Dam Inventory System
Department of Land and Natural Resources
State of Hawaii
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OPAEULA 01 RESERVOIR
OA-0018
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DAM OVERVIEW DATA
Dam Height:
Top of Crest:
Spillway Crest:
Operating Level:
Maximum Storage: /
Electronic Gage Data
DAM SCHEMATIC
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Primary Spillway Maximum Discharge: Hazard Classification:
Emergency Action Plan: Date of Last Inspection:
Date of Last EAP: Electronic Gage URL:
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DAM INFO
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1. GENERAL INFORMATION
a. National Dam ID: HI00018
b. State Dam ID: OA-0018
c. Dam Name: OPAEULA 01 RESERVOIR
d. Other Name(s): OPAEULA RESERVOIR
e. Longitude/Latitude (dec): -158.027986 /21.570375
f. County/Island: Honolulu/Oahu
g. Type of Dam: Earthen
h. Purpose: Irrigation
i. Completed / Last Modified: 1910 / 2011
j. Nearest Town/City: HALEIWA 5 miles
k. Water Body Type: State Regulated Dam
l. Dam Height: 66.0 ft
m. Dam Length: 250.0 ft
n. Drainage Area: 0.23 sq. miles / 147.2 acres
o. Primary Spillway Type: Pipe
p. Maximum Storage: 320.0 acre-ft / 104.3 MG
2. OWNER INFORMATION
a. Name of Owner(s): Kamehameha Schools
b. TMK(s): (1) 6-2-011:001
3. HAZARD POTENTIAL CLASSIFICATION
a. Hazard Classification: High
b. Emergency Action Plan: Yes