24Total Dams
4High Hazard
5Significant
Dam Safety in Knox County, Illinois
Knox County has 24 dams tracked in the National Inventory of Dams. Of these, 4 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification.
The average dam in Knox County is 69 years old. The most common purpose is recreation. The tallest dam is Lake Mcmaster Dam at 81 ft.
Explore more: Oldest dams in Illinois · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lake Mcmaster Dam | High | Not assessed | 81 | Recreation | 1981 |
| Spoon Lake Dam | High | Not assessed | 74 | Recreation | 1971 |
| Lake Storey Dam | High | Not assessed | 53 | Recreation | 1942 |
| Lake Rice Dam | High | Not assessed | 35 | Recreation | 1895 |
| Happy Hollow Lake Dam | Significant | Not assessed | 52 | Recreation | 1940 |
| Lake Bracken Dam | Significant | Not assessed | 47 | 1922 | |
| Roundhouse Lake Dam | Significant | Not assessed | 35 | Recreation | 1934 |
| Happy Hollow Lake 2 Dam | Significant | Not assessed | 34 | Recreation | 1965 |
| Calhoun Lake Dam | Significant | Not assessed | 24 | Recreation | 1923 |
| Salem Township Road 343 Dam | Low | Not assessed | 48 | Recreation | 1997 |
| Deushane Slurry Impoundment 3 Dam | Low | Not assessed | 46 | Fish and Wildlife Pond | |
| Lake Windsor Dam | Low | Not assessed | 45 | Recreation | 1965 |
| Deushane Slurry Impoundment 2 Dam | Low | Not assessed | 45 | Fish and Wildlife Pond | 1983 |
| Threw Lake Dam | Low | Not assessed | 43 | Recreation | |
| Bruington Lake Dam | Low | Not assessed | 40 | Recreation | 1954 |
| Old Five Lake Dam | Low | Not assessed | 35 | Recreation | 1945 |
| Knox County Conservation Club Lake Dam | Low | Not assessed | 33 | Recreation | 1958 |
| Daum Lake Dam | Low | Not assessed | 30 | Recreation | 1965 |
| Deushane Slurry Impoundment 1 Dam | Low | Not assessed | 28 | Tailings | 1983 |
| Buchanan Lake Dam | Low | Not assessed | 27 | Recreation | 1987 |
| Shebb Oaks Lake Dam | Low | Not assessed | 27 | Recreation | 1957 |
| Manson Heights Dams | Low | Not assessed | 25 | Recreation | 1950 |
| Taylor Lake Dam | Low | Not assessed | 21 | Other | 1966 |
| Dennis Russell Dam | Low | Not assessed | 10 | Recreation | 1970 |