Contra Costa Water District

 

  • Utilities
P.O. Box H2O
Concord, CA 94524
(925) 688-8041
(925) 688-8122 (fax)
  • About

    CCWD delivers treated drinking water to Clayton, Clyde, Concord, Pacheco, Port Costa, and parts of Antioch, Bay Point, Brentwood, Martinez, Pleasant Hill and Walnut Creek.