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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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Biochemical Oxygen Demand (BOD) - Benchsheet for bottle method
The worksheet for labs uses the bottle method for biochemical oxygen demand testing.
https://ecology.wa.gov/bod-benchsheet
BOD benchsheet for SM 5210B
This a quality-control tool for environmental laboratories is used with the 5-day Biochemical Oxygen Demand (BOD) test, Standard Method 5210-B.
https://ecology.wa.gov/bod-benchsheet-sm-5210b
pH benchsheet
is a quality-control tool for environmental laboratories.
https://ecology.wa.gov/ph-benchsheet
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
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
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
Clallam County BEACH report
Learn about beaches sampled for bacteria levels in Clallam County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/clallam-county
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
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
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
Kitsap County BEACH report
Learn about beaches sampled for bacteria levels in Kitsap County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/kitsap-county
Mason County BEACH report
Learn about beaches sampled for bacteria levels in Mason County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/mason-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
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
Snohomish County BEACH report
Learn about beaches sampled for bacteria levels in Snohomish County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/snohomish-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
Whatcom County BEACH report
Learn about beaches sampled for bacteria levels in Whatcom County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/whatcom-county
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
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
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