Contact CCWD

   Contra Costa Water District
District Center

1331 Concord Ave.
Concord, CA 94520

General Phone (925) 688-8000
(8 a.m. to 5 p.m M-F)

CCWD - Engineering
2411 Bisso Lane
Concord, CA 94520

Engineering Services (925) 688- 8014
(7:30 a.m. to 5 p.m. M-F)

Los Vaqueros Marina
9990 Los Vaqueros Road
Byron, CA 94514

(925) 371-2628

Customer Service (925) 688-8044
Water Quality Hotline (925) 688-8156
Public Affairs (925) 688-8109
Water Conservation (925) 688-8320 

If you have a water-related emergency, call (925) 688-8095 (weekdays between 7 a.m. & 3:30 p.m.)
 or (925) 688-8374 (all other times).

Contra Costa Water District
P.O. Box H20
Concord, CA 94524-2099

 (925) 688-8000

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