The primary objectives of the Los Vaqueros Expansion Project Phase 2 are:
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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.
Review available environmental documents.
Learn more about funding and our local agency partners.
2020 – 2023 Permitting, local agreements, and design
Spring 2023 Final California Water Commission funding agreement
2023 – 2030 Construction