John Hart Dam

Grayson, Virginia· 29 ft tall
Unknown Not Listed

Key Takeaway

John Hart Dam is classified as unknown in Virginia.

Physical Details

Dam Height 29 ft (taller than 64.7% in VA)
Max Storage29 acre-ft
Normal Storage24 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
NID IDVA077016

Safety Information

Unknown

Hazard potential has not been determined.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: Department of Conservation and Recreation

Ownership

Not Listed

Nearby Dams

Laurel Creek Dam

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Low Hazard 24 ft

Umbarger No 1

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Glade Mtn No 1

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Glade Mtn Washer Site 3 Dam

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Fields Dam

Grayson, VA

Low Hazard 14 ft

Hale Lake

Grayson, VA

High Hazard 30 ft

Frequently Asked Questions

What is the hazard classification of John Hart Dam?

John Hart Dam is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates John Hart Dam?

John Hart Dam is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is John Hart Dam?

John Hart Dam has a dam height of 29 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.