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  2. EPA in Hawaii

EPA in Hawaii: Topics and Resources

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

Additional Resources

  • About EPA in the Pacific Southwest
  • Laboratory Services
  • Library Services
  • Media Center
  • Public Notices, Meetings and Events
  • Report a Violation
  • Today's Air Quality
  • Hawai'i Department of Health
  • Hawai'i Department of Land & Natural Resources
  • Hawai'i Coastal Zone Management

Air

  • Approved Air Quality Implementation Plans
  • Clean Air Act Permitting in Hawai'i and Pacific Islands
  • West Coast Collaborative: Partnering to Reduce Diesel Emissions
    A public-private partnership committed to reducing diesel emissions and advancing clean technologies.

Land

  • Brownfields
  • Cleanup Sites
  • Maui Wildfires

Water

  • Cesspools in Hawai'i
  • Impaired Waters and TMDLs
  • Maui Wildfires
  • NPDES Permits in Hawai'i
  • Ocean Dumping
  • Red Hill Bulk Fuel Storage Facility
  • Underground Injection Control (UIC) Permits
  • Water Reuse and Recycling

EPA in Hawaii

  • Topics and Resources
Contact Us about EPA in Hawaii
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 28, 2025
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