20Total Dams
1High Hazard
5Significant
Dam Safety in Charles Mix County, South Dakota
Charles Mix County has 20 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 5 carry a significant hazard classification. Currently, 1 dam has a condition assessment of poor or unsatisfactory.
The average dam in Charles Mix County is 57 years old. The most common purpose is recreation. The tallest dam is Fort Randall Dam at 170 ft.
Explore more: Oldest dams in South Dakota · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Fort Randall Dam | High | Not assessed | 170 | Flood Risk Reduction | 1954 |
| Spring-bull 1 | Significant | Not assessed | 64 | Flood Risk Reduction | 1973 |
| Spring-bull 2c | Significant | Not assessed | 54 | Flood Risk Reduction | 1982 |
| Varilek Fishpond #1 | Significant | Not assessed | 30 | Irrigation | 1970 |
| Sly Number 1 | Significant | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1961 |
| Lake Wagner Dam | Significant | Not assessed | 20 | Recreation | 1938 |
| Marty Mission | Low | Not assessed | 65 | Flood Risk Reduction | 1938 |
| Nelson Dam | Low | Not assessed | 40 | Irrigation | 1980 |
| River Farms Pond | Low | Not assessed | 38 | Fish and Wildlife Pond | 2020 |
| Spring-bull 3 | Low | Not assessed | 38 | Flood Risk Reduction | 1973 |
| Merkwan Dam | Low | Not assessed | 35 | Irrigation | 1981 |
| Dowd Dam | Low | Not assessed | 32 | Recreation | 1935 |
| Snake Creek Rec. Area Dam | Low | Not assessed | 32 | Recreation | 1995 |
| Dry Creek Subimpoundment | Low | Not assessed | 30 | Fish and Wildlife Pond | 1984 |
| Fite Dam Number 1 | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1972 |
| Dante Lake Dam | Low | Not assessed | 30 | Recreation | 1938 |
| Geddes | Low | Not assessed | 29 | Recreation | 1940 |
| Johnson Dam | Low | Not assessed | 20 | Irrigation | 1972 |
| Dehaan Livestock Dam | Low | Not assessed | 19 | Irrigation | 1976 |
| Joubert Drainage Dam | Low | Poor | 15 | Fish and Wildlife Pond | 1985 |