Aii Reservoir in Kapaia, Hawaii is a privately owned water storage facility primarily used for irrigation purposes.
Completed in 1920, this Earth-type dam stands at 21 feet high and has a storage capacity of 68 acre-feet. Situated along the TR-HANAMAULU STREAM OFFSTREAM, the reservoir covers a surface area of 5.2 acres and serves as a vital water resource in the region.
Managed by the DLNR and regulated by the state of Hawaii, Aii Reservoir is inspected regularly for safety and maintenance. With a high hazard potential and fair condition assessment, the reservoir poses a moderate risk and is subject to emergency preparedness protocols. The spillway, with a width of 40 feet, is uncontrolled, adding to the reservoir's unique design and operational features.
Climate and water resource enthusiasts will find Aii Reservoir an intriguing structure, showcasing the intersection of human engineering with natural water systems. From its historical significance to its current role in irrigation, this reservoir in Kauai, Hawaii exemplifies the importance of sustainable water management practices in the face of climate change challenges.
Wind
Humidity
Year Completed |
1920 |
Dam Length |
350 |
Dam Height |
21 |
River Or Stream |
TR-HANAMAULU STREAM OFFSTREAM |
Primary Dam Type |
Earth |
Surface Area |
5.2 |
Hydraulic Height |
20 |
Drainage Area |
0.21 |
Nid Storage |
68 |
Structural Height |
26 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
26 |
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