Region 9 - West, Southwest & Pacific Territories

U.S. EPA, Region 9
75 Hawthorne Street
Mail Code: WST-8
San Francisco, CA 94105
Phone: 415-972-3369
Fax: 415-947-3530

Region 9 comprises the states of Arizona, California, Hawaii, and Nevada, and the Pacific territories of American Samoa, Guam, and the Commonwealth of Northern Mariana Islands. In Region 9, only Nevada and Hawai'i have "approved" state programs
Corrective Action Measures
For more information about Region 9 visit the Region 9 UST Web Page.