Happy Valley Flood Prevention
Hawaii — Maui County
Location
| State | Hawaii |
| County | Maui |
| Coordinates | 20.89557, -156.51393 |
Physical Characteristics
| NID Height | 18 ft |
| Dam Height | 16 ft |
| Dam Length | 140 ft |
| NID Storage | 4 acre-ft |
| Max Storage | 4 acre-ft |
| Surface Area | 0 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Rated |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1980 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | — |
| Owner Type | — |
| Owner | MAUI COUNTY |
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.