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.
KeepingYourBeachClean
An infographic with tips on how to keep your beach clean.
https://ecology.wa.gov/beach-infographic-print-version
Draft-EIS-Process
Steps in the state environmental review process for a draft EIS
https://ecology.wa.gov/draft-eis-process
2015 changes to 2009 vapor intrusion toxicity values and screening levels
2015 Excel spreadsheet of changes to the 2009 vapor intrusion toxicity values and screening levels.
https://ecology.wa.gov/2015vaporintrusionupdates
Received through January 18, 2012: Comments on Ecology's Fish Consumption Rates Technical Support Document (Version 1)
Comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
https://ecology.wa.gov/20120118fcrcommentsforversion1
Requirements for 401 Water Quality Certification Request
This table describes the required elements, documents, and actions to submit your certification request to the Department of Ecology.
https://ecology.wa.gov/certification-requirements-table
Received through January 18, 2012: Emailed form comments in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
Emailed (form) comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
https://ecology.wa.gov/20120118fcrformlettercommentsforversion1
July 16, 2012: Ecology's approach to fish consumption standards in Washington state
Former Ecology Director Ted Sturdevant's 2012 transmittal letter announcing Ecology's approach to fish consumption standards in Washington state.
https://ecology.wa.gov/20120716sturdevantfcrapproachtostandards
Order Remanding 2020 Section 401 Rule with Vacatur
Order from United State District Court Northern District of California that remands and vacates the 2020 Section 401 rule under the Clean Water Act.
https://ecology.wa.gov/cwa-401-order-remanding-with-vacatur
August 30, 2012: Fish consumption rates technical support document [draft Version 2]
Former Ecology Director Ted Sturdevant's 2012 transmittal letter announcing release of fish consumption rates technical support document [draft Version 2.0].
https://ecology.wa.gov/20120830sturdevantfcrtechsuppdraftv2
Received through October 26, 2012: Comments on Ecology's Fish Consumption Rates Technical Support Document (draft Version 2.0)
Comments received through October 26, 2012, on Ecology's Fish Consumption Rates Technical Support Document (draft Version 2.0).
https://ecology.wa.gov/20121026fcrcommentsforversion2
Ecology Water Quality Funded Aquatic Invasive Plants Grant Project Offer List for Fiscal Year 2020
List of applicants who were offered grants/loan through Ecology's Water Quality Funded Aquatic Invasive Plants Grant Project for Fiscal Year 2020
https://ecology.wa.gov/fy2020-aquatic-invasive-plant
November 5, 2012: Fish Consumption Technical Review Meeting
Meeting summary from Nov. 5, 2012, technical review panel meeting to discuss the revised version of the Fish Consumption Technical Report V.2, hosted by Washington State Department of Ecology.
https://ecology.wa.gov/20121105fcrtechreviewmtngforv2
November 27, 2012: Fish Consumption Technical Review Meeting
Meeting summary from Nov. 27, 2012, technical review panel meeting to discuss the revised version of the Fish Consumption Technical Report V.2, hosted by Washington State Department of Ecology.
https://ecology.wa.gov/20121127fcrtechreviewmtngforv2
January 15, 2013: Final fish consumption rates technical support document
Former Ecology Director Ted Sturdevant's 2013 transmittal letter announcing release of final fish consumption rates technical support document (version 2.0).
https://ecology.wa.gov/20130115sturdevantfcrtechsupportdocv2
AFFF interactive DEIS plain text
This is the plain text version of the AFFF DEIS.
https://ecology.wa.gov/afff-interactive-deis-plain-text
Yakima Railroad Area groundwater performance monitoring
We're monitoring legacy pollution in central Yakima and Union Gap to measure cleanup effectiveness.
https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/active-studies-index/yakima-rail
Watershed health sampling sites
Learn about the sites we sample.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/sampling-sites
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
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
BEACH annual report
See our annual county-by-county report on bacterial levels at saltwater swimming beaches for 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report
1089 results
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