EPA in Oregon
Key Topics
- Superfund sites in Oregon:
- Columbia River
- Environmental Justice and Air Toxics in Oregon
- Wastewater (NPDES) permits in Oregon
- Water Quality Standards Regulations for Oregon
- Impaired waters and TMDLs in Region 10
Tribal
News Releases

Oregon is part of EPA's Region 10 which serves Alaska, Idaho, Oregon, and Washington. Learn more about Region 10.