29Total Dams
13High Hazard
3Significant
Dam Safety in Ralls County, Missouri
Ralls County has 29 dams tracked in the National Inventory of Dams. Of these, 13 are classified as high hazard — meaning failure would probably cause loss of human life. Another 3 carry a significant hazard classification.
The average dam in Ralls County is 55 years old. The most common purpose is recreation. The tallest dam is Bear Creek Dam at 65 ft.
Explore more: Oldest dams in Missouri · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Bear Creek Dam | High | Satisfactory | 65 | Flood Risk Reduction | 1962 |
| Bunn Enterprises Lake Dam | High | Not assessed | 43 | Recreation | 1996 |
| Woollen Lake Dam | High | Not assessed | 30 | Recreation | 1962 |
| Gibson Dam | High | Not assessed | 28 | Debris Control | 1976 |
| Ashbury Lake Dam | High | Not assessed | 28 | Flood Risk Reduction | 1978 |
| Perry City Dam - Lower | High | Not assessed | 26 | Water Supply | 1964 |
| Thompson Lake Dam | High | Not assessed | 25 | Recreation | |
| Lake Hannibal Estates Upper Dam | High | Not assessed | 22 | Recreation | 1968 |
| Clarence Cannon Dam - Saddle Dam | High | Not assessed | 22 | Flood Risk Reduction | 1983 |
| Fertch Lake Dam | High | Not assessed | 20 | ||
| Lake Hannibal Dam | High | Not assessed | 18 | Recreation | 1967 |
| Perry City Dam No. 2 | High | Not assessed | 13 | Water Supply | 1964 |
| Eisele Lake Dam | High | Not assessed | 12 | Irrigation | 1974 |
| Monroe City Dam | Significant | Satisfactory | 47 | Water Supply | 1967 |
| Clarence Cannon Re-regulation Dam | Significant | Not assessed | 38 | Flood Risk Reduction | 1979 |
| Mississippi River Lock and Dam 22 | Significant | Not assessed | 32 | Navigation | 1938 |
| Luetkemeyer Dam | Low | Not assessed | 34 | Grade Stabilization | 2007 |
| Crystal Blue Lake Dam | Low | Not assessed | 34 | Recreation | 1960 |
| O'keefe Lake | Low | Not assessed | 31 | Fish and Wildlife Pond | 1975 |
| Jaynes Dam | Low | Not assessed | 30 | Debris Control | 1956 |
| Central Stone Co Dam | Low | Not assessed | 30 | Water Supply | 1955 |
| Byers Lake | Low | Not assessed | 29 | Fish and Wildlife Pond | 1978 |
| Griffith Lake Dam | Low | Not assessed | 26 | Flood Risk Reduction | 1977 |
| Bowman Dam | Low | Not assessed | 26 | Recreation | 1963 |
| Peery Lake Dam | Low | Not assessed | 25 | Recreation | |
| Verna Moore Dam | Low | Not assessed | 21 | Irrigation | 1974 |
| Carl Moore Lake Dam | Low | Not assessed | 18 | Irrigation | 1972 |
| Mononame 571 | Low | Not assessed | 10 | Recreation | 1965 |
| Mononame 572 | Low | Not assessed | 10 | Recreation | 1974 |