Allen Dam

Powhatan, Virginia· 27 ft tall
Unknown Private

Key Takeaway

Allen Dam is classified as unknown in Virginia.

Physical Details

Dam Height 27 ft (taller than 56.5% in VA)
Max Storage61 acre-ft
Normal Storage41 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
NID IDVA145074

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

Donald O Allen

Private

Nearby Dams

Woodberry Dam

Powhatan, VA

Unknown 22 ft

Fralin Dam

Powhatan, VA

Unknown 18 ft

Spratley Leigh Dam

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Low Hazard 58 ft

Hamilton Dam

Powhatan, VA

Unknown 26 ft

Huguenot - St. Lukes

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Unknown 28 ft

Stoney Pond Dam

Goochland, VA

Significant Hazard 26 ft

Dover Lake Dam

Goochland, VA

High Hazard 41 ft

Brookview Farm Dam

Goochland, VA

High Hazard 45 ft

Frequently Asked Questions

What is the hazard classification of Allen Dam?

Allen 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 Allen Dam?

Allen Dam is owned by Donald O Allen (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Allen Dam?

Allen Dam has a dam height of 27 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.