Waikamoi Dam No. 2

Low HazardPoor ConditionEmergency Action Plan: Yes

Location

CountyMaui
Nearest CityKAILUA
River/StreamWAIKAMOI STREAM
Coordinates20.80781, -156.23033

Physical Characteristics

Dam TypeConcrete
NID Height35 ft
Dam Height34 ft
Dam Length98 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage61 acre-ft
Max Storage61 acre-ft
Normal Storage32 acre-ft
Drainage Area2 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerMaui County, Dept of Water Supply
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection06/05/2025
Emergency Action PlanYes

Identifiers

NID IDHI00046
Federal IDHI00046
More InfoState Dam Safety Program

Nearby Dams

Waikamoi Reservoirs 0.2 mi Significant Kahakapao Reservoirs 2.3 mi High Olinda Reservoir 2.9 mi High Piiholo 50 Mg Reservoir 3.2 mi High Kaili Ili Reservoir 4.3 mi High Papaaea Reservoir 5.4 mi High Maui Field 290 Reservoir 5.6 mi High Puu Koa Reservoir 6.1 mi High Peahi Reservoir 8.2 mi High Maui Reservoir 20 8.4 mi High