Dam Inventory System
Department of Land and Natural Resources
State of Hawaii
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OMAO RESERVOIR
KA-0113
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LATEST ACTIVITES FOR THIS DAM
DAM OVERVIEW DATA
Dam Height:
Top of Crest:
Spillway Crest:
Operating Level:
Maximum Storage: /
Electronic Gage Data
DAM SCHEMATIC
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Emergency Contacts

Key Elevations
Primary Spillway Maximum Discharge: Hazard Classification:
Emergency Action Plan: Date of Last Inspection:
Date of Last EAP: Electronic Gage URL:
EAP PDF: View File     
Emergency Notes
Battery Voltage/Water Level   https://uhslc.soest.hawaii.edu/reservoir/
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DAM INFO
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1. GENERAL INFORMATION
a. National Dam ID: HI00113
b. State Dam ID: KA-0113
c. Dam Name: OMAO RESERVOIR
d. Other Name(s):
e. Longitude/Latitude (dec): -159.483213 /21.921116
f. County/Island: Kauai/Kauai
g. Type of Dam: Earthen
h. Purpose: Irrigation
i. Completed / Last Modified: 1915 /
j. Nearest Town/City: KOLOA 1.3 miles
k. Water Body Type: State Regulated Dam
l. Dam Height: 40.0 ft
m. Dam Length: 454.0 ft
n. Drainage Area: 1.17 sq. miles / 748.8 acres
o. Primary Spillway Type: Channel
p. Maximum Storage: 194.0 acre-ft / 63.2 MG
2. OWNER INFORMATION
a. Name of Owner(s): A & B Properties, Inc., Alexander & Baldwin, Inc., Eric A. Knudsen Trust
b. TMK(s): (4) 2-7-002:002, (4) 2-7-006:011
3. HAZARD POTENTIAL CLASSIFICATION
a. Hazard Classification: High
b. Emergency Action Plan: Yes