Pend Oreille Mine Nw Tailings Dam
Key Takeaway
Pend Oreille Mine Nw Tailings Dam is classified as significant hazard in Washington. It was completed in 2003 and is 23 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 2.9K acre-ft |
| Normal Storage | 2.7K acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 2003 (23 years old) |
| Year Modified | 2003 |
| NID ID | WA00640 |
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
Teck Washington Incorporated
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Pend Oreille Mine Nw Tailings Dam?
Pend Oreille Mine Nw Tailings 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 Pend Oreille Mine Nw Tailings Dam?
Pend Oreille Mine Nw Tailings Dam is owned by Teck Washington Incorporated (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pend Oreille Mine Nw Tailings Dam built?
Pend Oreille Mine Nw Tailings Dam was completed in 2003, making it 23 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 Pend Oreille Mine Nw Tailings Dam?
Pend Oreille Mine Nw Tailings Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Pend Oreille Mine Nw Tailings Dam last inspected?
Pend Oreille Mine Nw Tailings Dam was last inspected on September 19, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.