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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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Cleanup Rule exploratory rulemaking process & timeline (as of January 2018)
A January 2018 notice of our exploratory process and timeline for updating Washington's Cleanup Rule.
https://ecology.wa.gov/noticecleanupruleexprmjan2018
Slide desk for statewide scoping webinar on April 3, 2018
Slides for the Cleanup Rule's statewide scoping session on Tuesday, April 3, 2018.
https://ecology.wa.gov/scopingsessionslidedeck04-03-2018
King County BEACH report
Learn about beaches sampled for bacteria levels in King County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/king-county
Pierce County BEACH report
Learn about beaches sampled for bacteria levels in Pierce County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/pierce-county
Clallam County BEACH report
Learn about beaches sampled for bacteria levels in Clallam County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/clallam-county
Kitsap County BEACH report
Learn about beaches sampled for bacteria levels in Kitsap County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/kitsap-county
Mason County BEACH report
Learn about beaches sampled for bacteria levels in Mason County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/mason-county
Snohomish County BEACH report
Learn about beaches sampled for bacteria levels in Snohomish County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/snohomish-county
Geographic Information Systems (GIS)
Our GIS staff maintain spatial datasets and applications, conduct GIS projects, and publish GIS maps.
https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis
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