CAA Permitting in EPA's Pacific Southwest (Region 9)

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

• Update to Application Submittal Instructions
• Region 9 Focus Topics
• Permitting Authorities
• Contacts
• Permitting Oversight Contacts

Region 9 Focus Topics

• Air Permit Delegation and PSD SIP Approval Status
• Pending and Issued Permits by Region 9
  • Outer Continental Shelf (OCS) Permit Program in Region 9
  • Prevention of Significant Deterioration (PSD) Permit Program in Region 9
  • Title V Permit Program in Region 9
    • Title V Program Evaluations
  • Tribal New Source Review (NSR) Permit Program in Region 9
• Construction Approvals for Radionuclide Sources Issued in Region 9
• Electronic Permit Submittal System and Dashboards
• Environmental Justice and CAA Permits
• Federal Land Manager Notification of New Source Review Permit Applications
• Tesoro Refinery Integration and Compliance Project
  (Contact R9AirPermits@epa.gov with any inquiries)

State/Tribal/Local Permitting Authorities

Region 9 has approved or delegated authority for these states and other jurisdictions to issue certain CAA permits.

• Arizona
• California
• Hawaii and Pacific Islands
• Nevada

Contacts

Permits Office General Email (except radionuclides)

R9AirPermits@epa.gov

Air Permits Manager

Gerardo Rios (rios.gerardo@epa.gov)
(415) 972-3974

Radionuclides

Ryder Freed (freed.rachel@epa.gov)
(415) 972-3267

Air Permits Modeling

Permitting Oversight Contacts

1. Northern California includes Amador County, Bay Area, Butte County, Calaveras County, Colusa County, El Dorado County, Feather River, Glenn County, Lake County, Lassen County, Mariposa County, Mendocino County, Modoc County, Monterey Bay Unified, North Coast Unified, Northern Sierra, Northern Sonoma County, Placer County, Sacramento Metropolitan, San Joaquin Valley, Shasta County, Siskiyou County, Tehama County, Tuolumne County, and Yolo-Solano.
2. Southern California includes Antelope Valley, Eastern Kern County, Great Basin Unified, Imperial County, Mojave Desert, San Luis Obispo County, Santa Barbara County, South Coast, and Ventura County.