Mill 5/6 West Tails Storage Facility
Key Takeaway
Mill 5/6 West Tails Storage Facility is classified as low hazard in Nevada. It was completed in 2011 and is 15 years old. Its primary use is tailings.
Physical Details
| Dam Height | 210 ft (taller than 98% in NV) |
| Dam Length | 1,435 ft |
| Dam Type | Earth |
| Max Storage | 35.7K acre-ft |
| Normal Storage | 11.1K acre-ft |
| Surface Area | 217 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 10 cfs |
| Year Completed | 2011 (15 years old) |
| NID ID | NV10659 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
NEVADA GOLD MINES LLC
Private
Nearby Dams
Mill 5/6 Center Tailings Storage Facility
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High Hazard 60 ftMill 5/6 East Tailings Storage Facility
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Significant Hazard 220 ftSouth Leach Non-Property Ponds #2 Dam
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Low Hazard 18 ftRotp Spill Holding Pond Dam
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Significant Hazard 20 ftNewmont South Area Solution Pond Dam
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Low Hazard 32 ftSouth Leach Property Ponds Dam
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Low Hazard 30 ftSouth Leach Property Stormwater Pond Dam
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Mill 5/6 West Tails Storage Facility?
Mill 5/6 West Tails Storage Facility is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mill 5/6 West Tails Storage Facility?
Mill 5/6 West Tails Storage Facility is owned by NEVADA GOLD MINES LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mill 5/6 West Tails Storage Facility built?
Mill 5/6 West Tails Storage Facility was completed in 2011, making it 15 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 Mill 5/6 West Tails Storage Facility?
Mill 5/6 West Tails Storage Facility 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 Mill 5/6 West Tails Storage Facility?
Mill 5/6 West Tails Storage Facility has a dam height of 210 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 Mill 5/6 West Tails Storage Facility last inspected?
Mill 5/6 West Tails Storage Facility was last inspected on June 6, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.