Prince William Parkway Regional Swm
Key Takeaway
Prince William Parkway Regional Swm is classified as high hazard in Virginia. Its primary use is flood risk reduction. 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 | 48 ft (taller than 92.4% in VA) |
| Dam Length | 470 ft |
| Dam Type | Earth |
| Max Storage | 316 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| NID ID | VA153022 |
Safety Information
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?
Ownership
Prince William County
Local Government
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What is the hazard classification of Prince William Parkway Regional Swm?
Prince William Parkway Regional Swm 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 Prince William Parkway Regional Swm?
Prince William Parkway Regional Swm is owned by Prince William County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Prince William Parkway Regional Swm?
Prince William Parkway Regional Swm serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Prince William Parkway Regional Swm?
Prince William Parkway Regional Swm has a dam height of 48 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 Prince William Parkway Regional Swm last inspected?
Prince William Parkway Regional Swm was last inspected on March 16, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.