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.

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ECY to Pend Oreille County regarding SEPA lead request

ECY response to Pend Oreille County Commissioners' letter requesting Ecology take the lead agency role in Environmental review of PacWest Silicon’s proposal

https://ecology.wa.gov/ecy-to-po-commissoners_lead-ag_july2018

Rule Advisory Meeting Presentation

PowerPoint slides from the Rule Advisory Meeting Presentation.

https://ecology.wa.gov/rule-advisory-meeting-presentation

School Awards Application Form

Application form for the Waste Not WA School Awards

https://ecology.wa.gov/school-awards-application-form

AltChart-WasteTires

This is an .xlsx file

https://ecology.wa.gov/altchart-wastetires

Composted materials by facility

This spreadsheet lists Washington's compost facilities and the types of materials they process.

https://ecology.wa.gov/composting-facilities-and-materials

WasteCharacterization2015-16

Washington's 2015-2016 waste characterization study samples landfills from across the state to estimate overall solid waste composition.

https://ecology.wa.gov/washington-waste-characterization-2015-2016

ERO Youth Application

An application for a crew member position for the Ecology Youth Corps' 2022 summer youth crews.

https://ecology.wa.gov/ero-youth-application

SWRO Youth Application

An application for a crew member position for the Ecology Youth Corps' 2022 summer youth crews.

https://ecology.wa.gov/swro-youth-application

TV Recycling

Graphic with TVs and E-Cycle Washington information.

https://ecology.wa.gov/tv-recycling

Rulemaking Announcement (WAC 173-408) 12-08-22

This is a rulemaking announcement (CR-101) for WAC 173-408, Landfill Methane Emissions.

https://ecology.wa.gov/rulemaking-announcement-wac-173-408-12-08-22

Rulemaking-Announcement

A Preproposal Statement of Inquiry, announcing the beginning of an Ecology rulemaking on recycled content for plastic containers.

https://ecology.wa.gov/rulemaking-announcement-wac-173-925

Retail outreach tip sheet

This is a tipsheet that organizations can use for outreach to retailers about participating in Washington's Secure Loads campaign to cut litter.

https://ecology.wa.gov/retail-outreach-tip-sheet

Rule Advisory Committee Meeting Presentation 5-6-24

This is a presentation for the May 6, 2024 meeting of the Battery Stewardship Rule Advisory Committee.

https://ecology.wa.gov/rule-advisory-committee-meeting-presentation-5-6-24

WasteGenerationAndRecovery-2021

This is Solid Waste Managment's public dataset covering waste generation, recycling, and recovery quantities in 2021.

https://ecology.wa.gov/wastegenerationandrecovery-2021-updated-3-19-24

Rule Advisory Committee Meeting Agenda 6-24-24

This is the agenda for the June 24, 2024 meeting of the Battery Stewardship Rulemaking Advisory Committee.

https://ecology.wa.gov/rule-advisory-committee-meeting-agenda-6-24-24

Rule Advisory Committee Meeting Presentation 6-24-24

This is a presentation for the June 24, 2024 meeting of the Battery Stewardship Rule Advisory Committee.

https://ecology.wa.gov/rule-advisory-committee-meeting-presentation-6-24-24

6-24-24 Meeting Notes

This document contains the 6-24-24 meeting notes of the Advisory Committee on battery stewardship rulemaking in Washington.

https://ecology.wa.gov/6-24-24-meeting-notes

Solid Waste Facilities

This is Ecology's list of active solid waste facilities in Washington.

https://ecology.wa.gov/solid-waste-facilities

WA Composted Materials 2023

This is Solid Waste Management's list of Washington compost facilities and the types of materials they accept.

https://ecology.wa.gov/wa-composted-materials-2023

Solid waste & recycling data

View data on solid waste collection and recycling in Washington.

https://ecology.wa.gov/research-data/data-resources/solid-waste-recycling-data