Piiholo 50 Mg Reservoir
Key Takeaway
Piiholo 50 Mg Reservoir is classified as high hazard in Hawaii. It was completed in 1971 and is 55 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 | 42 ft (taller than 68.5% in HI) |
| Dam Length | 1,700 ft |
| Dam Type | Earth |
| Max Storage | 166 acre-ft |
| Normal Storage | 162 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1971 (55 years old) |
| NID ID | HI00047 |
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 42 ftFrequently Asked Questions
What is the hazard classification of Piiholo 50 Mg Reservoir?
Piiholo 50 Mg 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 Piiholo 50 Mg Reservoir?
Piiholo 50 Mg Reservoir 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 Piiholo 50 Mg Reservoir built?
Piiholo 50 Mg Reservoir was completed in 1971, making it 55 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 Piiholo 50 Mg Reservoir?
Piiholo 50 Mg Reservoir 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 Piiholo 50 Mg Reservoir?
Piiholo 50 Mg Reservoir has a dam height of 42 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 Piiholo 50 Mg Reservoir last inspected?
Piiholo 50 Mg Reservoir was last inspected on December 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.