Halaula Reservoir
Key Takeaway
Halaula Reservoir is classified as high hazard in Hawaii. 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 | 410 ft |
| Dam Type | Earth |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| NID ID | HI00146 |
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
Mahi'ai Awawa, LLC
Private
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High Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Halaula Reservoir?
Halaula 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 Halaula Reservoir?
Halaula Reservoir is owned by Mahi'ai Awawa, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Halaula Reservoir?
Halaula Reservoir serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Halaula Reservoir?
Halaula 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 Halaula Reservoir last inspected?
Halaula Reservoir was last inspected on October 13, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.