy requires a Soil Erosion and Sedimentation Control (SESC) permit for any earth change disturbing more than one…

Warren requires a city engineer permit before anyone disturbs soil in a way that changes drainage patterns, and once…

Wayne County requires a stormwater construction approval and construction permit before any grading, clearing, or…

Westland requires an approved grading plan before it issues a building permit, plus a paid grading certificate before…

Before the City of Flint issues a building permit for most new development, the site plan must show drainage patterns…

Michigan's Part 323 NREPA preempts local coastal rules in designated high-risk erosion, flood-risk, and environmental…

Michigan requires EGLE permits for occupation, filling, or construction within the 100-year floodplain of any river or…

Bay County's Health Department will not permit a new on-site sewage disposal system (septic system) if its proposed…

Clinton Township requires a development permit before anyone locates a structure or obstruction, or makes substantial…

The City of Flint requires a development permit before any construction, fill, grading or excavation in an area of…

Grand Rapids regulates construction in FEMA-mapped floodplains along the Grand River, adopting the current Flood…

Lansing requires new construction and substantial improvements inside the FEMA-mapped special flood hazard area to…

Livonia bars new buildings and most land uses inside its mapped Special Flood Hazard Area under Section 8.06 of the…

The Village of Shelby's subdivision ordinance forbids platting land subject to flooding for residential use. Under…

Sterling Heights bars human habitation inside its FEMA-mapped floodplain area under Zoning Ordinance Article 16 and…

Warren participates in FEMA's National Flood Insurance Program, and § 9-21 blocks the code official from issuing a…

Wyoming, Michigan (Kent County) bans new residences, landfills, junkyards and sewage-disposal systems outright in…

Any new construction, substantial improvement, or land alteration inside a Dearborn area of special flood hazard…

Detroit requires a floodplain development permit from the Buildings, Safety Engineering, and Environmental Department…

Farmington Hills regulates floodprone land by adopting FEMA's 2006 Oakland County Flood Insurance Study and its Flood…

Ottawa County's Environmental Health Division will not approve a septic system for a new or rebuilt home sited inside…

Troy requires a floodplain development permit before any grading, filling, building or other development inside an area…

Westland enforces FEMA flood insurance maps and the state Building Code's flood-hazard provisions citywide, with the…

Sterling Heights requires City of Sterling Heights Building Department approval before anyone builds, maintains or…

Ann Arbor bans commercial vehicles from idling at all while unoccupied and caps idling at 5 minutes per 60-minute…

Dearborn caps vehicle idling at 5 minutes per hour for occupied vehicles and bans idling entirely for unoccupied ones…

Heavy commercial vehicles over 8,500 lbs GVWR can't idle more than 5 minutes per hour in Detroit, with civil fines up…

Farmington Hills bars a parked or standing commercial truck or tractor-trailer from running its engine audibly on…

Grand Rapids prohibits idling a motor vehicle over five tons for more than two minutes while stationary within 150 feet…

Livonia bars trucks and other vehicles over 10,000 pounds from idling more than five minutes an hour overnight within…

The City of Flint requires new and substantially improved residential structures in flood hazard areas to have the…

New construction and substantial improvements in Clinton Township's flood hazard areas must have the lowest floor…

New construction or substantial improvement of a residential structure in a Dearborn flood hazard area must have its…

Detroit requires new construction and substantial improvements in flood hazard areas to elevate the lowest floor…

Farmington Hills requires one foot of freeboard above the 100-year stormwater elevation in every detention and…

Grand Rapids bars new construction in flood-prone drainage areas from having a building opening below the Flood…

Lansing requires new construction and substantial improvements in the special flood hazard area to elevate the lowest…

New construction above Livonia's mapped flood level still must clear a specific elevation test: Section 8.06(2)(B) of…

In Ottawa County flood-affected areas, well caps must sit at least 12 inches above the 100-year floodplain elevation…

In Sterling Heights, Michigan floodplain areas, a home's lowest floor must sit at least two feet above the FEMA…

Any new residential structure or substantial improvement inside a Troy flood hazard area must have its lowest floor…

Warren doesn't print its own freeboard figure; it enforces elevation standards through the adopted Michigan Building…

Wyoming, Michigan requires the lowest floor of new and substantially improved buildings in the floodplain, including…