Lake John Dam is an earth dam located in Warren County, Virginia. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 335 ft long, taller than 62% 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 Lake John Dam
The primary purpose of Lake John Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Mark Peter Lynch (private). It impounds the Molly Booth Run.
The dam stands 28 feet tall and stretches 335 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 235 acre-feet, and collects water from a drainage area of 4 square miles.
An emergency action plan is in place for this dam.
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Location
| State | Virginia |
| County | Warren |
| River/Stream | Molly Booth Run |
| Coordinates | 38.98210, -78.26550 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 335 ft |
Storage & Hydraulics
| NID Storage | 235 acre-ft |
| Max Storage | 235 acre-ft |
| Normal Storage | 96 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Mark Peter Lynch |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | VA187002 |
| Federal ID | VA187002 |
| More Info | State Dam Safety Program |