The Santa Ana Regional Board is committed to serving the public. Our goal is to provide the best service possible.
We invite your questions and comments. There are several ways to contact us. Please choose the option that suits you best.
Comments/Questions/Complaints:
U.S. Mail:
Santa Ana Regional Water Quality Control Board 3737 Main Street, Suite 500 Riverside, CA 92501-3348
Telephone:
Main number - (951) 782-4130
Fax:
(951) 781-6288
Email:
Upload/Download Electronic Files:
In person:
Santa Ana Regional Water Quality Control Board 3737 Main Street, Suite 500 Riverside, CA 92501 Hours - 8:00 am to 5:00 pm, Monday - Friday, Closed on Government Holidays Map and Directions
(Page last updated 2/6/24)
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