Lake Accotink Dam
Key Takeaway
Lake Accotink 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 | 28 ft (taller than 60.8% in VA) |
| Dam Length | 1,065 ft |
| Dam Type | Earth |
| Max Storage | 3.0K acre-ft |
| Normal Storage | 679 acre-ft |
| Surface Area | 88 acres |
| Drainage Area | 31 sq mi |
| NID ID | VA059006 |
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
Fairfax County Park Authority
Local Government
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High Hazard 47 ftFrequently Asked Questions
What is the hazard classification of Lake Accotink Dam?
Lake Accotink 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 Accotink Dam?
Lake Accotink Dam is owned by Fairfax County Park Authority (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Lake Accotink Dam?
Lake Accotink 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 Accotink Dam?
Lake Accotink 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.
When was Lake Accotink Dam last inspected?
Lake Accotink Dam was last inspected on August 23, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.