Dulles Airport Dam
Virginia — Loudoun County — TR-Horsepen Run
Location
| State | Virginia |
| County | Loudoun |
| River | TR-Horsepen Run |
| Coordinates | 38.96300, -77.44470 |
Physical Characteristics
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 650 ft |
| NID Storage | 259 acre-ft |
| Max Storage | 259 acre-ft |
| Surface Area | 28 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Rated |
| EAP Status | Yes |
| Last Inspection | — |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | — |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Public Utility |
| Owner | Metro-Washington Airport Authority |
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.