Puukapu Watershed Retarding Dam R-1
Hawaii — Hawaii County — LANIMAUMAU STREAM OFFSTREAM
Location
| State | Hawaii |
| County | Hawaii |
| River | LANIMAUMAU STREAM OFFSTREAM |
| Coordinates | 20.02333, -155.63537 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 4,340 ft |
| NID Storage | 1,450 acre-ft |
| Max Storage | 1,450 acre-ft |
| Surface Area | 185 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | May 31, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1965 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | State |
| Owner | Hawaii Dept of Hawaiian Home Lands, Hawaii Dept of Land & Natural Resources |
| Other Name | Puukapu Dam |
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.