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Illinois Watershed Management Clearinghouse

Major Illinois Watersheds

Roll over the map with your mouse to determine watershed boundaries. Click a watershed to view a list of watershed groups active in that area.

Image map of Illinois Watersheds Illinois Ohio Cache Big Muddy Saline Little Wabash Spoon La Moine Macoupin Kishwaukee Rock Green Fox Des Plaines Chicago/Calumet Lake Michigan Iroquois Vermilion (Illinois Basin) Mackinaw Vermilion (Wabash Basin) Sangamon Kaskaskia Wabash Embarras Mississippi

The Major Watersheds of Illinois map is published by the Illinois State Water Survey, Map Series 2000-01. Order a free copy of the map online.


©2003 University of Illinois Board of Trustees
http://www.watershed.uiuc.edu/