Kahakapao Reservoirs
Key Takeaway
Kahakapao Reservoirs is classified as high hazard in Hawaii. It was completed in 1990 and is 36 years old. Its primary use is water supply. 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 | 54 ft (taller than 86.6% in HI) |
| Dam Length | 2,000 ft |
| Dam Type | Earth |
| Max Storage | 309 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1990 (36 years old) |
| NID ID | HI00138 |
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
Maui County, Dept of Water Supply
Local Government
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High Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Kahakapao Reservoirs?
Kahakapao Reservoirs 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 Kahakapao Reservoirs?
Kahakapao Reservoirs is owned by Maui County, Dept of Water Supply (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Kahakapao Reservoirs built?
Kahakapao Reservoirs was completed in 1990, making it 36 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 Kahakapao Reservoirs?
Kahakapao Reservoirs serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Kahakapao Reservoirs?
Kahakapao Reservoirs has a dam height of 54 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 Kahakapao Reservoirs last inspected?
Kahakapao Reservoirs was last inspected on December 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.