Backflow/Cross-Connection Department

 

10575 Central Ave.
Montclair, CA 91763

10575 Central Ave.
P.O. Box 71
Montclair, CA 91763

(909) 624-0035 ext. 175

Contact the Backflow/Cross-Connection Department
Link: Backflow/Cross-Connection Page

Hours
Monday through Thursday
7:30 a.m. to 5:30 p.m.

Friday
8 a.m. to 5 p.m.

Closed on Saturday, Sunday, and Holidays