Lake Rillhurst Dam
Key Takeaway
Lake Rillhurst Dam is classified as significant hazard in Virginia. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 27 ft (taller than 56.5% in VA) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 787 acre-ft |
| Normal Storage | 252 acre-ft |
| Surface Area | 53 acres |
| Drainage Area | 3 sq mi |
| NID ID | VA047036 |
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
ALPHIN, WILLIAM M & MARY S T
Private
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High Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Lake Rillhurst Dam?
Lake Rillhurst Dam 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 Lake Rillhurst Dam?
Lake Rillhurst Dam is owned by ALPHIN, WILLIAM M & MARY S T (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Lake Rillhurst Dam?
Lake Rillhurst 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 Rillhurst Dam?
Lake Rillhurst Dam has a dam height of 27 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 Rillhurst Dam last inspected?
Lake Rillhurst Dam was last inspected on September 10, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.