Research & Data

Use this portal to filter and search for all of our scientific information.

Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.

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TransAlta Best Available Retrofit Technology (BART) order, 6/18/10

This is the TransAlta Best Available Retrofit Technology (BART) order, 6/18/10.

https://ecology.wa.gov/tasignedbartorder

May 25, 2010 TransAlta agreement

This is the May 25, 2010 agreement between Ecology and TransAlta for the TransAlta power plant.

https://ecology.wa.gov/transaltasignedagreement

Franklin County Agricultural Burn Zone Map

Map for agricultural burn zones in Franklin County

https://ecology.wa.gov/franklin-ag-burn-zone-map

Grant County Agricultural Burn Zone Map

Map for agricultural burn zones in Grant County

https://ecology.wa.gov/grant-ag-burn-zone-map

Walla Walla County Agricultural Burn Zone Map

Map for agricultural burn zones in Walla Walla County

https://ecology.wa.gov/walla-walla-ag-burn-zone-map

Whitman County Agricultural Burn Zone Map

Map for agricultural burn zones in Whitman County

https://ecology.wa.gov/whitman-ag-burn-zone-map

Air quality general order for asphalt plants

This is the air quality general order for asphalt plants.

https://ecology.wa.gov/20110418goasphaltplants

Technical support document for the air quality general order for asphalt plants

This is the technical support document for the air quality general order for asphalt plants.

https://ecology.wa.gov/20110418asphaltplantstsd

Washington Department of Information Services Data Center - Technical Support Document for Health Impact Assessment

Technical Support Document for Health Impact Assessment (Second Tier Review) for Washington Department of Information Services Data Center, 9/16/10

https://ecology.wa.gov/finaldistier2-09-16-2010

Blackrock-Sabey Data Centers - Technical Support Document for Health Impact Assessment

Technical Support Document for Health Impact Assessment (Second Tier Review) for Blackrock and Sabey Data Centers, 10/5/10

https://ecology.wa.gov/tier2-tsd-blackrock-sabey-cl100510

Dell Data Center - Health Impact Assessment letter

Health Impact Assessment (Second Tier Review) Letter for Dell Data Center, 6/10/11

https://ecology.wa.gov/delltier2-approvalletter

Dell Data Center - Technical Support Document for Health Impact Assessment

Technical Support Document for the Health Impact Assessment (Second Tier Review) for Dell Data Center, 6/10/11

https://ecology.wa.gov/delltier2-tsd

Dell Data Center - Technical Support Document for Notice of Construction permit

Technical Support Document for Notice of Construction permit for Dell Data Center, 6/9/11

https://ecology.wa.gov/dellquincy-noc-tsd-final

Quincy Air Quality Maps

Maps of Quincy air quality before and after Microsoft Columbia Data Center permit (from 12/13/10 community forum), 12/10

https://ecology.wa.gov/maps-of-quincy-air-quality

Microsoft Columbia Data Center - Notice of Construction permit

Notice of Construction permit for Microsoft Columbia Data Center, 10/26/10

https://ecology.wa.gov/msn-order10aq-e374

Microsoft Columbia Data Center - Technical Support Document for Health Impact Assessment

Technical Support Document for the Health Impact Assessment (Third Tier Review) for Microsoft Columbia Data Center, 8/20/10

https://ecology.wa.gov/ms-tier3-doc

Microsoft Columbia Data Center - Technical Support Document for Notice of Construction permit

Technical Support Document for Notice of Construction permit for Microsoft Columbia Data Center, 8/12/10

https://ecology.wa.gov/msnexpand2010-tsd-8-4

Sabey Intergate Data Center - Health Impact Assessment

Health Impact Assessment (Second Tier Review) Technical Support Document for Sabey Intergate Data Center, 6/22/11

https://ecology.wa.gov/sabeyquincy-2ndtier-tsd-06222011-final

Yahoo Data Center - Notice of Construction permit

Notice of Construction permit for Yahoo Data Center, 3/28/11

https://ecology.wa.gov/yahoo-ord-11aq-e399

Yahoo Data Center - Technical Support Document for Health Impact Assessment

Technical Support Document for Health Impact Assessment (Third Tier Review) for Yahoo Data Center, 2/8/11

https://ecology.wa.gov/yahoo-tier3-tsd-2-8