Bonesteel Lake
South Dakota — Gregory County — PONCA CREEK-TR
Location
| State | South Dakota |
| County | Gregory |
| River | PONCA CREEK-TR |
| Coordinates | 43.07166, -99.00166 |
Physical Characteristics
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 550 ft |
| NID Storage | 132 acre-ft |
| Max Storage | 132 acre-ft |
| Surface Area | 12 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | — |
| EAP Status | Not Required |
| Last Inspection | October 25, 2023 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1935 |
| 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.