There are currently 38 licensed public beaches on 13 lakes in McHenry County. Each public beach is licensed by the Illinois Department of Public Health and inspected by McHenry County Department of Health for compliance with the Illinois Swimming Pool and Bathing Beach Code. Staff from McHenry County Department of Health collects and analyzes beach water samples for bacterial quality at least once every two weeks throughout the summer months. Elevated bacterial levels may result in closure of the beach until bacteria reach acceptable levels. Click here for more information on public beaches.
Beaches are closed from Labor Day until Memorial Day.