Occoquan Lower Storage Dam
Virginia — Fairfax County — Occoquan River
Location
| State | Virginia |
| County | Fairfax |
| River | Occoquan River |
| Coordinates | 38.68960, -77.26900 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 484 ft |
| NID Storage | 170 acre-ft |
| Max Storage | 170 acre-ft |
| Surface Area | 19 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | November 5, 2020 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | — |
| Primary Purpose | Water Supply |
| Dam Type | Gravity |
| Owner Type | Local Government |
| Owner | Fairfax County Water 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.