Research & Data

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

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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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Research & Data

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

Research & Data icon

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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Light Recycle Participants
LightRecycle list of participating producers
https://ecology.wa.gov/lightrecycleparticipants
2016 Statewide Litter Data Overview
2016 data from all state-funded litter pickup programs
https://ecology.wa.gov/2016-statewide-litter-data-overview
waste tires trends - excel file of chart data
Excel file version of waste tires trends chart 2005-14
https://ecology.wa.gov/waste-tires-trends-excel-file-of-chart-data
Cap-and-Invest Linkage Survey Questions
This is a pdf of a survey being distributed by Ecology to get public input on linking Washington's carbon market with markets in other jurisdictions
https://ecology.wa.gov/202303cap-and-investlinkagesurveyquestions
Disposal by county 2016
This is a spreadsheet listing waste disposal data for each Washington county from 1994 to 2016
https://ecology.wa.gov/disposal-by-county-2016
2017 Statewide Litter Summary
Summary statistics of litter collected in 2017 from public roads and spaces, with numbers broken down by region.
https://ecology.wa.gov/2017-statewide-litter-summary
Landfill Report 2004
Landfill Report 2004
https://ecology.wa.gov/landfill-report-2004-2
Landfill Report 2005
Landfill Report 2005
https://ecology.wa.gov/landfill-report-2005
Landfill Report 2006
Landfill Report 2006
https://ecology.wa.gov/landfill-report-2006
Landfill Report 2007
Landfill Report 2007
https://ecology.wa.gov/landfill-report-2007
Prior years point source emissions data
This spreadsheet shows emissions from facilities and other point sources from 2009 forward.
https://ecology.wa.gov/prior-years-point-source-emissions
Landfill Report 2008
Landfill Report 2008
https://ecology.wa.gov/landfill-report-2008
Landfill Report 2009
Landfill Report 2009
https://ecology.wa.gov/landfill-report-2009
Landfill Report 2010
Landfill Report 2010
https://ecology.wa.gov/landfill-report-2010
Landfill Report 2011
Landfill Report 2011
https://ecology.wa.gov/landfill-report-2011
Landfill Report 2012
Landfill Report 2012
https://ecology.wa.gov/landfill-report-2012
Landfill Report 2013
Landfill Report 2013
https://ecology.wa.gov/landfill-report-2013
Landfill Report 2014
2014 Disposal by Landfill Type
https://ecology.wa.gov/landfill-report-2014
Landfill Report 2015
A spreadsheet showing quantities of materials collected and broken down by material type for each landfill facility.
https://ecology.wa.gov/landfillreport2015
Food types composted in Washington
This is a spreadsheet showing the types of food composted in Washington from 2010 to 2017, along with their amounts.
https://ecology.wa.gov/food-types-composted
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