Dams in Hancock County, Illinois
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 Available | 50 | Recreation | 1967 |
| Rocky Run Lake Dam | Significant | Not Available | 69 | Flood Risk Reduction | 1971 |
| Little Rocky Run Lake Dam | Significant | Not Available | 64 | Flood Risk Reduction | 1971 |
| Carthage Lake 1 Dam | Significant | Not Available | 38 | Recreation | 1924 |
| Laharpe Reservoir Dam | Significant | Not Available | 15 | Recreation | 1949 |
| Jennifer Creek Reservoir Dam | Low | Not Available | 62 | Flood Risk Reduction | 1971 |
| Augusta Lake Dam | Low | Not Available | 34 | Recreation | 1945 |
| Hiland Lake Dam | Low | Not Available | 29 | Recreation | 1965 |
| Limkemann Pond Dam | Low | Not Available | 28 | Recreation | 1975 |
| Thomas Lake Dam | Low | Not Available | 25 | Recreation | 1975 |
| Musick Pond Dam | Low | Not Available | 20 | Recreation | 1965 |
| Carthage Lake 2 Dam | Low | Not Available | 19 | Recreation | 1928 |
| Lake Linda Dam | Low | Not Available | 12 | Recreation | 1964 |