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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Columbia River reports & documents
Our Office of Columbia River scientific reports and documents support water supply projects for Eastern Washington
https://ecology.wa.gov/research-data/scientific-reports/columbia-river-reports
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
River & stream flow monitoring methods
We measure water's width, depth, and speed in rivers and streams to compute streamflow.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/flow-monitoring/river-stream-flow-monitoring-methods
Habitat monitoring methods
We monitor the health of streams by measuring the health of habitat, water, and sediment chemistry.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/habitat-monitoring-methods
Water quality monitoring methods for rivers & streams
Learn how we measure water quality in rivers and streams, including methods and parameters.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/water-quality-monitoring/river-stream-monitoring-methods
Using river & stream water quality data
Learn how to find and understand water quality data from rivers and streams across the state.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/water-quality-monitoring/using-river-stream-water-quality-data
Find groundwater publications
Map and text-based methods for searching for groundwater-related reports for Washington.
https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/find-groundwater-publications
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
Wastewater testing
Whole effluent toxicity testing ensures wastewater does not harm aquatic life.
https://ecology.wa.gov/research-data/monitoring-assessment/wastewater-testing
Modeling the environment
Computer models mathematically represent part of the environment to predict potential changes.
https://ecology.wa.gov/research-data/data-resources/models-spreadsheets/modeling-the-environment
Contaminants in lake sediment cores
We age-date sediment cores from three lakes per year to assess contaminant deposition trends.
https://ecology.wa.gov/research-data/monitoring-assessment/toxics-monitoring/contaminants-in-sediment-cores
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
River & stream data quality assurance
See river and monitoring quality assurance plans, documents, and methods.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/water-quality-monitoring/river-stream-data-quality-assurance
Stream biological monitoring
We evaluate the health of rivers and streams by studying multiple aquatic communities.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/stream-biological-monitoring
River & stream water quality index
The Freshwater Quality Index can help you learn about river and stream health.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/water-quality-monitoring/river-stream-water-quality-index
Habitat monitoring
We collect data on the health of environmental systems that support plant and animal life.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring
Forest practices effectiveness monitoring
We evaluate whether forest practices rules protect fish, wildlife, and water quality.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/forest-practices-effectiveness-monitoring
Active groundwater studies
We conduct groundwater studies for long- and short-term projects. Learn about our active studies.
https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/active-studies-index
Plaza Cleaners groundwater monitoring
We monitor groundwater for volatile organic compounds at the Plaza Cleaners Lakewood site.
https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/active-studies-index/lakewood-cleaners
Estimating nitrate groundwater impacts
We developed a method to estimate groundwater nitrate impacts from nutrients and fertilizers.
https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/active-studies-index/nitrates-and-groundwater-quality-tool
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