Waita Reservoir in Koloa, Hawaii, is a privately-owned water resource that serves primarily for irrigation purposes.
Wind
Humidity
This earth dam, completed in 1906, stands at a height of 23 feet and has a maximum storage capacity of 9,900 acre-feet. With a normal storage capacity of 3,400 acre-feet, the reservoir covers a surface area of 650 acres and drains an area of 3.36 square miles.
Despite being under state regulation and inspection, Waita Reservoir has a high hazard potential and is classified as having a fair condition assessment. The spillway, with a width of 65 feet, is uncontrolled, with a maximum discharge capability of 2,000 cubic feet per second. The last inspection in November 2018 deemed the reservoir to be in fair condition, with a moderate risk assessment rating of 3.
This captivating summary of Waita Reservoir highlights its historical significance, engineering details, and current risk assessment. As a crucial water resource in Koloa, Hawaii, this privately-owned reservoir serves as a vital source of irrigation for the region. With its high hazard potential, state regulation, and fair condition assessment, Waita Reservoir presents a unique blend of challenges and opportunities for water resource and climate enthusiasts to explore and analyze.
Year Completed |
1906 |
Dam Length |
3250 |
Dam Height |
23 |
River Or Stream |
WAIHOHONU STREAM OFFSTREAM |
Primary Dam Type |
Earth |
Surface Area |
650 |
Hydraulic Height |
27 |
Drainage Area |
3.36 |
Nid Storage |
9900 |
Structural Height |
28 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
28 |
Sf Wailua River Nr Lihue
|
173cfs |
Eb Of Nf Wailua River Nr Lihue
|
39cfs |
Left Branch Opaekaa Str Nr Kapaa
|
2cfs |
Waimea River Nr Waimea
|
295cfs |
Waialae Str At Alt 3
|
34cfs |
Wainiha River Nr Hanalei
|
178cfs |
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