Johnson Dam
Johnson Dam is an earth dam located in Rappahannock County, Virginia. It carries a Undetermined hazard potential classification.
About Johnson Dam
The primary purpose of Johnson Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Shirley Williams (private). It impounds the Thumb Run.
The dam stands 20 feet tall and stretches 200 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 53 acre-feet, and collects water from a drainage area of 2 square miles.
An emergency action plan is in place for this dam.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
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 |
Identifiers
| NID ID | VA061004 |
| Federal ID | VA061004 |
| More Info | State Dam Safety Program |
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