The original Los Vaqueros Dam was completed in 1998. At that time, the reservoir had a capacity of 100,000 acre-feet. In 2012, the dam was raised 34 feet, and is now 226 feet high (from toe to crest). It can currently store up to 160,000 acre-feet of water in the first phase of expansion. It is the largest reservoir in the Bay Area.
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The primary objectives of the Los Vaqueros Expansion Project Phase 2 are:
Here are directions
Review available environmental documents.
Learn more about funding and our local agency partners.
2020 – 2022 Permitting, local agreements, and design
Summer 2022 Final California Water Commission funding agreement