Gore Dam

TR-Potomac River· Loudoun, Virginia· Earth· 40 ft tall

High Hazard Recreation Private

Key Takeaway

Gore Dam is classified as high hazard in Virginia. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height	40 ft (taller than 86.6% in VA)
Dam Length	400 ft
Dam Type	Earth
Max Storage	162 acre-ft
Normal Storage	86 acre-ft

Surface Area	8 acres
Drainage Area	0 sq mi
NID ID	VA107014

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes

Last Inspection: December 9, 2020

State Regulated: Yes

Regulatory Agency: Department of Conservation and Recreation

Ownership

Jo Ann D. Athey

Private

Nearby Dams

Hui Dam

Loudoun, VA

Unknown 30 ft

Point of Rocks Dam

Frederick, MD

Significant Hazard 14 ft

Proximity Dam

Loudoun, VA

Unknown 30 ft

Lower Theisman Dam

Loudoun, VA

Unknown 20 ft

Evans Pond Dam

Loudoun, VA

Unknown 18 ft

Tarara Winery Dam

Loudoun, VA

Unknown 60 ft

Old Waterford Road Dam

Loudoun, VA

Unknown 28 ft

Limestone Court Dam

Loudoun, VA

Unknown 15 ft

Frequently Asked Questions

What is the hazard classification of Gore Dam?

Gore Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Gore Dam?

Gore Dam is owned by Jo Ann D. Athey (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Gore Dam?

Gore Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Gore Dam?

Gore Dam has a dam height of 40 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.

When was Gore Dam last inspected?

Gore Dam was last inspected on December 9, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.