Puu Pulehu Reservoir
Key Takeaway
Puu Pulehu Reservoir is classified as high hazard in Hawaii. It was completed in 1910 and is 116 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 | 20 ft (taller than 10.2% in HI) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 445 acre-ft |
| Normal Storage | 338 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 93 cfs |
| Year Completed | 1910 (116 years old) |
| Year Modified | 1991 |
| NID ID | HI00123 |
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
State of Hawaii, Dept of Agriculture
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Puu Pulehu Reservoir?
Puu Pulehu Reservoir 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 Puu Pulehu Reservoir?
Puu Pulehu Reservoir is owned by State of Hawaii, Dept of Agriculture (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Puu Pulehu Reservoir built?
Puu Pulehu Reservoir 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 Puu Pulehu Reservoir?
Puu Pulehu Reservoir 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 Puu Pulehu Reservoir?
Puu Pulehu Reservoir has a dam height of 20 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 Puu Pulehu Reservoir last inspected?
Puu Pulehu Reservoir was last inspected on June 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.