In addition to providing water and sanitary sewer services, Lake County Public Works performs other government services to protect consumers and the environment. We conduct testing, perform inspections and regulate permits that pertain to water and sanitary sewer issues. Our service areas are primarily unincorporated areas of Lake County. Visit the Lake County Home Page for a complete list of county government services.
Service FAQsFrequently asked questions about what type of services we perform
Potable Water Supply ServicesLearn about our water distribution systems, view service area maps and print a copy of your Water Quality ReportSanitary Sewer ServicesLearn about our sewer systems and sewage treatment water reclamation facilities
Inspection ServicesInformation on the testing and inspection of sewer or water service lines, commercial grease traps, backflow prevention devices and more
North Libertyville Estates LeveeLearn about this successful flood-prevention device built by the Army Corps of Engineers on the Des Plaines River
847.377.7500PublicWorks@lakecountyil.gov 650 W. Winchester RoadLibertyville, Illinois 60048