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.
Monitoring for toxic chemicals
We conduct long-term monitoring to understand levels and trends of toxics in the environment.
https://ecology.wa.gov/research-data/monitoring-assessment/toxics-monitoring
Freshwater fish contaminant monitoring
We analyze freshwater fish for various toxic chemicals.
https://ecology.wa.gov/research-data/monitoring-assessment/toxics-monitoring/freshwater-fish-contaminant-monitoring
Mercury in fish tissue
We monitor mercury levels in freshwater fish throughout Washington.
https://ecology.wa.gov/research-data/monitoring-assessment/toxics-monitoring/mercury-in-fish-tissue
River and stream monitoring
Our freshwater data helps us to assure clean and abundant water to support human and aquatic life.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring
Skagit County annual BEACH report
We sampled Bay View State Park beach in Skagit County in the summer of 2023.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/skagit-county
Island County annual BEACH report
Learn about the four beaches sampled for bacteria in Island County in the summer of 2023.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/island-county
Models and tools for water quality improvement
We use models to predict water quality changes to help find strategies to address pollution.
https://ecology.wa.gov/research-data/data-resources/models-spreadsheets/modeling-the-environment/models-tools-for-tmdls
Models & spreadsheets
Computer models predict changes and spreadsheets calculate. We offer these tools to the public.
https://ecology.wa.gov/research-data/data-resources/models-spreadsheets
Henderson Inlet effectiveness monitoring
Our monitoring work in Henderson Inlet shows how local projects reduced fecal coliform in water.
https://ecology.wa.gov/research-data/monitoring-assessment/water-quality-improvement-effectiveness-monitoring/henderson-inlet
GIS Applications
Find a list of GIS applications at Ecology.
https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/applications
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
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
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
Grays Harbor County BEACH report
Learn about beaches sampled for bacteria levels in Grays Harbor County in the summer of 2023.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/grays-harbor-county
Clallam County annual BEACH report
Learn about bacteria results at Clallam County beaches sampled in the summer of 2023.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/clallam-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
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
GIS Data
Ecology's authoritative GIS data layers are available for download.
https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/data
Long-term marine water & sediment data
We gather high quality data to help accurately reflect changes in marine environments over time.
https://ecology.wa.gov/research-data/monitoring-assessment/puget-sound-and-marine-monitoring/water-column-data
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