Itafos Tailings Pond #4
Key Takeaway
Itafos Tailings Pond #4 is classified as significant hazard in Idaho. It was completed in 1985 and is 41 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 71 ft (taller than 87.4% in ID) |
| Dam Length | 16,000 ft |
| Normal Storage | 12.2K acre-ft |
| Surface Area | 260 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1985 (41 years old) |
| Year Modified | 2013 |
| NID ID | ID00471 |
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
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Itafos Tailings Pond #4?
Itafos Tailings Pond #4 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 Itafos Tailings Pond #4?
Itafos Tailings Pond #4 is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Itafos Tailings Pond #4 built?
Itafos Tailings Pond #4 was completed in 1985, making it 41 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 Itafos Tailings Pond #4?
Itafos Tailings Pond #4 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 Itafos Tailings Pond #4?
Itafos Tailings Pond #4 has a dam height of 71 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 Itafos Tailings Pond #4 last inspected?
Itafos Tailings Pond #4 was last inspected on November 4, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.