Research & Data

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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GIS Data
Ecology's authoritative GIS data layers are available for download.
RecycleHotlineSearches20152016
Calls and web searches to the 1-800-RECYCLE hotline.
Feedstocks composted 2010 - 2016
Excel file showing feedstocks composted (tons) 2010-16.
Food composted chart plain text - 2010-15
Excel file version of food composted chart for 2010-15
waste tires trends - excel file of chart data
Excel file version of waste tires trends chart 2005-14
Material Recovery and Disposal 2014
Material Recovery and Disposal 2014 data
2016 Statewide Litter Data Overview
2016 data from all state-funded litter pickup programs
2016 Northwest litter data
2016 litter data from the Northwest region
2016 Central region litter data
2016 data from litter programs in the Central region.
2016 Eastern litter data
2016 data from litter programs in the Eastern region.
2016 Southwest litter data
2016 data from litter programs in the Southwest region.
County Disposal Totals
Solid Waste Disposal Annual Summary, Recoverable and Non-Recoverable Wastes generated in Washington state, 1994-2014
Landfill Report 2014
2014 Disposal by Landfill Type
Landfill Report 2013
Landfill Report 2013
Landfill Report 2012
Landfill Report 2012
Landfill Report 2011
Landfill Report 2011
Landfill Report 2010
Landfill Report 2010
Landfill Report 2009
Landfill Report 2009
Landfill Report 2008
Landfill Report 2008
Landfill Report 2007
Landfill Report 2007
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