Peahi Reservoir
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| County | Maui |
| Nearest City | Ulumalu |
| River/Stream | UAOA STREAM |
| Coordinates | 20.91969, -156.27480 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 35 ft |
| Dam Length | 170 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | East Maui Irrigation Company, Mahi Pono Holdings, LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 05/17/2025 |
| Emergency Action Plan | Yes |