Mathews
California — Riverside County — Tr Cajalco Creek
Location
| State | California |
| County | Riverside |
| River | Tr Cajalco Creek |
| Coordinates | 33.84200, -117.46240 |
Physical Characteristics
| NID Height | 264 ft |
| Dam Height | 264 ft |
| Dam Length | 6,522 ft |
| NID Storage | 182,000 acre-ft |
| Max Storage | 182,000 acre-ft |
| Surface Area | 2,750 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | December 9, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1938 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Public Utility |
| Owner | Metropolitan Water District Of Southern California |
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.