Upper Buffalo No.22 Dam
West Virginia — Marion County — BIG RUN
Location
| State | West Virginia |
| County | Marion |
| River | BIG RUN |
| Coordinates | 39.60222, -80.38389 |
Physical Characteristics
| NID Height | 62 ft |
| Dam Height | 62 ft |
| Dam Length | 366 ft |
| NID Storage | 755 acre-ft |
| Max Storage | 755 acre-ft |
| Surface Area | 7 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | June 30, 2025 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1975 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Monongahela CD |
| Other Name | Big Run 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.