Does the Contra Costa Water District fluoridate its drinking water?
Yes, the State of California requires all water agencies that serve more than 10,000 homes and businesses to fluoridate their water. The Contra Costa Water District (CCWD) fluoridates drinking water at its two treatment plants. The Randall-Bold Water Treatment Plant located in Oakley serves Diablo Water District (Oakley) and parts of Antioch and Brentwood. The Bollman Water Treatment Plant located in Concord serves Clayton, Clyde, Concord, Pacheco, Port Costa, and parts of Martinez, Pleasant Hill and Walnut Creek.