Chicago

Where Does West Chicago Get Their Water?

groundwater. The City of West Chicago uses groundwater provided by nine wells drilled into two different geological formations. These formations consist of the Ironton-Galesville and Silurian dolomite aquifers. An aquifer is a geological formation that contains water. What is Chicago’s main water source? Lake MichiganLake Michigan, by volume, is the second largest Great Lake and …

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