Capitol Lake Dam
South Dakota — Hughes County — HILGERS GULCH
Location
| State | South Dakota |
| County | Hughes |
| River | HILGERS GULCH |
| Coordinates | 44.36462, -100.34375 |
Physical Characteristics
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 600 ft |
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Surface Area | 6 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | July 27, 2022 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1921 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | State |
| Owner | S&PL |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.