J.T. Hirst Dam
Virginia — Loudoun County — N Fork Catoctin Creek
Location
| State | Virginia |
| County | Loudoun |
| River | N Fork Catoctin Creek |
| Coordinates | 39.19830, -77.77600 |
Physical Characteristics
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 600 ft |
| NID Storage | 155 acre-ft |
| Max Storage | 155 acre-ft |
| Surface Area | 9 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | January 14, 2022 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | — |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Town of Purcellville;Town of Purcellville |
| Other Name | Purcellville 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.