Dam Inventory System
Department of Land and Natural Resources
State of Hawaii
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HORNER RESERVOIR
MA-0054
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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: HI00054
b. State Dam ID: MA-0054
c. Dam Name: HORNER RESERVOIR
d. Other Name(s):
e. Longitude/Latitude (dec): -156.648795 /20.925222
f. County/Island: Maui/Maui
g. Type of Dam: Earthen
h. Purpose: Irrigation
i. Completed / Last Modified: 1926 /
j. Nearest Town/City: PUUKOLII 2 miles
k. Water Body Type: State Regulated Dam
l. Dam Height: 70.0 ft
m. Dam Length: 1100.0 ft
n. Drainage Area: 0.06 sq. miles / 38.4 acres
o. Primary Spillway Type: Channel
p. Maximum Storage: 88.0 acre-ft / 28.7 MG
2. OWNER INFORMATION
a. Name of Owner(s): Kaanapali Land Management Corp.
b. TMK(s): (2) 4-4-004:001, (2) 4-4-004:013
3. HAZARD POTENTIAL CLASSIFICATION
a. Hazard Classification: High
b. Emergency Action Plan: Yes