Terwilliger Dam

Fauquier, Virginia· 25 ft tall
Unknown Private

Key Takeaway

Terwilliger Dam is classified as unknown in Virginia.

Physical Details

Dam Height 25 ft (taller than 46.7% in VA)
Max Storage62 acre-ft
Normal Storage44 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
NID IDVA061113

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

TERWILLIGER, CAROL H & GEORGE JAMES III

Private

Nearby Dams

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Thompson Dam

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Hill Crest Dam

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Fleetwood Farm Dam #1

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Mathews Dam

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Fleetwood Farm Dam #2

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Brockett Dam

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Herbert Dam

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Frequently Asked Questions

What is the hazard classification of Terwilliger Dam?

Terwilliger 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 Terwilliger Dam?

Terwilliger Dam is owned by TERWILLIGER, CAROL H & GEORGE JAMES III (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Terwilliger Dam?

Terwilliger Dam has a dam height of 25 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.