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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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

Lower Snohomish River Tributaries effectiveness monitoring

We're studying bacteria pollution in tributaries to the Lower Snohomish River.

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

Washington State Hydrography Dataset Program

Mapping surface waters in Washington.

https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/hydrography-program-washd

Rivers & streams temperature monitoring

We collect data on the temperature of rivers and streams across the state.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/temperature-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

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

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

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

GIS standards

Find standards for Ecology's GIS data.

https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/standards

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

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

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

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

GIS Contacts

Find GIS staff contact information.

https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/gis-contacts

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

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

Skagit County annual BEACH report

We sampled Bay View State Park beach in Skagit County in the summer of 2023.

https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/skagit-county

Jellyfish in Puget Sound

Jellyfish numbers may be increasing in Puget Sound. You can help us monitor them.

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

Marine algae & plankton

Marine algae blooms are overgrowths of plankton. They can look like a spill in the water.

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