Waimanalo 60 Mg Reservoir
Key Takeaway
Waimanalo 60 Mg Reservoir is classified as high hazard in Hawaii. It was completed in 1993 and is 33 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 | 65 ft (taller than 91.3% in HI) |
| Dam Length | 2,118 ft |
| Dam Type | Earth |
| Max Storage | 182 acre-ft |
| Normal Storage | 182 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 200 cfs |
| Year Completed | 1993 (33 years old) |
| NID ID | HI00129 |
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
State of Hawaii, Dept of Agriculture
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Waimanalo 60 Mg Reservoir?
Waimanalo 60 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 Waimanalo 60 Mg Reservoir?
Waimanalo 60 Mg Reservoir is owned by State of Hawaii, Dept of Agriculture (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Waimanalo 60 Mg Reservoir built?
Waimanalo 60 Mg Reservoir was completed in 1993, making it 33 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 Waimanalo 60 Mg Reservoir?
Waimanalo 60 Mg 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 Waimanalo 60 Mg Reservoir?
Waimanalo 60 Mg Reservoir has a dam height of 65 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 Waimanalo 60 Mg Reservoir last inspected?
Waimanalo 60 Mg Reservoir was last inspected on December 9, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.