Johnson Dam is an earth dam located in Fauquier County, Virginia. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 500 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
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 Phillip W. Walker (private). It impounds the Great Run.
The dam stands 25 feet tall and stretches 500 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 221 acre-feet, and collects water from a drainage area of 1 square miles.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Virginia |
| County | Fauquier |
| River/Stream | Great Run |
| Coordinates | 38.76250, -77.83820 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 500 ft |
Storage & Hydraulics
| NID Storage | 221 acre-ft |
| Max Storage | 221 acre-ft |
| Normal Storage | 131 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Phillip W. Walker |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VA061014 |
| Federal ID | VA061014 |
| More Info | State Dam Safety Program |