Watershed Summary 

The Lake St. Clair Direct Drainage Subwatershed is a 41 square mile basin that is part of the larger Lake St. Clair Regional sub-basin and extends along the Lake St. Clair shore from the Clinton River Spillway in Harrison Township to the outlet of Lake St. Clair into the Detroit River near the City of Grosse Pointe Park.   The Lake St. Clair Direct Drainage Subwatershed is locally funded, approved under the CMI administrative rules, and meets EPA's nine required elements. 

MDEQ Nonpoint Source Links 

• Macomb County Office of Public Works Illicit Connection Elimination fact sheet (560 KB PDF) 
• Macomb County Health Department Illicit Discharge Elimination fact sheet (150 KB PDF) 

Watershed Websites 

• Clinton River Watershed Council 
• Lake St. Clair Watershed Plan 

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