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San Diego Region - Contact Us

The San Diego Regional Water Quality Control Board is committed to serving the public. Our goal is to provide the best possible service. We invite your questions and comments. There are several ways to contact us so please choose the option that best suites your needs.

Questions, Comments, or Concerns:


Main number - (619) 516-1990
Phone Directory for San Diego Region Staff


(619) 516-1994

Hours of Operation:

Monday thru Friday (except holidays) between 8:00 a.m. - 5:00 p.m.


San Diego Regional Water Quality Control Board
2375 Northside Drive, Suite 100
San Diego, CA 92108-2700

Directions to our region office.