Possum Point Ash Dam #D

Off Stream· Prince William, Virginia· Earth· 140 ft tall
High Hazard Debris Control Public Utility

Key Takeaway

Possum Point Ash Dam #D is classified as high hazard in Virginia. Its primary use is debris control. 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 140 ft (taller than 99.3% in VA)
Dam Length1,700 ft
Dam TypeEarth
Max Storage6.4K acre-ft
Normal Storage5.5K acre-ft
Surface Area104 acres
Drainage Area0 sq mi
NID IDVA153020

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: April 20, 2022
State Regulated: Yes
Regulatory Agency: Department of Conservation and Recreation

Ownership

Virginia Electric and Power Company

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Possum Point Ash Dam #D?

Possum Point Ash Dam #D 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 Possum Point Ash Dam #D?

Possum Point Ash Dam #D is owned by Virginia Electric and Power Company (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Possum Point Ash Dam #D?

Possum Point Ash Dam #D serves the following purposes: Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Possum Point Ash Dam #D?

Possum Point Ash Dam #D has a dam height of 140 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 Possum Point Ash Dam #D last inspected?

Possum Point Ash Dam #D was last inspected on April 20, 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.