Pioneer
Key Takeaway
Pioneer is classified as significant hazard in Idaho. It was completed in 1910 and is 116 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 10.5% in ID) |
| Dam Length | 2,520 ft |
| Normal Storage | 844 acre-ft |
| Surface Area | 220 acres |
| Drainage Area | 162 sq mi |
| Max Discharge | 3,080 cfs |
| Year Completed | 1910 (116 years old) |
| NID ID | ID00038 |
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
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Pioneer?
Pioneer 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 Pioneer?
Pioneer is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pioneer built?
Pioneer was completed in 1910, making it 116 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 Pioneer?
Pioneer serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Pioneer?
Pioneer has a dam height of 15 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 Pioneer last inspected?
Pioneer was last inspected on April 13, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.