Waikamoi Reservoirs
Key Takeaway
Waikamoi Reservoirs is classified as significant hazard in Hawaii. It was completed in 1980 and is 46 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 10.2% in HI) |
| Dam Length | 921 ft |
| Dam Type | Earth |
| Max Storage | 98 acre-ft |
| Normal Storage | 92 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1980 (46 years old) |
| NID ID | HI00152 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
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
Nearby Dams
Waikamoi Dam No. 2
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High Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Waikamoi Reservoirs?
Waikamoi Reservoirs is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Waikamoi Reservoirs?
Waikamoi 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 Waikamoi Reservoirs built?
Waikamoi Reservoirs was completed in 1980, making it 46 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 Waikamoi Reservoirs?
Waikamoi 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 Waikamoi Reservoirs?
Waikamoi Reservoirs 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 Waikamoi Reservoirs last inspected?
Waikamoi Reservoirs was last inspected on October 24, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.