Upper Anahola Reservoir, located in Anahola, Hawaii, is a vital water resource managed by the State and regulated by the Department of Land and Natural Resources (DLNR).
This reservoir, completed in 1920, serves primarily for irrigation purposes, with a storage capacity of 110 acre-feet and a surface area of 2.5 acres. It is situated along the Kamalomaloo Stream and has a low hazard potential, despite its poor condition assessment.
The dam at Upper Anahola Reservoir is an earth structure with a height of 27 feet and a hydraulic height of 24 feet, supported by a buttress core type. Although the dam's spillway is uncontrolled, it has a width of 21 feet. The reservoir's drainage area is 0.41 square miles, and it covers a distance of 0.9 miles. While the risk assessment for this reservoir is moderate, with a score of 3, there are currently no documented risk management measures in place.
With its historical significance and importance for irrigation in the region, Upper Anahola Reservoir stands as a critical water resource in Kauai, Hawaii. As climate change impacts continue to affect water availability and quality, maintaining and improving the infrastructure of this reservoir will be essential for ensuring sustainable water management practices in the future.
Wind
Humidity
Year Completed |
1920 |
Dam Length |
450 |
Dam Height |
27 |
River Or Stream |
KAMALOMALOO STREAM |
Primary Dam Type |
Earth |
Surface Area |
2.5 |
Hydraulic Height |
24 |
Drainage Area |
0.41 |
Nid Storage |
110 |
Structural Height |
30 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
30 |
| Location | Reservations | Toilets |
|---|---|---|
Kumu camp
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Anahola Beach Park - Kauai
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Anahola Beach Park Camping
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Lydgate Beach Park Camping
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Hanamaulu Beach Park - Kauai
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Anini Beach Camping
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