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.
Chapter 173-185 WAC Rulemaking Public Hearing Presentation
Presentation for the Chapter 173-185 WAC Rulemaking Public Hearing
https://ecology.wa.gov/chapter-173-185-wac-rulemaking-public-hearing-pres
BNSF Emerson Street derailment
Press release for the BNSF Emerson Street derailment
https://ecology.wa.gov/bnsf-emerson-street-derailment
Chambers Bay BNSF train derailment press release
Press release for the Chambers Bay BNSF train derailment
https://ecology.wa.gov/chambers-bay-bnsf-train-derailment-press-release
Chambers Bay BNSF train derailment summary of findings
Summary of findings for the Chambers Bay BNSF train derailment
https://ecology.wa.gov/chambers-bay-bnsf-train-derailment-summary
Cherry Point refinery fire (1)
First press release for the Cherry Point refinery fire
https://ecology.wa.gov/cherry-point-refinery-fire-1
Cherry Point refinery fire (2)
Second press release for the Cherry Point refinery fire
https://ecology.wa.gov/cherry-point-refinery-fire-2
Cherry Point refinery fire (3)
Third press release for the Cherry Point refinery fire
https://ecology.wa.gov/cherry-point-refinery-fire-3
Commitment - Loss of Propulsion Incident
Press release for the Commitment - loss of propulsion incident
https://ecology.wa.gov/commitment-loss-of-propulsion-incident
Corpus Christi/Petrochem Supplier (1)
Captain of the Port Order
https://ecology.wa.gov/corpus-christi-petrochem-supplier-1
Corpus Christi/Petrochem Supplier (2)
Letter of interest regarding substantial threat of oil discharge
https://ecology.wa.gov/captain-of-the-port-order-2
Dalles Dam Transformer Leak (1)
U.S. Army Corps of Engineers press release - December 24, 2009
https://ecology.wa.gov/dalles-dam-transformer-leak-1
Dalles Dam Transformer Leak (2)
U.S. Army Corps of Engineers press release - January 26, 2010
https://ecology.wa.gov/dalles-dam-transformer-leak-2
Davy Crockett barge incident press release (1)
Joint Press Release - January 30, 2011 Update #2
https://ecology.wa.gov/davy-crockett-barge-incident-1
Davy Crockett barge incident press release (2)
Joint Press Release - January 31, 2011
https://ecology.wa.gov/davy-crockett-barge-incident-2
Davy Crockett barge incident press release (10)
Joint Media Packet - May 6, 2011
https://ecology.wa.gov/davy-crockett-barge-10
Class 2 Mobile Facility Response Plan Boilerplate
Instructions for Class 2 Mobile Facility Response Plan Boilerplate
https://ecology.wa.gov/class-2-mobile-facility-response-plan-boilerplate
Chapter 173-187 WAC proposed rule language
Proposed rule language for Chapter 173-187 WAC
https://ecology.wa.gov/chapter-173-187-wac-proposed-rule-language
Chapter 317-50 WAC repeal language
Repeal language for Chapter 317-50 WAC
https://ecology.wa.gov/chapter-317-50-wac-repeal-language
Chapter 317-50 WAC repeal language (WAC 317-50) 6/14/24
Repeal language for Chapter 317-50 WAC
https://ecology.wa.gov/chapter-317-50-wac-repeal-language-wac-317-50-6-14-24
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