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Lake County Public Works  
Potable Water Supply Services

The Lake County Public Works Department owns and operates twelve public water supply distribution systems.  The employees who maintain these water systems are certified under the Illinois Environmental Protection Agency (IEPA) Drinking Water Operator Certification Program.  Water quality is monitored and samples are tested in accordance with strict United States Environmental Protection Agency (USEPA) technical review criteria.


Water Service Areas
Learn about our water distribution systems and view maps of our water supply service areas.
Water Quality Reports
Read or print Consumer Confidence (CCR) Water Quality Reports which describe the source, treatment and chemical analysis of each drinking water system.
Water Supply Connection Permits
Learn about the water permit application process
Water Customer Account Services
Online information center for Lake County Public Works water utility customers

Hydrant Flushing Schedule
Check the dates and locations of the annual water main hydrant flushing program

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Lake County, Illinois
18 N. County Street
Waukegan, IL 60085
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650 W. Winchester Road
Libertyville, Illinois 60048

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