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.
Fire Mountain Farms 2015 application form
2015 application for coverage under the general permit for biosolids management
https://ecology.wa.gov/2015-application-form
2015 Biosolids general permit
A PDF version of the Biosolids General Permit issued August 5, 2015 and in effect from September 4, 2015 to September 4, 2020.
https://ecology.wa.gov/2015-biosolids-general-permit
Minor source baseline dates by county
This is a spreadsheet of minor sources with baseline dates by county.
https://ecology.wa.gov/201502minorsourcebaselinecounty
2011 Comprehensive Emissions Inventory Categories Reference
This reference document summarizes the methods used to prepare the Washington 2011 County Emissions Inventory.
https://ecology.wa.gov/2011-comprehensive-emissions-inventory-categories
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 - Request for revisions for Notice of Construction permit
Request for revisions to Notice of Construction permit for Sabey Intergate Data Center, 3/4/15
https://ecology.wa.gov/revrequestao030415
Sabey Intergate Data Center - Updated Health Impact Assessment
Updated Health Impact Assessment (Second Tier Review) Recommendation for Sabey Intergate Data Center, 3/3/15
https://ecology.wa.gov/updaterpt2ndtier
Microsoft Oxford Data Center - Draft Notice of Construction permit
Draft Notice of Construction Permit for Microsoft Oxford Data Center, 5/14/15
https://ecology.wa.gov/draftpermit
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
Microsoft Oxford Data Center - Health Impact Assessment letter
Health Impact Assessment (Second Tier Review) Letter for Microsoft Oxford Data Center, 5/13/15
https://ecology.wa.gov/20150513oxfordhialtr
Microsoft Oxford Data Center - Health Impact Assessment Recommendation
Health Impact Assessment (Second Tier Review) Recommendation for Microsoft Oxford Data Center, 5/13/15
https://ecology.wa.gov/20150513oxfordhiarec
Microsoft Oxford Data Center - Notice of Construction application
Notice of Construction Application for Microsoft Oxford Data Center, 2/15/15
https://ecology.wa.gov/20150215oxfordnocapp
2015 Fact Sheet Sand and Gravel General Permit
The Fact Sheet serves as the documentation of the legal, technical, and administrative decisions Ecology has made in the process of reissuing the permit.
https://ecology.wa.gov/2015-fact-sheet
2014 Annual Report
2014 Willapa Bay Shellfish Z. japonica Annual Report
https://ecology.wa.gov/2014wag993008annualrpt
2014 Pretreatment Plan
2014 Willapa Bay Shellfish Z. japonica Pretreatment Plan
https://ecology.wa.gov/2014wag993008pretrtplan
2014 Annual Report
2014 Herrold Fish Oyster Z. japonica Annual Report
https://ecology.wa.gov/2014wag993009annualrpt
2014 Annual Report
2014 Heckes Clam Inc Z. japonica Annual Report
https://ecology.wa.gov/2014wag993010annualrpt
2014 Pretreatment Plan
2014 Heckes Clam Inc Z. japonica Pretreatment Plan
https://ecology.wa.gov/2014wag993010pretrtplan
2014 Pretreatment Plan
2014 Herrold Fish Oyster Z. japonica Pretreatment Plan
https://ecology.wa.gov/2014wag993009pretrtplan
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