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A view of the existing Pacheco Dam and Reservoir in south Santa Clara County.

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Pacheco Reservoir Expansion

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Pacheco alternative #1

Valley Water is evaluating five different dam alternatives for the proposed expansion of Pacheco Reservoir.

Pacheco alternative #1

Pacheco alternative #2

Pacheco alternative #3

Pacheco alternative #4

Pacheco alternative #5

Valley Water drilled boreholes as deep as 340 feet into the ground to gather information about the soil and rock characteristics at the site of the Pacheco Reservoir Expansion Project..