When was the dam originally built, and when was it expanded?

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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1. What are the project objectives and potential benefits?
2. Where is the Los Vaqueros Watershed located?
3. When was the dam originally built, and when was it expanded?
4. Who owns Los Vaqueros?
5. What environmental documentation is currently available online?
6. Who are the potential local partners?
7. What are the near-term milestones?