Dams in Lake County, Illinois
28Total Dams
10High Hazard
6Significant
Dam Safety in Lake County, Illinois
Lake County has 28 dams tracked in the National Inventory of Dams. Of these, 10 are classified as high hazard — meaning failure would probably cause loss of human life. Another 6 carry a significant hazard classification.
The average dam in Lake County is 62 years old. The most common purpose is recreation. The tallest dam is Buffalo Creek Dam at 27 ft.
Explore more: Oldest dams in Illinois · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Buffalo Creek Dam | High | Not Available | 27 | Flood Risk Reduction | 1983 |
| Tullamore Dam | High | Not Available | 17 | Flood Risk Reduction | 1994 |
| Coopers Farm Sediment Storage Dam | High | Not Available | 13 | Debris Control | |
| St. Marys Lake Dam | High | Not Available | 12 | Recreation | 1921 |
| Forest Lake Dam | High | Not Available | 11 | Recreation | 1935 |
| Countryside Lake Dam | High | Not Available | 9 | Recreation | 1928 |
| Hawthorn Parkway Dam | High | Not Available | 9 | Flood Risk Reduction | 2001 |
| Lake Charles Dam | High | Not Available | 9 | Flood Risk Reduction | 1962 |
| Lancaster Court Dam | High | Not Available | 8 | Flood Risk Reduction | |
| Grandwood Lake Dam | High | Not Available | 0 | Recreation | |
| Waukegan Station West Ash Pond | Significant | Not Available | 20 | Other | 1979 |
| Waukegan Station East Ash Pond Dam | Significant | Not Available | 20 | Other | 1979 |
| Sylvan Lake Dam | Significant | Not Available | 15 | Recreation | 1920 |
| Loch Lomond Dam | Significant | Not Available | 14 | Recreation | 1958 |
| Round Lake Dam | Significant | Not Available | 9 | Recreation | 1945 |
| Gray Hawk Center Dam | Significant | Not Available | 8 | Flood Risk Reduction | |
| Timber Lake Dam | Low | Not Available | 20 | Recreation | 1949 |
| Rasmussen Lake Dam | Low | Not Available | 19 | Recreation | 1965 |
| Lake Amy Dam | Low | Not Available | 18 | Recreation | 1969 |
| Hawthorn Woods Country Club Wwtp Dam | Low | Not Available | 17 | Irrigation | 2006 |
| Countryside Landfill Dam | Low | Not Available | 13 | Flood Risk Reduction | 1997 |
| Tower Lake Dam | Low | Not Available | 12 | Recreation | 1915 |
| White Lake Dam | Low | Not Available | 11 | Recreation | 1964 |
| Lake Linden Dam | Low | Not Available | 10 | Recreation | 1955 |
| Lakeland Estates Dam | Low | Not Available | 9 | Recreation | 1956 |
| Barclay Station Detention Dam | Low | Not Available | 9 | Flood Risk Reduction | 1993 |
| Pond 2a Dam | Low | Not Available | 8 | Flood Risk Reduction | |
| Slocum Lake Dam | Low | Not Available | 8 | Recreation | 1983 |