Whittier Narrows Dam
California — Los Angeles County — SAN GABRIEL RIVER
Location
| State | California |
| County | Los Angeles |
| River | SAN GABRIEL RIVER |
| Coordinates | 34.02090, -118.05497 |
Physical Characteristics
| NID Height | 56 ft |
| Dam Height | 56 ft |
| Dam Length | 16,960 ft |
| NID Storage | 66,702 acre-ft |
| Max Storage | 66,702 acre-ft |
| Surface Area | 1 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | July 7, 2022 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1957 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Federal |
| Owner | USACE - Los Angeles District |
| Other Name | Whittier Narrows Reservoir |
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.