Kemoo 5 Reservoir
Key Takeaway
Kemoo 5 Reservoir is classified as high hazard in Hawaii. It was completed in 1920 and is 106 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 | 21 ft (taller than 15.7% in HI) |
| Dam Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 63 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 167 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | HI00021 |
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
Dole Food Company Hawaii
Private
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What is the hazard classification of Kemoo 5 Reservoir?
Kemoo 5 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 Kemoo 5 Reservoir?
Kemoo 5 Reservoir is owned by Dole Food Company Hawaii (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Kemoo 5 Reservoir built?
Kemoo 5 Reservoir was completed in 1920, making it 106 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 Kemoo 5 Reservoir?
Kemoo 5 Reservoir 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 Kemoo 5 Reservoir?
Kemoo 5 Reservoir has a dam height of 21 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 Kemoo 5 Reservoir last inspected?
Kemoo 5 Reservoir was last inspected on September 9, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.