Olga Dam
North Dakota — Cavalier County — Tongue River
Location
| State | North Dakota |
| County | Cavalier |
| River | Tongue River |
| Coordinates | 48.78808, -98.00197 |
Physical Characteristics
| NID Height | 69 ft |
| Dam Height | 65 ft |
| Dam Length | 360 ft |
| NID Storage | 961 acre-ft |
| Max Storage | 961 acre-ft |
| Surface Area | 4 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | June 12, 2013 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1955 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Pembina & Cavalier Co WRB |
| Other Name | Tongue River WS Dam T3-2 |
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.