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
![map of Washington map of Washington](/sites/production/files/aboutepa/states/images/wa.jpg)
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