About EPA
EPA in Washington
- The Mercury and Air Toxics Standards in your state
- The Clean Air Act in your state
- Puget Sound
- Columbia River Basin
- Superfund sites in Washington
- Lower Yakima Valley Groundwater
- Sumas Mountain Asbestos
- Current Wastewater (NPDES) Permits
- Draft Wastewater (NPDES) Permits
- Climate Change in Coastal Sites – Pacific Northwest
- West Coast Collaborative to Reduce Diesel Emissions
- Washington State Implementation Plan (SIP) for Air Quality
-
Water Quality Assessment (303d list)
-
Water Quality Standards
- Clean Water State Revolving Funds
- Hazardous Waste Handlers in Washington
- Washington’s Performance Partnership Agreement with EPA
Tribal
Activities
News
Mapping
![map of Washington map of Washington](https://webarchive.library.unt.edu/web/20121016192352im_/http://www.epa.gov/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