Watersheds - Kaskaskia

Watershed Location

Detailed Watershed Location

Watershed Profile



USGS Cataloging Unit

07140201, 07140202, 07140203, 07140204


The Kaskaskia watershed in south-central Illinois is part of the Mississippi River basin. With drainage from 22 counties, the watershed has a total area of approximately 5,810 square miles and contains two of the largest manmade reservoirs in Illinois: Lake Shelbyville and Lake Carlyle. Agriculture is the primary use of land within the watershed.

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