Environmental Rules in Flint, MI (2026)
4 verified environmental rules for Flint, Michigan, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
The City of Flint bans any discharge to its storm sewer system that is not entirely storm water, requiring an NPDES permit, permit-by-rule status, or a City use permit for anything else.
Flint Illicit Stormwater Discharge Ban
Significant RestrictionsFlint, MI Code of Ordinances § 46-127
Unless exempted from regulation under § 46-130 or authorized under § 46-131: (a) Any discharge to the storm sewer system that is not composed entirely of storm water is prohibited and declared an illicit discharge; and (b) Any connection to the storm sewer system conveying discharges to the system not comprised entirely of storm water is prohibited and declared an illicit connection.
Erosion Control
Before the City of Flint issues a building permit for most new development, the site plan must show drainage patterns and any structures, like fencing on unstable soils, designed to prevent erosion, under § 50-8.3(d)(36).
Flint Site Plan Erosion Control
Light Restrictions§ 50-8.3(d)(36)
Basic indication of existing and proposed drainage patterns and structures, including location and nature of any streams, drains, wetlands, unstable soils or fences designed to prevent soil erosion and a general description of method and location of storm water detention; (37) Location, dimensions and content of all signage; (38) A statement indicating the existing and intended ...
Flood Zones
The City of Flint requires a development permit before any construction, fill, grading or excavation in an area of special flood hazard, administered under the Flood Hazard Management Ordinance.
Flint Floodplain Development Permit
Significant RestrictionsFlint, MI Code of Ordinances § 50-173(a)
A development permit shall be obtained before construction or development begins within any area of special flood hazard established in § 50-171 hereof. Application for a development permit shall be made on forms furnished by the City and may include, but not be limited to, plans in duplicate drawn to scale showing the nature, location, dimensions and elevations of the area in question.
Flood Elevation Requirements
The City of Flint requires new and substantially improved residential structures in flood hazard areas to have the lowest floor built at or above base flood elevation, with equivalent floodproofing for nonresidential buildings.
Flint Base Flood Elevation Standard
Significant RestrictionsFlint, MI Code of Ordinances § 50-177(d)(1)
Residential construction. New construction and substantial improvement of any residential structure shall have the lowest floor, including basement, elevated to or above base flood elevation. (2) Nonresidential construction. New construction and substantial improvement of any commercial, industrial or other nonresidential structure shall either have the lowest floor, including the basem...
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