Dams in Day County, South Dakota
3Total Dams
0High Hazard
0Significant
Dam Safety in Day County, South Dakota
Day County has 3 dams tracked in the National Inventory of Dams.
The average dam in Day County is 63 years old. The most common purpose is recreation. The tallest dam is Amsden at 35 ft.
Explore more: Oldest dams in South Dakota · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Amsden | Low | 35 | Recreation | 1937 | |
| Pierpont | Low | 24 | Flood Risk Reduction | 1937 | |
| Tvinnereim Trust Dam | Low | 8 | Recreation | 2015 |