Olson Dam
North Dakota, Pembina County, Tongue River-TR
Location
| State | North Dakota |
| County | Pembina |
| River | Tongue River-TR |
| Coordinates | 48.73043, -97.94663 |
Physical Characteristics
| NID Height | 74 ft |
| Dam Height | 67 ft |
| Dam Length | 990 ft |
| NID Storage | 1,077 acre-ft |
| Max Storage | 1,077 acre-ft |
| Surface Area | 7 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | November 3, 2022 |
| Inspection Frequency | - |
Dam Information
| Year Completed | 1957 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Pembina County WRB |
| Other Name | Tongue River WS Dam T7-1 |
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.