EPA in Washington
- Puget Sound
- Columbia River Basin
- Climate Change - what it means for Washington (pdf)
- Superfund sites in Washington
- Lower Yakima Valley Groundwater
- Sumas Mountain Asbestos
- Current Wastewater (NPDES) Permits
- Draft Wastewater (NPDES) Permits
- West Coast Collaborative to Reduce Diesel Emissions
- Washington State Implementation Plan (SIP) for Air Quality
- Water Quality Assessment (303d list) Exit
- Water Quality Standards Exit
- Clean Water State Revolving Funds
- Hazardous Waste Handlers in Washington
- Washington’s Performance Partnership Agreement with EPA
- Mercury and air toxics standards in Washington
- Washington Enforcement and Compliance History
Tribal
News
Mapping
Washington is part of EPA's Region 10
About Region 10
Contact Information
EPA Washington Operations Office
300 Desmond Dr. SE, Suite 102
Lacey, WA 98503
360-753-9437
EPA Hanford Project Office
309 Bradley Blvd., Suite 115
Richland, WA 99352