Lake Patrick Henry Dam

ROBERTS BRANCH· Chesterfield, Virginia· Earth· 29 ft tall
High Hazard Recreation Private

Key Takeaway

Lake Patrick Henry 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 29 ft (taller than 64.7% in VA)
Dam Length410 ft
Dam TypeEarth
Max Storage209 acre-ft
Normal Storage138 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
NID IDVA041042

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: January 8, 2020
State Regulated: Yes
Regulatory Agency: Department of Conservation and Recreation

Ownership

LPHA;Lake Patrick Henry Association

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Patrick Henry Dam?

Lake Patrick Henry 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 Lake Patrick Henry Dam?

Lake Patrick Henry Dam is owned by LPHA;Lake Patrick Henry Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Lake Patrick Henry Dam?

Lake Patrick Henry 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 Patrick Henry Dam?

Lake Patrick Henry Dam has a dam height of 29 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 Patrick Henry Dam last inspected?

Lake Patrick Henry Dam was last inspected on January 8, 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.