Upper Occoquan Sewage Authority Dam
Virginia — Fairfax County — TR-Bull Run
Location
| State | Virginia |
| County | Fairfax |
| River | TR-Bull Run |
| Coordinates | 38.80260, -77.45720 |
Physical Characteristics
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 1,680 ft |
| NID Storage | 1,130 acre-ft |
| Max Storage | 1,130 acre-ft |
| Surface Area | 54 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | September 22, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | — |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | UOSA |
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.