South Anna Dam #7
Key Takeaway
South Anna Dam #7 is classified as significant hazard in Virginia. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 34 ft (taller than 78.3% in VA) |
| Dam Length | 410 ft |
| Dam Type | Earth |
| Max Storage | 715 acre-ft |
| Normal Storage | 209 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 3 sq mi |
| NID ID | VA109005 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Thomas Jefferson Soil and Water Conservation District
Local Government
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Unknown 23 ftFrequently Asked Questions
What is the hazard classification of South Anna Dam #7?
South Anna Dam #7 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates South Anna Dam #7?
South Anna Dam #7 is owned by Thomas Jefferson Soil and Water Conservation District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of South Anna Dam #7?
South Anna Dam #7 serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is South Anna Dam #7?
South Anna Dam #7 has a dam height of 34 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 South Anna Dam #7 last inspected?
South Anna Dam #7 was last inspected on April 28, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.