Prairie No. 1
North Dakota — Sioux County — Bone Creek
Location
| State | North Dakota |
| County | Sioux |
| River | Bone Creek |
| Coordinates | 46.25100, -100.63380 |
Physical Characteristics
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 370 ft |
| NID Storage | 204 acre-ft |
| Max Storage | 204 acre-ft |
| Surface Area | 18 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | August 3, 2020 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1966 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Federal |
| Owner | BIA |
| Other Name | Prairie #1 |
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.