Johnson Dam
Undetermined HazardNot Rated ConditionEmergency Action Plan: Yes
Location
| State | Virginia |
| County | Rappahannock |
| River/Stream | Thumb Run |
| Coordinates | 38.71510, -78.00490 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 200 ft |
Storage & Hydraulics
| NID Storage | 53 acre-ft |
| Max Storage | 53 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Shirley Williams |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Yes |