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.

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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

Eyes Over Puget Sound

We provide documentation of Puget Sound waterways using community submissions and aerial photography.

https://ecology.wa.gov/research-data/monitoring-assessment/puget-sound-and-marine-monitoring/eyes-over-puget-sound

Puget Sound feeder bluffs

Protecting the cliffs that feed Puget Sound beaches with sand and the beaches that depend on them.

https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/projects/puget-sound-feeder-bluff

Puget Sound feeder bluff mapping

We map the feeder bluffs that feed Puget Sound beaches with sand to understand and protect them.

https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/projects/puget-sound-feeder-bluff/puget-sound-feeder-bluff-mapping

Effectiveness monitoring for water quality

Our scientists study the effectiveness of projects to protect and improve water quality.

https://ecology.wa.gov/research-data/monitoring-assessment/water-quality-improvement-effectiveness-monitoring

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

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

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