Lake Del Valle
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| Lake Del Valle | |
|---|---|
| Location | Alameda County, California |
| Coordinates | |
| Lake type | reservoir |
| Basin countries | United States |
Lake Del Valle is located 5 miles (8 km) south-southeast of Livermore, California on Arroyo del Valle in Lake Del Valle Regional Park. Del Valle is a Spanish language last name meaning of the valley; arroyo means creek.
The Lake and Dam are part of the California State Water Project. It was created in 1968 as part of the South Bay Aqueduct part of the State Water Project. The lake serves in part as off-stream storage for the South Bay Aqueduct. The capacity of the lake is 77,000 acre feet (94,000,000 m³), however, the lake has a flood storage of 25,000 to 40,000 acre feet (31,000,000 to 49,000,000 m³). Thus normally stores 37,000 to 52,000 acre feet (46,000,000 to 64,000,000 m³).
The Hetch Hetchy Aqueduct passes below the lake, but does not connect to the lake.
