Kehalani Offsite Retention Basin

High HazardPoor ConditionEmergency Action Plan: Yes

Location

CountyMaui
Nearest CityWailuku
River/StreamWaikapu Stream
Coordinates20.85811, -156.49669

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Dam Length2,300 ft
Year Completed2003 (23 years old)

Storage & Hydraulics

NID Storage490 acre-ft
Max Storage490 acre-ft
Surface Area20 acres
Drainage Area1 sq mi
Max Discharge2,076 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerHeona Investments LLC, RCFC Kehalani, LLC
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection04/22/2025
Emergency Action PlanYes

Identifiers

NID IDHI00141
Federal IDHI00141
More InfoState Dam Safety Program

Nearby Dams

Wailuku Water Reservoir 6 0.3 mi High Maui Reservoir 74 0.9 mi High Wailuku Water Reservoir 10 1.2 mi High Maui Reservoir 73 1.3 mi High Maui Reservoir 92 2.3 mi High Happy Valley Flood Prevention 2.8 mi High Maui Reservoir 90 3.7 mi High Maui Reservoir 70 4.1 mi High Maui Reservoir 84 4.8 mi High Maui Reservoir 61 5.5 mi High