Lake Spaulding No. 3 Auxiliary
California — Nevada County — South Yuba River
Location
| State | California |
| County | Nevada |
| River | South Yuba River |
| Coordinates | 39.33380, -120.64080 |
Physical Characteristics
| NID Height | 95 ft |
| Dam Height | 91 ft |
| Dam Length | 813 ft |
| NID Storage | 74,773 acre-ft |
| Max Storage | 74,773 acre-ft |
| Surface Area | 698 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | September 9, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1919 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Private |
| Owner | Pacific Gas and Electric Company |
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.