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Contact EPA’s Pacific Southwest (Region 9)

On this page:
  • Main Office
  • Other Office Locations
  • Contacts, Hotlines, Hours of Operation
  • Send Us a Comment or Question

Main Office

US EPA Pacific Southwest, Region 9
75 Hawthorne St.
San Francisco, CA 94105
Toll Free: (866)-EPA-WEST
Direct: (415) 947-8000

Other Pacific Southwest Offices

Additional Resources
  • About the Pacific Southwest Region
  • Pacific Southwest Media Center
  • Press and Media Contacts
  • Visiting EPA Pacific Southwest

Southern California Field Office

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

San Diego Border Office

880 Front St., Suite 3210
San Diego, CA 92101
(619) 235-4765

Pacific Islands Office

300 Ala Moana Blvd., Room 5-152
Honolulu, HI 96850
(808) 541-2710

Flagstaff Field Office

2255 N Gemini Rd.
Flagstaff, AZ 86001
(866)-EPA-WEST

Contacts, Hotlines, Hours of Operation

EPA Pacific Southwest (Region 9) Contacts, Hotlines, Hours of Operation
Topic Contact
Obtain a RCRA Identification Number
  • RCRA Contacts in EPA's Pacific Southwest (Region 9)
  • State and Regional EPA Contacts
Environmental Information Center (EIC)
Responds to public inquiries on environmental issues or concerns.
Monday-Friday (except federal holidays)
9:00 a.m. - 4:00 p.m. PT
Toll Free: (866)-EPA-WEST
Direct: (415) 947-8000
r9.info@epa.gov
Library
Monday-Friday (except federal holidays)
9:00 a.m. - 4:00 p.m. PT
Library Reference Desk
(415) 947-4406
library-reg9@epa.gov
Job Information Line (recorded message) (415) 947-8017
Public Affairs /Media Relations 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
Flagstaff Field Office (415) 654-2512
24-Hour Environmental Emergencies (800) 300-2193
Non-Emergency Environmental Complaints Report Environmental Violations
Office of Criminal Investigation
...to report environmental crimes or suspicious activities
(415) 947-8713
Asbestos Questions (415) 947-8704
Questions About Lead (415) 947-4164
Lead-Based Paint Tips and Complaints (415) 972-3986
Superfund/RCRA Community Relations (800) 231-3075

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About EPA

  • Our Mission and What We Do
  • Headquarters Offices
  • Regional Offices
  • Labs and Research Centers
  • EPA Organization Chart
  • EPA History
Contact EPA
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 20, 2025
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