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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Sprague Lake Community Mtg

Sprague Lake Hydrology Analysis Community Kick-Off Meeting November 22, 2022

https://ecology.wa.gov/sprague-lake

Fire Mountain Farms biosolids hearing presentation

Hearing presentation from the 2020 Fire Mountain Farms proposal to land apply biosolids at five sites in Lewis county

https://ecology.wa.gov/2020-biosolids-hearing-presentation

Fire Mountain Farms biosolids hearing presentation script

Hearing presentation script from the 2020 Fire Mountain Farms proposal to land apply biosolids at five sites in Lewis county

https://ecology.wa.gov/2020-biosolids-hearing-script

05-03-2017 PRO-C Meeting

05-03-2017 PRO-C Meeting agenda and summary

https://ecology.wa.gov/05-03-2017-pro-c-meeting-agenda-and-summary

2010 SWG Key recommendations

https://ecology.wa.gov/063010keyrecommendations

June 2014 Status and Trends Recommendations

https://ecology.wa.gov/11june2014recommendsrsmpeffectivenesss-t

2010 Stormwater Monitoring and Assessment Strategy for the Puget Sound Region

https://ecology.wa.gov/2010stormwaterstrategy

Memorandum of Understanding Cruise Operations in Washington State

Agreement between Ecology and the Cruise ships

https://ecology.wa.gov/2024-cruise-ship-mou

Carnival Luminosa Cruise Line Inspection Report

This is the inspection report for the Carnival Luminosa cruise line

https://ecology.wa.gov/2023-carnival-luminosa-cruise-line

Norwegian Sun Inspection Report

This is the inspection report for the Norwegian Sun cruise line

https://ecology.wa.gov/2023-norwegian-sun

Radiance of the Seas Inspection Report

This is the inspection report for Radiance of the Seas Cruise Line

https://ecology.wa.gov/2023-radiance-of-the-seas

Seabourn Venture Inspection Report

This is the inspection report for Seabourn Venture Cruise Line

https://ecology.wa.gov/2023-seabourn-venture

River and stream flow monitoring

We report the amount of water flowing through Washington’s rivers and streams using graphs and maps.

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

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

Watershed Health Monitoring by region

We studied stream habitat across the state since 2009 and report on findings.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports

Watershed health — Lower Columbia update

River and stream habitats in the Lower Columbia Region show some slight downward trends.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/lower-columbia

Watershed health — Coastal Region update

River and stream habitat in the Coastal Region may show some improvements, but changes are slight.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/coastal

Watershed health — Mid-Columbia update

River and stream habitat in the Mid-Columbia Region shows slight improvement.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/mid-columbia

Watershed health — Puget Sound Region update

River and stream habitat in the Puget Sound Region shows variable conditions.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/puget-sound

Watershed Health - Statewide Report

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https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/statewide-report