J.t. Hirst Dam
Significant HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Virginia |
| County | Loudoun |
| River/Stream | N Fork Catoctin Creek |
| Coordinates | 39.19830, -77.77600 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 600 ft |
Storage & Hydraulics
| NID Storage | 155 acre-ft |
| Max Storage | 155 acre-ft |
| Normal Storage | 128 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Town of Purcellville;Town of Purcellville |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 01/14/2022 |
| Emergency Action Plan | Yes |