16Total Dams
0High Hazard
3Significant
Dam Safety in Minnehaha County, South Dakota
Minnehaha County has 16 dams tracked in the National Inventory of Dams. Another 3 carry a significant hazard classification.
The average dam in Minnehaha County is 47 years old. The most common purpose is flood risk reduction. The tallest dam is Driftwood Dairy Sw Wwp at 31 ft.
Explore more: Oldest dams in South Dakota · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Assam | Significant | Not assessed | 30 | Recreation | 1968 |
| Sioux Falls Diversion Weir | Significant | Not assessed | 27 | Flood Risk Reduction | 1960 |
| Sioux Falls Diversion | Significant | Not assessed | 21 | Flood Risk Reduction | 1960 |
| Driftwood Dairy Sw Wwp | Low | Not assessed | 31 | Other | 2020 |
| Driftwood Dairy Nw Wwp | Low | Not assessed | 31 | Other | 2020 |
| Eros Data Center Dam | Low | Not assessed | 31 | Water Supply | 1972 |
| Harr Dam | Low | Not assessed | 28 | Recreation | 1977 |
| Nordstrom | Low | Not assessed | 27 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Silver Creek No. 2 | Low | Not assessed | 27 | Flood Risk Reduction | 1963 |
| Silver Creek No. 3 | Low | Not assessed | 27 | Flood Risk Reduction | 1973 |
| Silver Creek No. 4 | Low | Not assessed | 26 | Flood Risk Reduction | 1963 |
| Big Sioux River Skunk Creek | Low | Not assessed | 24 | Other | 2010 |
| Silver Creek No. 6 | Low | Not assessed | 24 | Flood Risk Reduction | 1973 |
| Silver Creek No. 5 | Low | Not assessed | 22 | Flood Risk Reduction | 1960 |
| Silver Creek No. 1 | Low | Not assessed | 21 | Flood Risk Reduction | 1960 |
| Driftwood Dairy Se Wwp | Low | Not assessed | 17 | Other | 2020 |