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Pacheco Reservoir Project

Sector: Water Supply and Storage • Location: Santa Clara County, California, United States

Source: The Mercury News

Project
Cancelled

The Santa Clara Valley Water District proposed building a new reservoir in the remote hills of southern Santa Clara County, between Henry W. Coe State Park and Pacheco Pass. The project involved constructing the largest new Bay Area reservoir since 1998, with an estimated cost of $3.2 billion. The site currently has a small dam built in the 1930s. The project was halted after spending $100 million

Status
Closed
Sector
Water Supply and Storage, Hydro, Commercial, Government
Location
Santa Clara County, California, United States of America
Updated
22 Jul 2026
Source
The Mercury News

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Project Information

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The project “Pacheco Reservoir Project” is an infrastructure initiative in the Water Supply and Storage sector, located in Santa Clara County, California, United States. Taiyo aggregates data on it from The Mercury News.

Participants

Sponsoring Agency

Status

Original status

cancelled

Taiyo status

Closed

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Santa Clara Valley Water District proposed building a new reservoir in the remote hills of southern Santa Clara County, between Henry W. Coe State Park and Pacheco Pass. The project involved constructing the largest new Bay Area reservoir since 1998, with an estimated cost of $3.2 billion. The site currently has a small dam built in the 1930s. The project was halted after spending $100 million due to cost overruns and delays.

Original sector

Water

Budget

Location

Country

United States of America (USA)

State

California

City

Santa Clara County

Source

Source

The Mercury News

URL

More Details

Record type

Project

Sector

Water Supply and Storage, Hydro, Commercial, Government

Article published date

2025-09-16

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