13Total Dams
1High Hazard
4Significant
Dam Safety in Hancock County, Illinois
Hancock County has 13 dams tracked in the National Inventory of Dams. Of these, 1 are classified as high hazard — meaning failure would probably cause loss of human life. Another 4 carry a significant hazard classification.
The average dam in Hancock County is 66 years old. The most common purpose is recreation. The tallest dam is Rocky Run Lake Dam at 69 ft.
Explore more: Oldest dams in Illinois · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Horton Lake Dam | High | Not assessed | 50 | Recreation | 1967 |
| Rocky Run Lake Dam | Significant | Not assessed | 69 | Flood Risk Reduction | 1971 |
| Little Rocky Run Lake Dam | Significant | Not assessed | 64 | Flood Risk Reduction | 1971 |
| Carthage Lake 1 Dam | Significant | Not assessed | 38 | Recreation | 1924 |
| Laharpe Reservoir Dam | Significant | Not assessed | 15 | Recreation | 1949 |
| Jennifer Creek Reservoir Dam | Low | Not assessed | 62 | Flood Risk Reduction | 1971 |
| Augusta Lake Dam | Low | Not assessed | 34 | Recreation | 1945 |
| Hiland Lake Dam | Low | Not assessed | 29 | Recreation | 1965 |
| Limkemann Pond Dam | Low | Not assessed | 28 | Recreation | 1975 |
| Thomas Lake Dam | Low | Not assessed | 25 | Recreation | 1975 |
| Musick Pond Dam | Low | Not assessed | 20 | Recreation | 1965 |
| Carthage Lake 2 Dam | Low | Not assessed | 19 | Recreation | 1928 |
| Lake Linda Dam | Low | Not assessed | 12 | Recreation | 1964 |