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.
List of Businesses Participating in Product Replacement Programs
List of businesses participating in our product replacement programs.
https://ecology.wa.gov/prp-businesses
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 2015
A spreadsheet showing quantities of materials collected and broken down by material type for each landfill facility.
https://ecology.wa.gov/landfillreport2015
Materials composted 2010-2017
This is a spreadsheet showing the different types of material composted in Washington from 2010 to 2017, along with their amounts.
https://ecology.wa.gov/materials-composted
Materials, collection type, sector 2017
This is a spreadsheet with 2017 data on Washington's recovered materials, their collection type, and their sector.
https://ecology.wa.gov/materials-collection-type-and-sector-data
Emergency flood response
Outlining ecology's various roles in emergency flood response.
https://ecology.wa.gov/emergency-flood-response-who-does-what
FoodTypesComposted-AltChart
This spreadsheet shows data on the quantities and types of food composted in Washington.
https://ecology.wa.gov/foodtypescomposted-altchart
MaterialsCompostedQuantityTrends-AltChart
This spreadsheet shows data on the types of materials composted in Washington, showing quantity trends over time.
https://ecology.wa.gov/materialscompostedquantitytrends-altchart
Disposal by facility 2021
This spreadsheets lists 2021 data of disposal by Washington facilities.
https://ecology.wa.gov/disposal-by-facility-2021-updated-3-19-24
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