Per- and Polyfluoroalkyl Substances (PFAS)
Regional Water Board Contacts

Regional Board	Landfills	Airports	Chrome Platers	Military	POTW/WWTP	Refinery/Bulk Terminals
Region (1) North Coast	Terri Cia Terri.Cia@waterboards.ca.gov (707) 576-2688	Michael Sullivan Michael.sullivan@waterboards.ca.gov (707) 576-2377	Michael Sullivan Michael.sullivan@waterboards.ca.gov (707) 576-2377	Michael Sullivan Michael.sullivan@waterboards.ca.gov (707) 576-2377	Justin McSmith Justin.McSmith@waterboards.ca.gov (707) 576-2082	Michael Sullivan Michael.sullivan@waterboards.ca.gov (707) 576-2377
Region (2) San Francisco Bay	Keith Roberson Keith.Roberson@waterboards.ca.gov (510) 622-2404	Kimberlee West Kimberlee.west@waterboards.ca.gov (510) 622-2432	Kimberlee West Kimberlee.west@waterboards.ca.gov (510) 622-2432	Nathan King Nathan.King@waterboards.ca.gov (510) 622-3966	Bill Johnson Bill.Johnson@waterboards.ca.gov (510) 622-2354	Keith Roberson Keith.Roberson@waterboards.ca.gov (510) 622-2404
Region (3) Central Coast	Ryan Lodge Ryan.Lodge@waterboards.ca.gov (805) 549-3506	Greg Bishop Greg.Bishop@waterboards.ca.gov (805) 549-3132	Greg Bishop Greg.Bishop@waterboards.ca.gov (805) 549-3132	Sheila Soderberg Sheila.Soderberg@waterboards.ca.gov (805) 549-3592	WDR: Jennifer Epp Jennifer.Epp@waterboards.ca.gov (805) 594-6181 NPDES: Arwen Wyatt-Mair Arwen.WyattMair@waterboards.ca.gov (805) 542-4695	Greg Bishop Greg.Bishop@waterboards.ca.gov (805) 549-3132
Region (4) Los Angeles	Dr. Wen Yang Wen.Yang@waterboards.ca.gov, (213) 620-2253	Thizar Williams Thizar.Williams@waterboards.ca.gov (213) 576-6723	Dr. Arthur Heath Arthur.Heath@waterboards.ca.gov (213) 576-6725 Thizar Williams Thizar.Williams@waterboards.ca.gov (213) 576-6723	Jillian Ly Jillian.Ly@waterboards.ca.gov (213) 576-6664	Jeong-Hee Lim Jeong-Hee.Lim@waterboards.ca.gov (213) 576-6616	Thizar Williams Thizar.Williams@waterboards.ca.gov (213) 576-6723
Region (5) Central Valley	Robert Busby Robert.Busby@waterboards.ca.gov (916) 464-4666	Helen Yu Helen.Yu@waterboards.ca.gov (916) 464-4729	Helen Yu Helen.Yu@waterboards.ca.gov (916) 464-4729	John Murphy John.Murphy@Waterboards.ca.gov (916) 464-4636 Warren Gross Warren.Gross@waterboards.ca.gov (559) 445-5128	NPDES: Jon Rohrbough Jon.Rohrbough@waterboards.ca.gov (916) 464-4822 Redding: Bryan J. Smith Bryan.Smith@waterboards.ca.gov (530) 226-3425 Sacramento: Scott Armstrong Scott.Armstrong@waterboards.ca.gov (916) 464-4616 Maxine Cottrell Maxine.Cottrell@waterboards.ca.gov (916) 464-4623 Fresno: Alex Mushegan Alexander.Mushegan@waterboards.ca.gov (559) 488-4397 Jeff Pyle Jeffrey.Pyle@waterboards.ca.gov (559) 445-5145	Sacramento Office (5S): Helen Yu Helen.Yu@waterboards.ca.gov (916) 464-4729 Fresno Office (5F): Paul Dotson Paul.Dotson@waterboards.ca.gov (559) 445-5525 Redding Office (5R): Bryan J. Smith Bryan.Smith@waterboards.ca.gov (530) 226-3425
Region (6) Lahontan	Jan Zimmerman Jan.Zimmerman@waterboards.ca.gov (760) 241-7376 Christina Guerra Christina.Guerra@waterboards.ca.gov (760) 241-7333 Jeff Brooks Jeff.Brooks@waterboards.ca.gov (530) 542-5420	Jan Zimmerman Jan.Zimmerman@waterboards.ca.gov (760) 241-7376	Jan Zimmerman Jan.Zimmerman@waterboards.ca.gov (760) 241-7376	Jeff Brooks Jeff.Brooks@waterboards.ca.gov (530) 542-5420 Bill Muir William.Muir@waterboards.ca.gov (760) 241-3523	North Lahontan Basin Trevor Miller Trevor.Miller@waterboards.ca.gov (530) 542-5430 South Lahontan Basin Ghasem Pour-ghasemi Ghasem.Pour-ghasemi@waterboards.ca.gov (760) 241-2434	Jan Zimmerman Jan.Zimmerman@waterboards.ca.gov (760) 241-7376
Region (7) Colorado River Basin	Scot Stormo Scot.Stormo@Waterboards.ca.gov (760) 776-8964	Alex Valentine Alexander.Valentine@waterboards.ca.gov (760) 776-8934	Alex Valentine Alexander.Valentine@waterboards.ca.gov (760) 776-8934	Scot Stormo Scot.Stormo@Waterboards.ca.gov (760) 776-8964	NPDES: Kai Dunn Kai.Dunn@waterboards.ca.gov (760) 776-8986 WDR: Jose Cortez Jose.Cortez@waterboards.ca.gov (760) 776-8963	Cassandra Owens Cassandra.Owens@waterboards.ca.gov (760) 346-2612
Region (8) Santa Ana	Cindy Li Cindy.Li@waterboards.ca.gov (951) 782-4906	John Wayne Airport Pamela Ybarra Pamela.Ybarra@Waterboards.ca.gov (951) 782-4990 Ontario/San Bernardino Mehrnoosh Behrooz Mehrnoosh.Behrooz@waterboards.ca.gov (951) 782-3237	Maile Gee Maile.Gee@waterboards.ca.gov (951) 782-4379	Patricia Hannon Patricia.Hannon@waterboards.ca.gov (951) 782-4498	Julio Lara Julio.Lara@waterboards.ca.gov (951) 782-4901	Maile Gee Maile.Gee@waterboards.ca.gov (951) 782-4379
Region (9) San Diego	Amy Grove Amy.Grove@waterboards.ca.gov (619) 521-3920	Sarah Mearon Sarah.Mearon@waterboards.ca.gov (619) 521-3363	Sarah Mearon Sarah.Mearon@waterboards.ca.gov (619) 521-3363	Sean McClain Sean.Mcclain@waterboards.ca.gov (619) 521-3374	Joann Lim Joann.Lim@waterboards.ca.gov (619) 521-3362	Sarah Mearon Sarah.Mearon@Waterboards.ca.gov (619) 521-3363

Map of Regional Water Quality Control Boards

(Page last updated 09/13/2022)

Water is a precious resource in California, and maintaining its quality is of utmost importance to safeguard the health of the public and the environment.

Statewide Campaigns

COVID-19 information

Quick Links

Resources

Working with the Board

.