Stormwater Management: Dearborn vs Westland
How do stormwater management rules compare between Dearborn, MI and Westland, MI?
Dearborn has fewer restrictions than Westland.
Dearborn, MI
Wayne County
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.
View full Dearborn rules βWestland, MI
Wayne County
Westland manages stormwater under EGLE MS4 permit requirements. New developments must control runoff, and illicit discharges to storm drains are prohibited with fines up to 10,000 dollars.
View full Westland rules βKey Facts Comparison
| Fact | Dearborn | Westland |
|---|---|---|
| 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 | Fines up to 10,000 dollars |
| Regulator | - | EGLE MS4 permit |
| Watershed | - | Lower Rouge River |
| Development trigger | - | 1 acre disturbance |
| Contact | - | DPS (734) 467-3200 |
Highlighted rows indicate differences between cities.
Dearborn FAQ
Can I wash my car in the driveway?
Occasional home car washing is allowed, but commercial washing requires runoff capture to avoid illicit discharge violations.
Do I need a stormwater permit for a new deck?
Small residential projects do not trigger state SESC permits, but county rules may apply near streams.
Westland FAQ
Can I wash my car and let soap run into the street?
Not repeatedly. Occasional home car washing is tolerated, but commercial washing runoff is a prohibited discharge.
Where does Westland storm water go?
To the Lower Rouge River via storm drains, untreated. That is why dumping anything into drains is prohibited.
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