Waste Discharge Requirements Program Contact Information

STATE WATER BOARD, DIVISION OF WATER QUALITY, WASTE DISCHARGE REQUIREMENTS PROGRAM

For customer service, please email the State Water Board, Waste Discharge Requirements Program email inbox: DWQ-WDR@waterboards.ca.gov

REGIONAL WATER QUALITY CONTROL BOARDS, WASTE DISCHARGE REQUIREMENTS PROGRAM

Find your local regional water board: State and Regional Water Boards Map Tool

For customer service, please reach out to your local regional water board at the contact information listed below. For email communication, please indicate the Waste Discharge Requirements Program in the subject line.

Regional Water Board Email Address
Region 1
North Coast Regional Water Board		 NorthCoast@Waterboards.ca.gov
(707) 576-2220
Region 2
San Francisco Bay Regional Water Board		 rb2-sfbay-contactus@waterboards.ca.gov
(510) 622-2300
Region 3
Central Coast Regional Water Board		 RB3-WDR@waterboards.ca.gov
(805) 549-3891
Region 4
Los Angeles Regional Water Board		 info4@waterboards.ca.gov
(213) 576-6600
Region 5
Central Valley Regional Water Board – Fresco		 info5@waterboards.ca.gov
(559) 445-5116
Region 5
Central Valley Regional Water Board – Rancho Cordova		 info5@waterboards.ca.gov
(916) 464-3291
Region 5
Central Valley Regional Water Board – Redding		 info5@waterboards.ca.gov
(530) 224-4845
Region 6
Lahontan Regional Water Board – South Lake Tahoe		 info6@waterboards.ca.gov
(530) 542-5400
Region 6
Lahontan Regional Water Board – Victorville		 info6@waterboards.ca.gov
(760) 241-6583
Region 7
Colorado River Regional Water Board		 info7@waterboards.ca.gov
(760) 346-7491
Region 8
Santa Ana Regional Water Board		 info8@waterboards.ca.gov
(951) 782-4130
Region 9
San Diego Regional Water Board		 rb9_questions@waterboards.ca.gov
(619) 516-1990

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