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Notices to Private Well Users about Public Water Supply-related Groundwater Contamination

Red Dots on the map link to notices and news releases provided by the Illinois Department of Public Health per the 2002 Illinois’ Right-to-Know law (Please see 415 ILCS 55/9.1 regarding Notification of actual or potential contamination.) to alert private well users to groundwater contamination that may threaten their wells. The notices occur when groundwater contamination is detected in public water supply wells at levels determined by Illinois EPA to be a threat to private well users in the vicinity. This would not necessarily constitute a threat to the public water supply.

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Public Water Supplies by County

Dots on map indicate public water supplies for which we have further information regarding groundwater contamination.

Click on any county that contains a colored dot to get a listing of public water supplies for that county and links to associated documents.

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