Maunaolu Reservoir
High HazardFair ConditionEmergency Action Plan: Yes
Location
| County | Honolulu |
| Nearest City | Makaha |
| River/Stream | Diversion - Glover Tunnel |
| Coordinates | 21.48619, -158.18995 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 800 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 23 acre-ft |
| Max Storage | 23 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 2 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Honolulu Board of Water Supply |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 06/06/2024 |
| Emergency Action Plan | Yes |