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.

See more about this collection...

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

Air quality general order for concrete batch plants

This is the air quality general order for concrete batch plants.

https://ecology.wa.gov/20111206goconcretebatchplants

Technical support document for air quality general order for concrete batch plants, December 6, 2011

This is the technical support document for the air quality general order for concrete batch plants, December 6, 2011.

https://ecology.wa.gov/20111206concretebatchplantstsd

Air quality general order for dry cleaners, December 6, 2011

This is the air quality general order for dry cleaners, December 6, 2011.

https://ecology.wa.gov/20111206gorockcrushers

Technical Support Document for air quality general order for rock crushers, December 6, 2011

This is the technical support document for the air quality general order for rock crushers, December 6, 2011.

https://ecology.wa.gov/20111206rockcrusherstsd

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

Dell Data Center Notice of Construction (NOC( permit

Notice of Construction (NOC) permit for Dell Data Center, 8/5/11

https://ecology.wa.gov/dellquincy11aq-e421-final

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

Sabey Intergate Data Center - Notice of Construction permit

Notice of Construction Permit for Sabey Intergate Data Center, 8/26/11

https://ecology.wa.gov/sabeyquincy-order-11aq-e424

Sabey Intergate Data Center - Notice of Construction Technical Support Document

Notice of Construction Technical Support Document for Sabey Intergate Data Center, 6/24/11

https://ecology.wa.gov/sabeyquincy-tsd-6-24

Sabey Intergate Data Center - Health Impact Assessment letter

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

https://ecology.wa.gov/sabey-2ndtier-letter-to-karen-wood-06222011

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