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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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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..

In 2019, Valley Water completed 63 borings ranging from 30 feet to 340 feet in depth at the site of the proposed expansion.

Pacheco alternative #1

Pacheco alternative #2

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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..