Twin Reservoirs

Kauai County, Hawaii (near WAILUA)

River/Stream: TR-WAIKAEA CANAL OFFSTREAM

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
49 ft
Dam Length
1,810 ft
Reservoir Storage
520 acre-ft
Year Completed
1920
Primary Purpose
Other
Owner Type
Local Government
Max Discharge
1,800 cfs

Condition Assessment

UnsatisfactoryLast inspected: 2024-10-04

Hazard Classification: High — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Unsatisfactory — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
HI00062
State
Hawaii (HI)
Coordinates
22.08223, -159.34886
Age
106 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.