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.
2011 comprehensive emissions inventory three-year summary
This is a spreadsheet of the 2011 comprehensive three-year emissions inventory.
https://ecology.wa.gov/2011-comprehensive-emissions-inventory-summary
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
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
Baseline modeling inventory for Prevention of Significant Deterioration-permitted facilities
This is a spreadsheet of the baseline modeling emissions inventory for Prevention of Significant Deterioration-permitted facilities.
https://ecology.wa.gov/201603prevsignificantdeteriorationbaseline
2014 emissions inventory for Prevention of Significant Deterioration-permitted facilities
This is the spreadsheet of 2014 emissions inventory for facilities with a Prevention of Significant Deterioration permit.
https://ecology.wa.gov/201603prevsignificantdeteriorationinventory
Input data for modeling emissions inventory for Prevention of Significant Deterioration-permitted facilities
This is a spreadsheet of the input data for modeling emissions inventory for Prevention of Significant Deterioration-permitted facilities.
https://ecology.wa.gov/201603prevsignificantdeteriorationsupp
Prevention of Significant Deterioration baseline emissions inventory technical support
This is the technical support document for the baseline emissions inventory for facilities with a Prevention of Significant Deterioration permit.
https://ecology.wa.gov/201603prevofsignificantdeteriorationtechsupport
Ecology comments to EPA on proposed ozone NAAQS standard
Comments submitted to EPA on the agency's proposed ozone standards.
https://ecology.wa.gov/20200929-ecology-ozone-naaqs-comments
2021 Areas of Concern map
2021 map showing areas of concern for criteria pollutants
https://ecology.wa.gov/20210806-aoc-map-alt
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
Text Description Swift Creek Construction Diagram July 2024
This text description explains the diagram of engineered controls and construction schedule for the Swift Creek Project.
https://ecology.wa.gov/swift-creek-construction-diagram-2024-text-description
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