Nelson Lake Dam
North Dakota — Oliver County — Square Butte Creek
Location
| State | North Dakota |
| County | Oliver |
| River | Square Butte Creek |
| Coordinates | 47.06629, -101.20642 |
Physical Characteristics
| NID Height | 66 ft |
| Dam Height | 66 ft |
| Dam Length | 2,200 ft |
| NID Storage | 20,122 acre-ft |
| Max Storage | 20,122 acre-ft |
| Surface Area | 660 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | July 7, 2021 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1967 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Public Utility |
| Owner | Minnkota Power Coop |
| Other Name | Minnkota Power Dam |
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.