Big Canyon
California — Orange County — Tr Big Canyon Cr
Location
| State | California |
| County | Orange |
| River | Tr Big Canyon Cr |
| Coordinates | 33.61210, -117.85540 |
Physical Characteristics
| NID Height | 65 ft |
| Dam Height | 65 ft |
| Dam Length | 3,824 ft |
| NID Storage | 600 acre-ft |
| Max Storage | 600 acre-ft |
| Surface Area | 22 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | December 2, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1959 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | City of Newport Beach |
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.