Oahu Reservoir 155
Hawaii — Honolulu County
Location
| State | Hawaii |
| County | Honolulu |
| Coordinates | 21.40462, -158.05933 |
Physical Characteristics
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 900 ft |
| NID Storage | 37 acre-ft |
| Max Storage | 37 acre-ft |
| Surface Area | 3 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | March 15, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1916 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | State |
| Owner | Agribusiness Development Corporation (ADC), Bayer U.S. - Crop Science, Monsanto Company, Monsanto Company |
| Other Name | Reservoir #155 |
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.