Puu Opae Reservoir
Key Takeaway
Puu Opae Reservoir is classified as low hazard in Hawaii. It was completed in 1930 and is 96 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 41 ft (taller than 66.9% in HI) |
| Dam Length | 1,625 ft |
| Dam Type | Earth |
| Max Storage | 295 acre-ft |
| Normal Storage | 193 acre-ft |
| Surface Area | 11 acres |
| Year Completed | 1930 (96 years old) |
| NID ID | HI00003 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Hawaii Dept of Hawaiian Home Lands
State Government
Nearby Dams
Mana Reservoir
Kauai, HI
High Hazard 17 ftPuu Lua Reservoir
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High Hazard 105 ftWaikaia Reservoir
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High Hazard 26 ftKepani Reservoir
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High Hazard 32 ftKaawanui Reservoir
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High Hazard 26 ftWaikoloi Reservoir
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High Hazard 64 ftKapa Reservoir
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High Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Puu Opae Reservoir?
Puu Opae Reservoir is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Puu Opae Reservoir?
Puu Opae Reservoir is owned by Hawaii Dept of Hawaiian Home Lands (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Puu Opae Reservoir built?
Puu Opae Reservoir was completed in 1930, making it 96 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 Opae Reservoir?
Puu Opae 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 Opae Reservoir?
Puu Opae Reservoir has a dam height of 41 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 Opae Reservoir last inspected?
Puu Opae Reservoir was last inspected on November 16, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.