Whittier Reservoir No. 4
California — Los Angeles County — Tr San Gabriel Riv
Location
| State | California |
| County | Los Angeles |
| River | Tr San Gabriel Riv |
| Coordinates | 33.99750, -118.04510 |
Physical Characteristics
| NID Height | 55 ft |
| Dam Height | 55 ft |
| Dam Length | 190 ft |
| NID Storage | 32 acre-ft |
| Max Storage | 32 acre-ft |
| Surface Area | 1 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | No |
| Last Inspection | May 28, 2025 |
| Inspection Frequency | 0.5 |
Dam Information
| Year Completed | 1931 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | City of Whittier Water District |
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.