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.
Ecology Listening Session: Implementation Memo No. 22 - Vapor Intrusion Investigations and Short-term Trichloroethene Toxicity
This presentation was for the December 17, 2018 Ecology Listening Session in Bellevue, Washington. Ecology gathered feedback on the Implementation Memo No. 22.
https://ecology.wa.gov/december-2018-listening-session-ppt-vi-and-tce
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-2
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-2
https://ecology.wa.gov/dbe-subcontractor-participation-form-6100-2
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-3
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-3
https://ecology.wa.gov/dbe-subcontractor-participation-form-6100-3
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-4
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-4
https://ecology.wa.gov/dbe-subcontractor-participation-form-6100-4
Silva Cell Modeling Procedure
Report on using the Western Washington Hydrology Model (Vers. 4.0) to size Silva Cells for stormwater runoff treatment and flow control.
https://ecology.wa.gov/deeprootssilvacellmodelingprocedure
Decision-making document (WAC 173-460) 05/19
This is the documentation of key decisions for updating the list of toxic air pollutants in Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollution Sources.
https://ecology.wa.gov/decision-making-document-wac-173-460-05-19
Davy Crockett barge incident press release (7)
USCG Press Release - March 11, 2011
https://ecology.wa.gov/davy-crockett-barge-7
Davy Crockett barge incident press release (8)
USCG Press Release - March 28, 2011
https://ecology.wa.gov/davy-crockett-barge-8
Davy Crockett barge incident press release (9)
USCG Press Release - March 30, 2011
https://ecology.wa.gov/davy-crockett-barge-9
Ecology Deep River barge press release - December 7,2021
December 7, 2021, press release for Deep River barge incident
https://ecology.wa.gov/deep-river-barge-press-release
Definitions Work Group Agenda - August 11, 2015
Definitions Work Group Agenda - August 11, 2015
https://ecology.wa.gov/definitions-work-group-agenda-august-11-2015
Definitions Work Group Agenda - August 22, 2014
Definitions Work Group Agenda - August 22, 2014
https://ecology.wa.gov/definitions-work-group-agenda-august-22-2014
Definitions Work Group Agenda - December 16, 2014
Definitions Work Group Agenda - December 16, 2014
https://ecology.wa.gov/definitions-work-group-agenda-december-16-2014
Definitions Work Group Agenda - December 2, 2014
Definitions Work Group Agenda - December 2, 2014
https://ecology.wa.gov/definitions-work-group-agenda-december-2-2014
Definitions Work Group Agenda - February 18, 2015
Definitions Work Group Agenda - February 18, 2015
https://ecology.wa.gov/definitions-work-group-agenda-february-18-2015
Definitions Work Group Agenda - February 3, 2015
Definitions Work Group Agenda - February 3, 2015
https://ecology.wa.gov/definitions-work-group-agenda-february-3-2015
Definitions Work Group Agenda - January 20, 2015
Definitions Work Group Agenda - January 20, 2015
https://ecology.wa.gov/definitions-work-group-agenda-january-20-2015
Dayton Approved SMP May 2017
Shoreline Master Program that has been adopted by the local jurisdiction and Approved by Ecology
https://ecology.wa.gov/dayton-approved-smp-may-2017
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