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