Horsethief
Key Takeaway
Horsethief is classified as significant hazard in Idaho. It was completed in 1967 and is 59 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 53 ft (taller than 80.5% in ID) |
| Dam Length | 220 ft |
| Normal Storage | 4.9K acre-ft |
| Surface Area | 185 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 310 cfs |
| Year Completed | 1967 (59 years old) |
| Year Modified | 2002 |
| NID ID | ID00128 |
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
State Government
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Horsethief?
Horsethief 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 Horsethief?
Horsethief is owned by information not available (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Horsethief built?
Horsethief was completed in 1967, making it 59 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 Horsethief?
Horsethief serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Horsethief?
Horsethief has a dam height of 53 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 Horsethief last inspected?
Horsethief was last inspected on June 20, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.