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About EPA

Contact EPA’s Pacific Southwest Office (Region 9)

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Report an environmental violation
Report possible violations of environmental laws and regulations.

Mailing Address

US EPA Pacific Southwest, Region 9
75 Hawthorne St.
San Francisco, CA 94105

Other Pacific Southwest Locations

Southern California Field Office

600 Wilshire Blvd., Suite 940
Los Angeles, CA 90017
(213) 244-1800

San Diego Border Office

610 West Ash St., Suite 905
San Diego, CA 92101
(619) 235-4765

Pacific Islands Office

300 Ala Moana Blvd., Room 5124
Honolulu, HI 96850
(808) 541-2710

Contacts, Hotlines, Hours of Operation

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EPA Pacific Southwest (Region 9) Contacts, Hotlines, Hours of Operation
Environmental Information Center (EIC)
For general EPA information and publications.
Monday-Friday (except federal holidays)
9:00 a.m. - 4:00 p.m. PT
Toll Free: (866)-EPA-WEST
(415) 947-8000
Region 9 EIC Email (
Monday-Thursday (except federal holidays)
9:00 a.m. - noon; 1:00 p.m. - 4:00 p.m. PT
Closed on Friday
(415) 947-4406
Library Reference Desk
Library Email (
Employee Locator Online Employee Directory
Job Information Line (recorded message) (415) 947-8017
Media Relations / Public Affairs Press Contacts
Freedom of Information Act (FOIA) Requests (415) 947-4251
Pacific Islands Contact Office (808) 541-2710
San Diego Border Office (619) 235-4765
Southern California Field Office (213) 244-1800
24-Hour Environmental Emergencies (800) 300-2193
Environmental Complaints Tip Line (415) 947-4510
Office of Criminal Investigation report environmental crimes or suspicious activities
(415) 947-8713
Asbestos Questions (415) 947-8704
Environmental Justice Information (800) 962-6215
Lead Questions (415) 947-4164
Lead-Based Paint Tips and Complaints (415) 972-3986
RCRA Notification/Identification Numbers  
Superfund/RCRA Community Relations (800) 231-3075

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