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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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Goldendale-Energy-Storage-Project-Draft-EIS-Open-House
Read the online open house for the Goldendale Energy Storage Project draft Environmental Impact Statement.
https://ecology.wa.gov/goldendale-energy-draft-eis-open-house
Water Quality Fiscal Year 2013 - 2015 Biennium Outcomes Report
2 year report on Water Quality projects funded by Ecology, covering Fiscal Years 2013 through 2015
https://ecology.wa.gov/fiscal-year-2013-2015-biennium-outcomes-report-f
Groundwater quality assessment
Our hydrogeologists monitor and assess groundwater quality and quantity in Washington.
https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment
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
Lake water quality monitoring & protection
Working with partners, we compile data on algae, invasive plants, and some toxic chemicals in lakes.
https://ecology.wa.gov/research-data/monitoring-assessment/lake-water-quality
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
Wastewater testing
Whole effluent toxicity testing ensures wastewater does not harm aquatic life.
https://ecology.wa.gov/research-data/monitoring-assessment/wastewater-testing
Marine water & sediment monitoring
We conduct water and sediment long-term monitoring to identify ecosystem changes.
https://ecology.wa.gov/research-data/monitoring-assessment/puget-sound-and-marine-monitoring
Watershed health monitoring
We monitor the regional health of rivers and streams in watersheds throughout the state.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health
Salish Sea Model
We use a computer tool that simulates hydrodynamic and water quality processes in the Salish Sea.
https://ecology.wa.gov/research-data/data-resources/models-spreadsheets/modeling-the-environment/salish-sea-modeling
Island County BEACH report
Learn about beaches sampled for bacteria levels in Island County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/island-county
Skagit County BEACH report
Learn about beaches sampled for bacteria levels in Skagit County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/skagit-county
Thurston County BEACH report
Learn about beaches sampled for bacteria levels in Thurston County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/thurston-county
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
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
Grays Harbor County BEACH report
Learn about beaches sampled for bacteria levels in Grays Harbor County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/grays-harbor-county
Jefferson County BEACH report
Learn about beaches sampled for bacteria levels in Jefferson County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/jefferson-county
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
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