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.
Spokane County's Second 10‐Year Limited Maintenance Plan for Particulate Matter (PM10)Spokane County, Washington Second 10-Year Limited Maintenance Plan for PM10
State Implementation Plan Revision for Spokane County Second 10-Year Limited Maintenance Plan for PM10
https://ecology.wa.gov/spokanepm10second10lmp
2011 point source emissions annual summary
This is a spreadsheet of the annual summary of 2011 point source emissions.
https://ecology.wa.gov/2011-point-source-emissions-summary
Benton Clean Air Agency General Air Quality Rules
Including Benton Clean Air Agency rules into the State Implementation Plan
https://ecology.wa.gov/bentoncombinedfilessubmittal
State Implementation Plan Revision: Updates to Spokane Regional Clean Air Agency Regulations
State Implementation Plan Revision Updates to Spokane Regional Clean Air Agency Solid Fuel Burning Devices Rule (Regulation I - Article VIII)
https://ecology.wa.gov/finalsipspokane2015
Exceptional Event Demonstration for the August 14, 2015 PM10 Exceedence in Kennewick
report demonstrating that high winds on August 14, 2015 overwhelmed agriculture erosion controls and contributed to elevated levels of particle pollution in Kennewick.
https://ecology.wa.gov/20150814-exceptional-event-demonstration
Titan Data Center Moses Lake Approval Order 15AQ-E616
This is the 2015 air quality permit approval order for Titan Data Center in Moses Lake.
https://ecology.wa.gov/20150520titan15aqe616
Sabey Intergate Data Center - Draft Notice of Construction permit
Draft notice of construction permit for Sabey Intergate Data Center, 11/16/15
https://ecology.wa.gov/prelim
Sabey Intergate Data Center - Health Impact Assessment letter
Health impact assessment (Second Tier Review) letter for Sabey Intergate Data Center, 11/16/15
https://ecology.wa.gov/2ndtierrev
Sabey Intergate Data Center - Revised Health Impact Assessment
Revised Health Impact Assessment for Sabey Intergate Data Center, 11/16/15
https://ecology.wa.gov/revhistmt
Sabey Intergate Data Center - Draft Notice of Construction Technical Support Document
Draft Notice of Construction Technical Support Document for Sabey Intergate Data Center, 11/16/15
https://ecology.wa.gov/tsd111615
Sabey Intergate Data Center - Appendix E of Notice of Construction permit
Appendix E of Notice of Construction application for Sabey Intergate Data Center, 6/4/15
https://ecology.wa.gov/appxe
Yahoo Data Center - Health Impact Assessment letter
Health Impact Assessment (Second Tier Review) Letter for Yahoo Data Center, 2/17/16
https://ecology.wa.gov/yahoogenesistier2ltr02172016
Yahoo Data Center - Health Impact Assessment
Health Impact Assessment (Second Tier Review) for Yahoo Data Center, 2/17/16
https://ecology.wa.gov/yahoogenesishis02172016
Yahoo Data Center - Draft Notice of Construction permit
Draft Notice of Construction permit for Yahoo Data Center, 2/5/16
https://ecology.wa.gov/yahoopd02052016
Yahoo Data Center - Draft Technical Support Document for Notice of Construction permit
Draft Technical Support Document for Notice of Construction permit for Yahoo Data Center, 2/5/16
https://ecology.wa.gov/yahoodrafttsd02052016
Vantage Data Center - Air Dispersion Modeling Protocol
Protocol and methods for air dispersion modeling for a Notice of Construction application for Vantage Data Center, 2/25/16
https://ecology.wa.gov/vantage-modeling-protocol-022516ada
Yahoo Data Center - Notice of Construction application
Notice of Construction application (revised) for Yahoo Data Center, 12/23/15
https://ecology.wa.gov/yahoorevisednoc12232015
Yahoo Data Center - Revised Risk Analysis
Risk Analysis for Yahoo Data Center (revised), 12/23/15
https://ecology.wa.gov/yahoorevisedriskanalysis12232015
Microsoft Oxford Data Center - Technical Support Document for draft Notice of Construction permit
Draft Notice of Construction Technical Support Document for Microsoft Oxford Data Center, 5/14/15
https://ecology.wa.gov/20150514oxforddrafttsd
Microsoft Oxford Data Center - Technical Support Document for draft Notice of Construction permit
Draft Notice of Construction Technical Support Document for Microsoft Oxford Data Center, 5/14/15
https://ecology.wa.gov/tsd
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