Western Nuclear Tailings Pond
Key Takeaway
Western Nuclear Tailings Pond is classified as significant hazard in Washington. It was completed in 1977 and is 49 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 1.0K acre-ft |
| Surface Area | 1,000 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,650 cfs |
| Year Completed | 1977 (49 years old) |
| Year Modified | 1996 |
| NID ID | WA00378 |
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
Spokane Tribe Natural Resources Dept
Tribal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Western Nuclear Tailings Pond?
Western Nuclear Tailings Pond 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 Western Nuclear Tailings Pond?
Western Nuclear Tailings Pond is owned by Spokane Tribe Natural Resources Dept (Tribal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Western Nuclear Tailings Pond built?
Western Nuclear Tailings Pond was completed in 1977, making it 49 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 Western Nuclear Tailings Pond?
Western Nuclear Tailings Pond 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 Western Nuclear Tailings Pond last inspected?
Western Nuclear Tailings Pond was last inspected on May 20, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.