Patterson Creek No. 12 Dam
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | West Virginia |
| County | Grant |
| Nearest City | BURLINGTON |
| River/Stream | THORN RUN |
| Coordinates | 39.21056, -79.04083 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 86 ft |
| Dam Height | 86 ft |
| Dam Length | 742 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 2,772 acre-ft |
| Max Storage | 2,772 acre-ft |
| Normal Storage | 130 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 28,256 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Potomac Valley CD |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 09/30/2025 |
| Emergency Action Plan | Yes |