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.
Bonneville Power Administration TSD permit (PDF)
A permit issued in 2011 allowing the Bonneville Power Administration to treat, store and dispose of dangerous waste.
https://ecology.wa.gov/bonneville-power-administration-tsd-permit
Certificate of compliance: PFAS in food packaging 2024
This is the certificate of compliance for food packaging manufacturers for items regulated as of May 2024.
https://ecology.wa.gov/certificate-of-compliance-2024
Certificate of compliance 2023
Manufacturers that produce food packaging sold in Washington must fill out a Certificate of Compliance to show they meet the PFAS in food packaging rules
https://ecology.wa.gov/certificate-of-compliance-2023
SPWA Sept 25 webinar materials
This is the PowerPoint presentation for the webinar conducted on Sept. 25, 2024 for WAC 173-339.
https://ecology.wa.gov/sept-25-webinar-materials
Publication index: Mercury information
List of links to documents related to mercury.
https://ecology.wa.gov/mercury
Publication index: Per- and Poly-fluorinated Alkyl Substances (PFAS)
List of links to documents and posters about PFAS
https://ecology.wa.gov/per-and-poly-fluorinated-alkyl-substances-pfas
Publication index: Polychlorinated Biphenyls (PCBs)
List of links to documents and posters about polychlorinated biphenyls (PCBs)
https://ecology.wa.gov/polychlorinated-biphenyls-pcbs
Industrial Section Permits
Links to all permits issued by Ecology's Industrial Section for air, water and waste at paper mills, refineries and chemical plants.
https://ecology.wa.gov/industrial-permits
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