Alpine Main
California — Alpine County — Silver Creek
Location
| State | California |
| County | Alpine |
| River | Silver Creek |
| Coordinates | 38.47120, -120.00380 |
Physical Characteristics
| NID Height | 81 ft |
| Dam Height | 49 ft |
| Dam Length | 401 ft |
| NID Storage | 4,300 acre-ft |
| Max Storage | 4,300 acre-ft |
| Surface Area | 172 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | August 10, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1891 |
| Primary Purpose | Hydroelectric |
| Dam Type | Rockfill |
| Owner Type | Private |
| Owner | Northern California Power Agency |
| Other Name | Alpine No. 1 |
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.