Dams in Knox County, Illinois
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 Available | 81 | Recreation | 1981 |
| Spoon Lake Dam | High | Not Available | 74 | Recreation | 1971 |
| Lake Storey Dam | High | Not Available | 53 | Recreation | 1942 |
| Lake Rice Dam | High | Not Available | 35 | Recreation | 1895 |
| Happy Hollow Lake Dam | Significant | Not Available | 52 | Recreation | 1940 |
| Lake Bracken Dam | Significant | Not Available | 47 | 1922 | |
| Roundhouse Lake Dam | Significant | Not Available | 35 | Recreation | 1934 |
| Happy Hollow Lake 2 Dam | Significant | Not Available | 34 | Recreation | 1965 |
| Calhoun Lake Dam | Significant | Not Available | 24 | Recreation | 1923 |
| Salem Township Road 343 Dam | Low | Not Available | 48 | Recreation | 1997 |
| Deushane Slurry Impoundment 3 Dam | Low | Not Available | 46 | Fish and Wildlife Pond | |
| Lake Windsor Dam | Low | Not Available | 45 | Recreation | 1965 |
| Deushane Slurry Impoundment 2 Dam | Low | Not Available | 45 | Fish and Wildlife Pond | 1983 |
| Threw Lake Dam | Low | Not Available | 43 | Recreation | |
| Bruington Lake Dam | Low | Not Available | 40 | Recreation | 1954 |
| Old Five Lake Dam | Low | Not Available | 35 | Recreation | 1945 |
| Knox County Conservation Club Lake Dam | Low | Not Available | 33 | Recreation | 1958 |
| Daum Lake Dam | Low | Not Available | 30 | Recreation | 1965 |
| Deushane Slurry Impoundment 1 Dam | Low | Not Available | 28 | Tailings | 1983 |
| Buchanan Lake Dam | Low | Not Available | 27 | Recreation | 1987 |
| Shebb Oaks Lake Dam | Low | Not Available | 27 | Recreation | 1957 |
| Manson Heights Dams | Low | Not Available | 25 | Recreation | 1950 |
| Taylor Lake Dam | Low | Not Available | 21 | Other | 1966 |
| Dennis Russell Dam | Low | Not Available | 10 | Recreation | 1970 |