Hanakaoo Reservoir, located in Puukolii, Maui, Hawaii, is a privately owned water storage facility designed primarily for irrigation purposes.
Wind
Humidity
Built in 1918, this Earth-type dam stands at a height of 27 feet, with a hydraulic height of 30 feet, serving the Honokowai Stream offstream. With a storage capacity of 30 acre-feet and a surface area of 2.4 acres, Hanakaoo Reservoir plays a crucial role in supporting agriculture in the region.
Managed by the Hawaii Department of Land and Natural Resources, Hanakaoo Reservoir is regulated, permitted, inspected, and enforced by the state, ensuring its safety and compliance with regulations. Despite being classified as having a high hazard potential, the reservoir's condition is assessed as fair, with moderate risk associated with its operation. The dam's spillway is uncontrolled, with a width of 2 feet, allowing for a maximum discharge of 7 cubic feet per second.
Overall, Hanakaoo Reservoir stands as a vital water resource infrastructure in Maui, contributing to the sustainable irrigation of agricultural land in the region. With its historical significance dating back over a century, this reservoir continues to play a crucial role in water management and climate resilience efforts in Hawaii.
Year Completed |
1918 |
Dam Length |
740 |
Dam Height |
27 |
River Or Stream |
HONOKOWAI STREAM OFFSTREAM |
Primary Dam Type |
Earth |
Surface Area |
2.4 |
Hydraulic Height |
30 |
Drainage Area |
0.01 |
Nid Storage |
30 |
Structural Height |
30 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
30 |
| Location | Reservations | Toilets |
|---|---|---|
Camp Olowalu - Maui
|
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Camp Olowalu
|
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papalau camping
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