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EPA Region 10 (Pacific Northwest)

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

Sawtooth Mountains near Stanley, Idaho.
Sawtooth Mountains near Stanley, Idaho.

Key Issues

  • Bristol Bay
  • Coeur d'Alene Basin
  • Columbia River
  • Lower Duwamish River
  • Portland Harbor
  • Puget Sound
  • Tribal programs

Learn about other EPA priorities in our Region 10 states:

  • EPA in Alaska
  • EPA in Idaho
  • EPA in Oregon
  • EPA in Washington

Organization

  • Contact Region 10
  • Visit our offices
  • Organization chart
  • Jobs (USAJOBS)

Social Media

  • @EPARegion10 on X
  • @EPANorthwest on Facebook
  • EPA Northwest on Instagram

News Releases

  • Scravel Hill Water Co-op clean water infrastructure project in Linn County, Oregon wins EPA award for innovation, backed by OHA funding

  • City of Grand View, Idaho clean water infrastructure project wins EPA award for innovation, backed by Idaho DEQ funding

  • EPA announces over $6M in Brownfields Grants to cleanup communities across Oregon

  • EPA announces $4M in Brownfields Grants to cleanup communities across Alaska

  • EPA announces $3M in Brownfields Grants to cleanup communities across Idaho

View all news releases for Region 10

Public Notices

  • Water Quality Certification of Toppenish Creek Restoration

  • Water Quality Certification of Benewah Creek Restoration in Idaho

  • Water Quality Certification of Yakima River Floodplain Restoration

  • Proposed Settlement with KM2 Contractors, Inc. for Clean Water Act Violations in Washington

  • Administrative Complaint and Notice of Opportunity for Hearing against William Peterson (dba Birdhouse Garage) for Safe Drinking Water Act Violations in Alaska

View all public notices for Region 10

About EPA

  • Our Mission and What We Do
  • Headquarters Offices
  • Regional Offices
  • Labs and Research Centers
  • EPA Organization Chart
  • EPA History
Contact EPA
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on April 22, 2025
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