Maui Reservoir 21
Hawaii — Maui County — FED BY IRRIGATION GULCH
Location
| State | Hawaii |
| County | Maui |
| River | FED BY IRRIGATION GULCH |
| Coordinates | 20.88786, -156.34380 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 950 ft |
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Surface Area | 7 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | January 30, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1913 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | MP East B, LLC |
| Other Name | Hc&S Reservoir 21 |
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.