EPA in Oregon
- Columbia River Basin
- Climate Change - what it means for Oregon (pdf)
- Superfund sites in Oregon
- Perchlorate in Eastern Oregon
- Oregon State Implementation Plan (SIP) for Air Quality
- Water Quality Standards Exit
- Water Quality Assessment (303d list) Exit
- Clean Water State Revolving Funds
- Current Wastewater (NPDES) Permits
- Draft Wastewater (NPDES) Permits
- West Coast Collaborative to Reduce Diesel Emissions
- Hazardous Waste Handlers in Oregon
- Oregon’s Performance Partnership Agreement with EPA
- Mercury and air toxics standards in Oregon
- Enforcement and Compliance History
Tribal
News
Mapping

Oregon is part of EPA's Region 10
About Region 10
Contact Information
EPA Oregon Operations Office
805 SW Broadway
Suite 500
Portland, OR 97205
503-326-3250
EPA Western Ecology Division
Office of Research & Development
200 SW 35th Street
Corvallis, OR 97333
541-754-4600