About EPA

EPA Region 9 (Pacific Southwest)

desert scene

Serving Arizona, California, Hawaii, Nevada, Pacific Islands, 148 Tribal Nations

Key Issues

Pacific Southwest News & Events

All Pacific Southwest News & Events
... including upcoming meetings and public engagement opportunities


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Map of EPA Region 9ArizonaCaliforniaHawaiiNevada
      Arizona, California, Hawaii,
      Nevada, Pacific Islands
      & 148 Tribes