Winslow Dam

Negro Run· Fauquier, Virginia· Earth· 36 ft tall
Significant Hazard Recreation Private

Key Takeaway

Winslow Dam is classified as significant hazard in Virginia. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 36 ft (taller than 82% in VA)
Dam Length510 ft
Dam TypeEarth
Max Storage779 acre-ft
Normal Storage477 acre-ft
Drainage Area2 sq mi
Max Discharge11,815 cfs
NID IDVA061022

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: April 30, 2022
State Regulated: Yes
Regulatory Agency: Department of Conservation and Recreation

Ownership

Seneca Lake Estates, Inc.

Private

Nearby Dams

Hsbc Bank Dam

Fauquier, VA

Unknown 31 ft

Dalton Pond Dam

Fauquier, VA

Low Hazard 18 ft

Bobby Payne Dam

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Unknown 25 ft

Hidden Lake Dam

Stafford, VA

Significant Hazard 26 ft

Lake Arrowhead Dam

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High Hazard 26 ft

Little Lake Arrowhead Dam

Stafford, VA

Unknown 22 ft

Ad Clark Dam

Stafford, VA

Unknown 22 ft

Engh Dam

Prince William, VA

Unknown 18 ft

Frequently Asked Questions

What is the hazard classification of Winslow Dam?

Winslow Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Winslow Dam?

Winslow Dam is owned by Seneca Lake Estates, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Winslow Dam?

Winslow 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 Winslow Dam?

Winslow Dam has a dam height of 36 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 Winslow Dam last inspected?

Winslow Dam was last inspected on April 30, 2022. 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.