Middle Illinois Basin

Regional water supply planning in the Middle Illinois Basin is focused on the Cambrian-Ordovician Sandstone aquifers, the shallow bedrock aquifers, the sand and gravel aquifers, and the Illinois and Vermillion Rivers in the following counties: LaSalle, Livingston, Marshall, Peoria, Putnam, Stark, and Woodford.

Recent Publications

Water Supply Planning: Middle Illinois Progress Report






Middle Illinois Basin Priority Planning Area

   Regions


Illinois State Water Survey

2204 Griffith Dr
Champaign, IL 61820-7463
217-244-5459
info@isws.illinois.edu

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