20Total Dams
3High Hazard
5Significant
Dam Safety in Marion County, Illinois
Marion County has 20 dams tracked in the National Inventory of Dams. Of these, 3 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 Marion County is 80 years old. The most common purpose is recreation. The tallest dam is Stephen A. Forbes State Park Lake Dam at 46 ft.
Explore more: Oldest dams in Illinois · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Kinmundy New Lake Dam | High | Not assessed | 38 | Recreation | 1998 |
| Raccoon Lake Dam | High | Not assessed | 29 | Water Supply | 1943 |
| Salem Reservoir Dam | High | Not assessed | 21 | Recreation | 1912 |
| Stephen A. Forbes State Park Lake Dam | Significant | Not assessed | 46 | Recreation | 1963 |
| Lake Centralia Dam | Significant | Not assessed | 31 | Recreation | 1911 |
| Conservation Club 100 Lake Dam | Significant | Not assessed | 30 | Recreation | 1953 |
| Hecks Lake Dam | Significant | Not assessed | 18 | Recreation | 1959 |
| Lakewood Lake Dam | Significant | Not assessed | 17 | Recreation | 1910 |
| Marlow Pond Dam | Low | Not assessed | 28 | Other | 1950 |
| Lester Lake Dam | Low | Not assessed | 26 | Recreation | 1935 |
| Kinmundy Lake Dam | Low | Not assessed | 25 | Recreation | 1885 |
| Rose Lake Dam | Low | Not assessed | 23 | Recreation | 1954 |
| Neffs Lake Dam | Low | Not assessed | 22 | Recreation | 1963 |
| Rochester-goodell Reservoir Dam | Low | Not assessed | 22 | Recreation | 1959 |
| Frosty Acres Lake Dam | Low | Not assessed | 20 | Recreation | 1964 |
| Kings Lake Dam | Low | Not assessed | 19 | Recreation | 1930 |
| Greenview Country Club Pond 1 Dam | Low | Not assessed | 18 | Recreation | 1965 |
| Sportsman Lake Dam | Low | Not assessed | 17 | Recreation | 1957 |
| Old Reservoir Dam | Low | Not assessed | 17 | Recreation | 1943 |
| Cartter Pond Dam | Low | Not assessed | 11 | Recreation | 1965 |