Oakley
Key Takeaway
Oakley is classified as high hazard in Idaho. It was completed in 1916 and is 110 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 145 ft (taller than 96.4% in ID) |
| Dam Length | 1,070 ft |
| Normal Storage | 76.0K acre-ft |
| Surface Area | 1,350 acres |
| Drainage Area | 729 sq mi |
| Max Discharge | 1,240 cfs |
| Year Completed | 1916 (110 years old) |
| Year Modified | 1987 |
| NID ID | ID00233 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Private
Frequently Asked Questions
What is the hazard classification of Oakley?
Oakley is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Oakley?
Oakley is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Oakley built?
Oakley was completed in 1916, making it 110 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 Oakley?
Oakley 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 Oakley?
Oakley has a dam height of 145 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 Oakley last inspected?
Oakley was last inspected on October 25, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.