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.

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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

Jefferson County annual BEACH report

Learn about the four beaches sampled for bacteria in Jefferson County in the summer of 2023.

https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/jefferson-county

King County annual BEACH report

We sampled 10 beaches in King County for bacteria in the summer of 2023.

https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/king-county

Pierce County annual BEACH report

We sampled 7 beaches in Pierce County for bacteria in the summer of 2023.

https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/pierce-county

Kitsap County annual BEACH report

Learn about bacteria results at Kitsap County beaches sampled in the summer of 2023.

https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/kitsap-county

Mason County annual BEACH report

We sampled three beaches in Mason County for bacteria in the summer of 2023.

https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/mason-county

Snohomish County annual BEACH report

We sampled seven beaches in Snohomish County for bacteria in the summer of 2023.

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