Ioleau Reservoir
Key Takeaway
Ioleau Reservoir is classified as low hazard in Hawaii. It was completed in 1902 and is 124 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 48 ft (taller than 78.7% in HI) |
| Dam Length | 980 ft |
| Dam Type | Earth |
| Max Storage | 148 acre-ft |
| Normal Storage | 107 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1902 (124 years old) |
| NID ID | HI00102 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
BBCP Kauai Operating, LLC
Private
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High Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Ioleau Reservoir?
Ioleau Reservoir is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Ioleau Reservoir?
Ioleau Reservoir is owned by BBCP Kauai Operating, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ioleau Reservoir built?
Ioleau Reservoir was completed in 1902, making it 124 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 Ioleau Reservoir?
Ioleau 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 Ioleau Reservoir?
Ioleau Reservoir has a dam height of 48 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 Ioleau Reservoir last inspected?
Ioleau Reservoir was last inspected on November 1, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.