Hanna Dam

Alleghany, Virginia· Earth· 152 ft tall
Unknown Private

Key Takeaway

Hanna Dam is classified as unknown in Virginia.

Physical Details

Dam Height 152 ft (taller than 99.4% in VA)
Dam TypeEarth
Max Storage5.0K acre-ft
Normal Storage9 acre-ft
Surface Area2 acres
Drainage Area11 sq mi
NID IDVA005007

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

Sharon Kay Hanna

Private

Nearby Dams

Howard Creek No. 12 Dam

Greenbrier, WV

High Hazard 87 ft

Pond Lick Branch Dam

Alleghany, VA

Low Hazard 29 ft

Frequently Asked Questions

What is the hazard classification of Hanna Dam?

Hanna 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 Hanna Dam?

Hanna Dam is owned by Sharon Kay Hanna (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Hanna Dam?

Hanna Dam has a dam height of 152 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.