Waikaia Reservoir
Key Takeaway
Waikaia Reservoir is classified as high hazard in Hawaii. It was completed in 1951 and is 75 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 | 26 ft (taller than 26.8% in HI) |
| Dam Length | 720 ft |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1951 (75 years old) |
| NID ID | HI00006 |
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
Robinson Family Partners
Private
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What is the hazard classification of Waikaia Reservoir?
Waikaia 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 Waikaia Reservoir?
Waikaia Reservoir is owned by Robinson Family Partners (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Waikaia Reservoir built?
Waikaia Reservoir was completed in 1951, making it 75 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 Waikaia Reservoir?
Waikaia 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 Waikaia Reservoir?
Waikaia Reservoir has a dam height of 26 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 Waikaia Reservoir last inspected?
Waikaia Reservoir was last inspected on November 3, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.