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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
  • 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.

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  • Columbia River (@EPAcolumbia)

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News Releases

  • City of Lynnwood pays $550,259 penalty for federal Clean Air Act violations

  • EPA develops 6PPD-q water testing method for widespread use

  • EPA penalizes private landowner for violating the Clean Water Act by discharging fill into the South Fork of the Coeur d’Alene River

  • Biden-Harris Administration announces nearly $11M in grants for wildfire smoke preparedness in community buildings

  • Hood Canal property owners penalized $250,000 for illegal bulkhead replacement resulting in Chinook salmon deaths

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Last updated on February 8, 2024
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