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