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Lake County Stormwater Management Commission  

Lake County Watersheds

Lake County watershed map (PDF format 2.2MB) 

What's New in Our Watersheds 

The Des Plaines River watershed planning process will soon begin. Watch for kick-off meeting information!

What is a watershed? 

A watershed is an area of land draining to a river or stream. It includes rivers, streams, lakes and wetlands. Everyone lives in a watershed and everyone contributes to the health of the watershed.  

Fox River Watershed  

Des Plaines River Watershed

Lake Michigan Watershed

North Branch of the Chicago River

Watershed Management Plans

Best Management Practices


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Lake County, Illinois
18 N. County Street
Waukegan, IL 60085
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