Watershed Summary 

The Combined Downriver Watershed is located within Wayne County, in southeast Michigan. The Detroit River, the Frank & Poet Drain, and the Blakely Drain are the three primary water courses within the watershed. The watershed drains an area of approximately 85.9 square miles in a relatively urbanized region, including a portion of the Detroit Metropolitan Airport in the headwater region of the Frank & Poet Drain.  The Combined Downriver Watershed is locally funded and approved under the CMI administrative rules.

MDEQ Nonpoint Source Links 

For a copy of the approved watershed management plan, please contact Peter Vincent via email, or at 517-241-8351.

Watershed Websites 

• Combined Downriver Watershed 
• Combined Downriver Watershed Management Plan 

Suggestions, corrections, or comments? Please contact us .