Dam Inventory System
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WAIKOLOA RESERVOIR NO. 2
HA-0122
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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: HI00122
b. State Dam ID: HA-0122
c. Dam Name: WAIKOLOA RESERVOIR NO. 2
d. Other Name(s): WAIKOLOA 50 MG RESERVOIR 2
e. Longitude/Latitude (dec): -155.675203 /20.038917
f. County/Island: Hawaii/Hawaii
g. Type of Dam: Earthen
h. Purpose: Water Supply
i. Completed / Last Modified: 1975 /
j. Nearest Town/City: WAIMEA 1 mile
k. Water Body Type: State Regulated Dam
l. Dam Height: 30.5 ft
m. Dam Length: 2000.0 ft
n. Drainage Area: 0.0114 sq. miles / 7.296 acres
o. Primary Spillway Type: Tunnel
p. Maximum Storage: 190.0 acre-ft / 61.9 MG
2. OWNER INFORMATION
a. Name of Owner(s): Hawaii County, Department Of Water Supply
b. TMK(s): (3) 6-5-001:011
3. HAZARD POTENTIAL CLASSIFICATION
a. Hazard Classification: High
b. Emergency Action Plan: Yes