Twin Reservoirs

High HazardUnsatisfactory ConditionEmergency Action Plan: Yes

Location

CountyKauai
Nearest CityWAILUA
River/StreamTR-WAIKAEA CANAL OFFSTREAM
Coordinates22.08223, -159.34886

Physical Characteristics

Dam TypeEarth
NID Height49 ft
Dam Height49 ft
Dam Length1,810 ft
Year Completed1920 (106 years old)

Storage & Hydraulics

NID Storage520 acre-ft
Max Storage520 acre-ft
Normal Storage162 acre-ft
Surface Area16 acres
Drainage Area0 sq mi
Max Discharge1,800 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerCounty of Kauai - Department of Public Works, Green Aloha Real Estate, LLC, Kapaa 382, Kulana Home Owners Association, Leonard Kaui, Meghan Ornellas, Outbound LLC, Troy & Renee Johnston, Waipouli Manoa, LLC
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentUnsatisfactory
Last Inspection10/04/2024
Emergency Action PlanYes

Identifiers

NID IDHI00062
Federal IDHI00062
More InfoState Dam Safety Program

Nearby Dams

Lower Kapahi Reservoir 1.4 mi High Mimino Reservoir 2.4 mi High Halaula Reservoir 2.9 mi High Pond No. 1 At Kauai Ranch 3.1 mi High Wailua Reservoir 3.5 mi High Kaneha Reservoir 3.7 mi High Aahoaka Reservoir 4.5 mi High Aii Reservoir 4.8 mi High Okinawa Reservoir 5.3 mi High Kapaia Reservoir 5.4 mi High