T. Nelson Elliott Dam
Key Takeaway
T. Nelson Elliott Dam is classified as high hazard in Virginia. Its primary use is water supply. 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 | 76 ft (taller than 97.5% in VA) |
| Dam Length | 1,250 ft |
| Dam Type | Gravity |
| Max Storage | 33.0K acre-ft |
| Normal Storage | 16.0K acre-ft |
| Surface Area | 790 acres |
| Drainage Area | 60 sq mi |
| NID ID | VA153002 |
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
City of Manassas
Local Government
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High Hazard 35 ftFrequently Asked Questions
What is the hazard classification of T. Nelson Elliott Dam?
T. Nelson Elliott 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 T. Nelson Elliott Dam?
T. Nelson Elliott Dam is owned by City of Manassas (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of T. Nelson Elliott Dam?
T. Nelson Elliott Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is T. Nelson Elliott Dam?
T. Nelson Elliott Dam has a dam height of 76 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 T. Nelson Elliott Dam last inspected?
T. Nelson Elliott Dam was last inspected on October 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.