Lake John Dam

Molly Booth Run· Warren, Virginia· Earth· 28 ft tall
Unknown Irrigation Private

Key Takeaway

Lake John Dam is classified as unknown in Virginia. Its primary use is irrigation.

Physical Details

Dam Height 28 ft (taller than 60.8% in VA)
Dam Length335 ft
Dam TypeEarth
Max Storage235 acre-ft
Normal Storage96 acre-ft
Surface Area13 acres
Drainage Area4 sq mi
NID IDVA187002

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: Yes
State Regulated: Yes
Regulatory Agency: Department of Conservation and Recreation

Ownership

Mark Peter Lynch

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake John Dam?

Lake John 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 Lake John Dam?

Lake John Dam is owned by Mark Peter Lynch (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Lake John Dam?

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

How tall is Lake John Dam?

Lake John Dam has a dam height of 28 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.