Lake Fairfax Dam
Virginia — Fairfax County — Colvin Run
Location
| State | Virginia |
| County | Fairfax |
| River | Colvin Run |
| Coordinates | 38.96460, -77.31740 |
Physical Characteristics
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 500 ft |
| NID Storage | 487 acre-ft |
| Max Storage | 487 acre-ft |
| Surface Area | 21 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | August 19, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | — |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Fairfax County Park 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.