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.
WAC Chapter 173-303
Dangerous waste regulations
https://ecology.wa.gov/wac-chapter-173-303-3d9899805a920fa45a9286be0d1f7ab7
Email list: MTCA Cleanup Rule and Sediment Management Standards
Stay informed about contamination cleanup rulemakings.
https://ecology.wa.gov/email-list-mtca-cleanup-rule-and-sediment-management-standards
Email list: Nooksack adjudication
Receive our notifications related to the Nooksack adjudication.
https://ecology.wa.gov/nooksack-adjudication-f15da04c2ba4d33695de183470699fea
Hydrofluorocarbon rulemaking email notification list
Join our Hydrofluorocarbon (HFC) rulemaking email list
https://ecology.wa.gov/hydrofluorocarbon-rulemaking-email-notification-list
Public comments: Chambers Creek Regional Wastewater Treatment Plant Draft Permit
We invite your comments on the draft NPDES permit for the Chambers Creek Wastewater Treatment Plant – WA0039624.
https://ecology.wa.gov/chamberscreekcomment
Online tool: Find Your Water Resources Inventory Area (WRIA)
The statewide water resources inventory area (WRIA) tool allows people to look up their watershed or WRIA by entering an address. Knowing your WRIA can help you find information about water availability, regulations and more.
https://ecology.wa.gov/statewide-wria-finder
Email list: Zero emissions vehicles
Sign up for email updates about Zero Emissions Vehicles (Zevs).
https://ecology.wa.gov/email-list-zero-emissions-vehicles
Cleanup site: Treoil Industries
This site is a former industrial facility located in Whatcom County, near Ferndale. Ecology is facilitating a remedial investigation and feasibility study for cleaning up contaminants at the site.
https://ecology.wa.gov/cleanup-site-treoil-industries
TikTok: Learn about groundwater
Evie understood the assignment. She's right, groundwater is important for so many reasons! Over 60 percent of people in Washington rely on groundwater for their drinking water, so protecting it from pollution is key.
https://ecology.wa.gov/tiktok-learn-about-groundwater
Online tool: Find your well tag
Use this online app to find your well tag, for your WRIA 1 adjudication claims form.
https://ecology.wa.gov/online-tool-find-your-well-tag
TikTok: Flood mitigation
By partnering with local communities, Ecology has been taking preventive action to mitigate future flooding.
https://ecology.wa.gov/tiktok-flood-mitigation
Email list: Contaminated Site Register
Sign up to receive updates about contamination cleanup sites and activities. We publish this newsletter every two weeks.
https://ecology.wa.gov/email-list-contaminated-site-register
Online tool: 2024 Business Organics Management Areas (BOMA)
Map showing the areas in Washington where businesses must arrange organics management services to reduce their organic material waste.
https://ecology.wa.gov/online-tool-2024-business-organics-management-areas-boma
Publication: Sediment Cleanup User’s Manual (SCUM)
Guidance for Ecology staff, potentially liable persons, and technical consultants on how to conduct cleanup of contaminated sediment sites.
https://ecology.wa.gov/publication-sediment-cleanup-user-s-manual-scum
Publication: Methods for Producing Biochar and Advanced Biofuels in Washington State (2011)
This is the first of a series of reports exploring the use of biomass thermochemical conversion technologies to sequester carbon and to produce fuels and chemicals.
https://ecology.wa.gov/publication-methods-for-producing-biochar-and-advanced-biofuels-in-washington-state-2011
Online tool: Contaminated Sites List
Find information on contaminated sites that being investigated and cleaned up, or need to be investigated and cleaned up. Part of Cleanup and Tank Search.
https://ecology.wa.gov/online-tool-contaminated-sites-list
Online tool: No Further Action Sites List
Find sites where contamination has been cleaned up. Part of Cleanup and Tank Search.
https://ecology.wa.gov/online-tool-no-further-action-sites-list
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