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Lake County Public Works  

The primary responsibility of Lake County Public Works is to provide water and sanitary sewer service to widely distributed portions of the county.  We operate and maintain twelve water distribution systems and three sewage treatment plants. If you are unable to find the information you need on these pages, please feel free to call us:

Business hours...........................847.377.7500
After-hours emergencies............847.336.1611 

Water and Sewer User Charges
2015 studies of water, sewer and user charges

Stanton Bay Smoke Testing
Identification of locations where stormwater is entering the sanitary sewer system

Public Information
Public health notices, alerts, hydrant flushing schedules, water conservation tips and more.

Cross Connection Control Survey

Your Water/Sewer Account
Account information for our water and sewer utility customers. Payment options, rates and change-of-address tips.

Information for contractors or homeowners planning construction or modification of sewer and water connections within our service areas.  Links to bid contract opportunities.

Information on current and ongoing projects.

Water Quality
Water Quality Reports for each of our water distribution systems. Important information about natural elements, additives and contaminants that may be present in drinking water.

Our Services and Service Areas
Not sure who to call?  See maps of our service areas. Learn about our testing and treatment services, grease trap inspection, backflow prevention and more.

About Us
Contact us, report a problem or learn more about our organization.

Thank you for your interest in the Lake County Department of Public Works.

What is Lake County Life? It's all of the things that make Lake County special. It's our natural beauty, our schools and businesses, the people who live, work, and play here, and so much more.


 Countryside Manor Water Tower

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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