Maui Reservoir 15
Key Takeaway
Maui Reservoir 15 is classified as high hazard in Hawaii. It was completed in 1917 and is 109 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 | 39 ft (taller than 63% in HI) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 26 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1917 (109 years old) |
| NID ID | HI00069 |
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
MP East B, LLC, a Delaware limited liability company
Private
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What is the hazard classification of Maui Reservoir 15?
Maui Reservoir 15 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 Maui Reservoir 15?
Maui Reservoir 15 is owned by MP East B, LLC, a Delaware limited liability company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Maui Reservoir 15 built?
Maui Reservoir 15 was completed in 1917, making it 109 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 Maui Reservoir 15?
Maui Reservoir 15 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 Maui Reservoir 15?
Maui Reservoir 15 has a dam height of 39 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 Maui Reservoir 15 last inspected?
Maui Reservoir 15 was last inspected on December 7, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.