| Bethany Reservoir | |
|---|---|
| Bethany Reservoir and aqueduct | |
| Location | Alameda County, California |
| Lake type | reservoir |
| Basin countries | United States |
| Surface area | 180 acres (73 ha) |
| Shore length1 | 6 miles (9.7 km) |
| 1 Shore length is not a well-defined measure. | |
The Bethany Reservoir is located 8 miles (13 km) northeast of Livermore, California, USA, on the California Aqueduct. It serves as the forebay for the South Bay Pumping Plant that feeds the South Bay Aqueduct.