Dams in McHenry County, Illinois

21Total Dams
4High Hazard
5Significant
DamHazardConditionHeight (ft)PurposeYear
Lake In The Hills Dam 1HighNot Available40Recreation1926
Wonder Lake DamHighNot Available27Recreation1929
High Hill Farms DamHighNot Available23Flood Risk Reduction1977
Wonder Lake Sediment Dewatering Facility DamHighNot Available22Other2014
Kazimer Lake DamSignificantNot Available15Recreation1965
Lake In The Hills 2 DamSignificantNot Available15Other1947
Algonquin DamSignificantNot Available9Flood Risk Reduction1947
Brookdale DamSignificantNot Available8Recreation
Stratton Lock And DamSignificantNot Available7Flood Risk Reduction1939
Silver Lake DamLowNot Available23Recreation1929
Kingsley Lake DamLowNot Available22Recreation1972
South Lake DamLowNot Available16Recreation1965
Eddy Lake DamLowNot Available14Recreation1965
Woodscreek Detention DamLowNot Available13Flood Risk Reduction1991
Island Lake DamLowNot Available12Recreation1940
Wold Lake DamLowNot Available11Recreation1965
Lake In The Hills 3 DamLowNot Available10Recreation1940
Thunderbird Lake 2 DamLowNot Available10Recreation1965
Thunderbird Lake 1 DamLowNot Available7Recreation1965
Yellow Head Marsh DamLowNot Available7Other1990
Black Tern Marsh DamLowNot Available7Recreation1992