Channel Lake is a 97-acre freshwater lake located near Antioch, Illinois. Originally a natural wetland, it was dredged in the 1920s to create a recreational lake. The lake's hydrology is primarily fed by several small streams as well as local rainfall and snowmelt. The surrounding area is predominately agricultural, with some residential development. The lake supports a variety of recreational activities such as fishing, boating, and swimming. However, the lake's water quality has been negatively impacted by runoff from agricultural and residential areas, leading to issues with algae blooms and other water quality concerns. The lake is managed by the Channel Lake Improvement Association, which works to address these issues and promote the lake's recreational use.