About Los Vaqueros

The Los Vaqueros Watershed is reopening Saturday, September 26. See information about Recreation for more details.

The Los Vaqueros Watershed consists of 18,500 acres of protected watershed land surrounding the 1,900-acre Los Vaqueros Reservoir. The reservoir stores up to 160,000 acre-feet of water for Contra Costa Water District customers in central and eastern Contra Costa County. See our brochure Welcome to the Los Vaqueros Watershed (PDF) for details and a map of the area.

If you’re interested in reading and learning more about the watershed, check out our Los Vaqueros Publications page for more resources.

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The completed dam and reservoir following the expansion project