Lake Rillhurst Dam

Culpeper, Virginia· Earth· 27 ft tall
Significant Hazard Recreation Private

Key Takeaway

Lake Rillhurst 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 27 ft (taller than 56.5% in VA)
Dam Length900 ft
Dam TypeEarth
Max Storage787 acre-ft
Normal Storage252 acre-ft
Surface Area53 acres
Drainage Area3 sq mi
NID IDVA047036

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: September 10, 2021
State Regulated: Yes
Regulatory Agency: Department of Conservation and Recreation

Ownership

ALPHIN, WILLIAM M & MARY S T

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Rillhurst Dam?

Lake Rillhurst 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 Lake Rillhurst Dam?

Lake Rillhurst Dam is owned by ALPHIN, WILLIAM M & MARY S T (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Lake Rillhurst Dam?

Lake Rillhurst 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 Lake Rillhurst Dam?

Lake Rillhurst 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.

When was Lake Rillhurst Dam last inspected?

Lake Rillhurst Dam was last inspected on September 10, 2021. 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.