Lost River #4 Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | West Virginia |
| County | Hardy |
| Nearest City | LOST RIVER |
| River/Stream | KIMSEY RUN |
| Coordinates | 38.95639, -78.81500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 89 ft |
| Dam Height | 89 ft |
| Dam Length | 1,754 ft |
| Year Completed | 1996 (30 years old) |
Storage & Hydraulics
| NID Storage | 10,256 acre-ft |
| Max Storage | 10,256 acre-ft |
| Normal Storage | 653 acre-ft |
| Surface Area | 66 acres |
| Drainage Area | 32 sq mi |
| Max Discharge | 99,057 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Potomac Valley CD |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/31/2025 |
| Emergency Action Plan | Yes |