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Lake County Public Works  
Sanitary Sewage Treatment Services

The Lake County Public Works Department owns and operates four sewage treatment plants, also known as water reclamation facilities. We process the wastewater of approximately 25,000 direct customers and over 100,000 contractual customers by agreement with fourteen Lake County municipalities. Our treatment plants are operated in strict compliance with federal, state and local regulations to protect our waterways from hazardous discharge.

 
Sewer Service Areas
View service area maps of our seven sanitary sewer systems.

Sewer Customer Account Services
O
nline information center for Lake County Public Works sewer utility customers. 
 
Discharge of residential septage, holding tank waste and semi-solid drying bed material by approved haulers 
 
 

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Lake County, Illinois
847.377.2000
18 N. County Street
Waukegan, IL 60085
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847.377.7500
PublicWorks@lakecountyil.gov
650 W. Winchester Road
Libertyville, Illinois 60048

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