Johnson Dam
Virginia — Rappahannock County — Thumb Run
Location
| State | Virginia |
| County | Rappahannock |
| River | Thumb Run |
| Coordinates | 38.71510, -78.00490 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 200 ft |
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Surface Area | 6 acres |
Safety Classification
| Hazard Potential | Undetermined |
| Condition Assessment | Not Rated |
| EAP Status | Yes |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | — |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Shirley Williams |
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.