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EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.

Tribal Section Managers

Sarah Sullivant
Manager, Tribal Section 1
sullivant.sarah@epa.gov
(415) 947-4226

Michael Cloyd
Manager, Tribal Section 2
cloyd.michael@epa.gov
(415) 972-3855

Mailing Address
U.S. EPA Region 9 – Pacific Southwest
Environmental Justice, Community Engagement, and Environmental Review Division
75 Hawthorne Street
San Francisco, CA 94105

Use the form below to send us general comments or questions about Tribal programs in EPA's Pacific Southwest (Region 9).

Additional Regional Contacts

RTOC Officers
Tribal Air Project Officers
Tribal Clean Water Section Project Officer and Tribal Liaison Assignments
EPA Region 9 Tribal Section Project Officer List (pdf) (152.03 KB, December 27, 2024)
This list provides contact information for EPA Pacific Southwest (Region 9) Tribal Section Project Officers for Arizona, California, Nevada, and Consortia Tribes.

Contact Us

Tribal Section Managers

Additional Regional Contacts

Tribal Programs in the Pacific Southwest