A-A Tails Dam
Key Takeaway
A-A Tails Dam is classified as significant hazard in Nevada. It was completed in 1989 and is 37 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 220 ft (taller than 98.4% in NV) |
| Dam Length | 5,667 ft |
| Dam Type | Earth |
| Max Storage | 17.1K acre-ft |
| Normal Storage | 17.1K acre-ft |
| Surface Area | 190 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 5 cfs |
| Year Completed | 1989 (37 years old) |
| NID ID | NV10238 |
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
NEVADA GOLD MINES LLC
Private
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Significant Hazard 165 ftFrequently Asked Questions
What is the hazard classification of A-A Tails Dam?
A-A Tails 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 A-A Tails Dam?
A-A Tails Dam is owned by NEVADA GOLD MINES LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was A-A Tails Dam built?
A-A Tails Dam was completed in 1989, making it 37 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of A-A Tails Dam?
A-A Tails Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is A-A Tails Dam?
A-A Tails Dam has a dam height of 220 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 A-A Tails Dam last inspected?
A-A Tails Dam was last inspected on May 13, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.