Nuuanu Dam No. 4
— Honolulu County — NUUANU STREAM
Location
| State | |
| County | Honolulu |
| River | NUUANU STREAM |
| Coordinates | 21.35263, -157.80781 |
Physical Characteristics
| NID Height | 73 ft |
| Dam Height | 66 ft |
| Dam Length | 2,120 ft |
| NID Storage | 3,600 acre-ft |
| Max Storage | 3,600 acre-ft |
| Surface Area | 25 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | April 4, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1910 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Honolulu Board of Water Supply |
| Other Name | Nuuanu Reservoir |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.