Lake Audubon Dam
Key Takeaway
Lake Audubon 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 | 46 ft (taller than 91.5% in VA) |
| Dam Length | 340 ft |
| Dam Type | Earth |
| Max Storage | 1.4K acre-ft |
| Normal Storage | 410 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 3 sq mi |
| NID ID | VA059021 |
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
Reston Association;Reston Association;Reston Association
Private
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High Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Lake Audubon Dam?
Lake Audubon 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 Audubon Dam?
Lake Audubon Dam is owned by Reston Association;Reston Association;Reston Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Lake Audubon Dam?
Lake Audubon Dam serves the following purposes: Recreation, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Audubon Dam?
Lake Audubon Dam has a dam height of 46 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 Audubon Dam last inspected?
Lake Audubon Dam was last inspected on February 9, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.