Upper Buffalo No.39
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | West Virginia |
| County | Marion |
| Nearest City | MANNINGTON |
| River/Stream | LLEWELLYN RUN |
| Coordinates | 39.56917, -80.32500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 57 ft |
| Dam Height | 57 ft |
| Dam Length | 379 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 585 acre-ft |
| Max Storage | 585 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Monongahela CD |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/30/2025 |
| Emergency Action Plan | Yes |