Opaeula 01 Reservoir

High HazardFair ConditionEmergency Action Plan: Yes

Location

CountyHonolulu
Nearest CityHALEIWA
River/StreamTR-ANAHULU RIVER
Coordinates21.57037, -158.02799

Physical Characteristics

Dam TypeEarth
NID Height71 ft
Dam Height66 ft
Dam Length250 ft
Year Completed1910 (116 years old)

Storage & Hydraulics

NID Storage320 acre-ft
Max Storage320 acre-ft
Normal Storage186 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerKamehameha Schools
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection10/17/2024
Emergency Action PlanYes

Identifiers

NID IDHI00018
Federal IDHI00018
More InfoState Dam Safety Program

Nearby Dams

Helemano 6 Reservoir 2.7 mi High Upper Helemano Reservoir 3.0 mi High Kemoo 5 Reservoir 5.0 mi High Wahiawa Dam 5.2 mi High Ku Tree Reservoir 5.8 mi High Koolau Reservoir 6.6 mi Low Oahu Reservoir 155 11.6 mi High Maunaolu Reservoir 11.9 mi High