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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Watershed health — Snake River update
River and stream habitat in the Snake River Region shows variable conditions.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/snake-river
Watershed health — Upper Columbia update
River and stream habitat in the Snake River Region shows mostly good conditions.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/upper-columbia
BEACH annual report
See our annual county-by-county report on bacterial levels at saltwater swimming beaches for 2023.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report
EIM — environmental monitoring data
EIM contains environmental monitoring data collected by our scientists and partners.
https://ecology.wa.gov/research-data/data-resources/environmental-information-management-database
Aquatic Species Restoration Plan Research and Studies
The ASRP is a science-based plan to restore and enhance aquatic species habitat in the Chahalis Basin.
https://ecology.wa.gov/research-data/scientific-reports/asrp-research
Coastal zone mapping & erosion monitoring
We survey Washington's coastlines to monitor coastal erosion and track sediment movement over time.
https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-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
Wastewater testing
Whole effluent toxicity testing ensures wastewater does not harm aquatic life.
https://ecology.wa.gov/research-data/monitoring-assessment/wastewater-testing
Using MyEIM
MyEIM is an advanced tool for searching and analyzing EIM data and is best viewed on a large screen.
https://ecology.wa.gov/research-data/data-resources/environmental-information-management-database/using-myeim
River & stream water quality monitoring
We monitor water quality at nearly 100 river and stream stations throughout the state.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/water-quality-monitoring
Data products & reports
See example data products, get access to data, and view reports and presentations.
https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/data-products
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
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
Monitoring for lead in lakes & streams
We monitor temporal changes in the lead levels of rivers and streams in the state.
https://ecology.wa.gov/research-data/monitoring-assessment/toxics-monitoring/lead-monitoring
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
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
Newaukum River effectiveness monitoring
We're studying the Newaukum River to understand the effects of river restoration on the watershed.
https://ecology.wa.gov/research-data/monitoring-assessment/water-quality-improvement-effectiveness-monitoring/newaukum-river
Puyallup River tributaries effectiveness monitoring
We’re studying bacteria pollution in tributaries to the Puyallup River.
https://ecology.wa.gov/research-data/monitoring-assessment/water-quality-improvement-effectiveness-monitoring/puyallup-river-tributaries
Railroad Creek monitoring
Our scientists are studying how mine remediation affects aquatic life uses along Railroad Creek.
https://ecology.wa.gov/research-data/monitoring-assessment/water-quality-improvement-effectiveness-monitoring/railroad-creek
Monitoring Puget Sound from ferries
We installed sensors on passenger ferries as a cost-effective way of collecting water quality data.
https://ecology.wa.gov/research-data/monitoring-assessment/puget-sound-and-marine-monitoring/monitoring-puget-sound-from-ferries
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