Koolau Reservoir
Hawaii — Honolulu County
Location
| State | Hawaii |
| County | Honolulu |
| Coordinates | 21.49200, -157.97000 |
Physical Characteristics
| NID Height | 70 ft |
| Dam Height | 70 ft |
| Dam Length | 270 ft |
| NID Storage | 138 acre-ft |
| Max Storage | 138 acre-ft |
| Surface Area | 5 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Unsatisfactory |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 4 |
Dam Information
| Year Completed | 1919 |
| Primary Purpose | Other |
| Dam Type | — |
| Owner Type | — |
| Owner | Schofield Barracks |
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.