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Contact Us

EPA Region 10 (Pacific Northwest)

Serving Alaska, Idaho, Oregon, Washington, and 271 Tribal Nations

Sawtooth Mountains near Stanley, Idaho.
Coronavirus (COVID-19) Information
  • Read COVID-19 health and safety guidance for EPA employees and visitors to EPA facilities.
  • Visit EPA’s Coronavirus (COVID-19) website for information and resources.
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Key Issues

  • Bristol Bay
  • Columbia River
  • Puget Sound
  • Tribal Programs
  • Coeur d'Alene Basin/Bunker Hill
  • Duwamish River
  • Portland Harbor

Learn more about our work in Alaska, Idaho, Oregon, and Washington.


News Releases

  • EPA Regional Administrator to tout brownfields investments in Portland low-income housing

  • EPA Announces $79 Million Investment from President Biden’s Bipartisan Infrastructure Law to Protect and Restore the Columbia River Basin

  • EPA Kicks Off Tour of Iconic Waters, Celebrating the 50th Anniversary of the Clean Water Act 

  • Western Timber Products pays $222,400 EPA penalty for Clean Water Act violations

  • Washington Teachers Receive 2022 Presidential Award for Environmental Educators

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Public Comment Opportunities

  • Water Quality Certification for Cowlitz Tribal Gaming Authority Ilani Hotel Stormwater Pond Expansion Project

  • Proposed Wastewater Permit for Lummi Kwina Road MBR Wastewater Treatment Plant in Washington

  • PCB Permit Renewal for US Ecology Idaho

  • Proposed Stormwater Permit for Washington Department of Transportation MS4

  • Proposed Stormwater Permit for Pierce County MS4

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Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 12, 2022
United States Environmental Protection Agency

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