12Total Dams
0High Hazard
0Significant
Dam Safety in Union County, South Dakota
Union County has 12 dams tracked in the National Inventory of Dams.
The average dam in Union County is 57 years old. The most common purpose is flood risk reduction. The tallest dam is Union Creek No 6 at 39 ft.
Explore more: Oldest dams in South Dakota · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Union Creek No 6 | Low | Not assessed | 39 | Grade Stabilization | 1978 |
| Union Creek No. 5 | Low | Not assessed | 38 | Grade Stabilization | 1978 |
| Union Creek No 48 | Low | Not assessed | 37 | Grade Stabilization | 1976 |
| Union Creek No 9 | Low | Not assessed | 37 | Grade Stabilization | 1978 |
| Union Creek No 12 | Low | Not assessed | 37 | Grade Stabilization | 1976 |
| Brule Creek No. 36 | Low | Not assessed | 30 | Flood Risk Reduction | 1966 |
| Scott Creek Watershed No. 11 | Low | Not assessed | 29 | Flood Risk Reduction | 1955 |
| Brule Creek No. 26 | Low | Not assessed | 29 | Flood Risk Reduction | 1966 |
| Scott Creek Watershed No. 3 | Low | Not assessed | 27 | Flood Risk Reduction | 1955 |
| Brule Creek Watershed No. 16 | Low | Not assessed | 25 | Flood Risk Reduction | 1962 |
| Brule Creek Watershed No. 17 | Low | Not assessed | 25 | Flood Risk Reduction | 1963 |
| Brule Creek No. 15 | Low | Not assessed | 22 | Flood Risk Reduction | 1971 |