Dearborn's Environmental Rules: The Rules That Matter
Every city handles environmental rules a little differently. In Dearborn, Michigan, there are 4 distinct rules that residents and property owners should be aware of. Some are stricter than what neighboring cities enforce, and others are more relaxed. Here is what you need to know.
Erosion Control
Construction projects disturbing 1 acre or more or within 500 feet of a lake or stream need a Soil Erosion and Sedimentation Control permit under Michigan Part 91 administered by Wayne County.
Key details: Statute: Michigan Part 91 of PA 451. Permit trigger: 1 acre or within 500 feet of water. Administered by: Wayne County DPS. Required BMPs: Silt fence, inlet protection, stabilization.
Contact your local code enforcement office for specific penalty information.
Stormwater Management
Dearborn operates a separate stormwater system discharging to the Rouge River under a state MS4 permit. New construction over 1 acre must meet EGLE Part 91 soil erosion and stormwater standards.
Key details: MS4 permit: EGLE NPDES permitted. Receiving water: Rouge River watershed. SESC trigger: 1 acre (state) or 5000 sq ft (county). Illicit discharge: Report to Public Works.
Contact your local code enforcement office for specific penalty information.
Flood Zones
Parts of Dearborn along the Rouge River lie in FEMA Special Flood Hazard Areas. Construction in these zones requires a floodplain development permit and elevation above the base flood elevation.
Key details: Main flood zone: Rouge River AE and A zones. Freeboard: 1 foot above base flood elevation. State permit: EGLE Part 31 for regulated floodplains. NFIP member: Yes.
Contact your local code enforcement office for specific penalty information.
This is one of the stricter rules in Dearborn's municipal code. If you are unsure whether your situation complies, it is worth checking with the city before proceeding.
Grading & Drainage
Dearborn requires site grading to drain away from buildings and to not discharge onto neighboring properties. Major grading triggers Michigan Part 91 SESC permits and stormwater review.
Key details: Slope from building: 6 inches in 10 feet minimum. Neighbor runoff: Prohibited to increase. Sump discharge: 5 feet from property line. Large grading: SESC permit required.
Contact your local code enforcement office for specific penalty information.
The Bottom Line
Dearborn's environmental rules rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Dearborn is broadly strict or permissive.
This guide is based on Dearborn's current municipal code. Local rules can and do change, so check the individual ordinance pages for the latest details, penalties, and FAQs.