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Contact Us

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
Alphabetical - List of Santa Ana Region Staff

Fax:

(951) 781-6288

Email:

Please note: Email addresses are generally first name dot last name @waterboards.ca.gov.

Upload/Download Electronic Files:

In person:

Santa Ana Regional Water Quality Control Board
3737 Main Street, Suite 500
Riverside, CA 92501-3339
Hours - 8:00 am to 5:00 pm, Monday - Friday, Closed on Government Holidays
Map and Directions