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.
Worldwide Response Resource List (WRRL) Database info-graphic text
Info-graphic text for the Worldwide Response Resource List (WRRL) screenshot
https://ecology.wa.gov/wrrl-database-info-graphic-text
Worst Case Drill Cycle
Find the schedule of drills for each plan holder (drill location), drill cycle, date of next Worst Case Drill, and location of last drill.
https://ecology.wa.gov/worst-case-drill-cycle
Ecology's contained-in determination policy memo
Ecology's policy about contained-in determinations.
https://ecology.wa.gov/contained-in-determination-memo
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
ZB Barge Incident press release
Press release for the ZB Barge Incident
https://ecology.wa.gov/zb-barge-incident
Crosswalk of State and Federal Regulations (WAC 173-360A) 06/30/23
This document identifies each state fund requirement in the proposed amendment of WAC 173-360A, Underground Storage Tank Regulations, and the corresponding requirement in the current federal regulations.
https://ecology.wa.gov/crosswalk-of-state-and-federal-regulations
Adopted rule language (WAC 173-360A) 09/--/23
This is adopted rule language for WAC 173-360A, Underground Storage Tank (UST) Regulations.
https://ecology.wa.gov/adopted-rule-language-wac-173-360a-09-23
Workshop #4 Slides_Dec. 7, 2024
Slides for Workshop #4 on Dec. 7, 2024
https://ecology.wa.gov/workshop-4-slides_dec-7-2024
Workshop #7 Slides_May 14, 2024
Slides for Workshop #7 on May 14, 2024
https://ecology.wa.gov/workshop-7-slides_may-14-2024
Workshop #8 Slides_Tribal workshop
Slides for Workshop #8_Tribal workshop
https://ecology.wa.gov/workshop-8-slides_tribal-workshop
Workshop #11 Slides - Tribal
Tribal slides for Workshop #11
https://ecology.wa.gov/workshop-11-slides-tribal
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