Research & Data

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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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Research & Data

Use this portal to filter and search for all of our scientific information.

Research & Data icon

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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E-Cycle Local Government Toolkit
This toolkit document is intended to assist local governments in participating and promoting the E-Cycle Washington program.
https://ecology.wa.gov/localgovernmenttoolkit
Paint stewardship program plan
This is the program plan for Washington's paint stewardship organization, PaintCare.
https://ecology.wa.gov/paint-stewardship-program-plan
LightRecycle producers list Jan. 2019
This is a list of mercury light producers participating in Ecology's LightRecycle Washington program.
https://ecology.wa.gov/lightrecycle-producers-list-jan-2019
Washington Paint Stewardship Program Plan
The program plan for Washington's Paint Stewardship Program, administered by the Washington Department of Ecology.
https://ecology.wa.gov/paint-stewardship-program-plan-1
Mercury light product stewardship plan
Washington State Mercury-Containing Lights Product Stewardship Program Plan, 2021 update
https://ecology.wa.gov/mercurylightproductstewardshipplan
Mercury Lights Q & A
Questions and answers regarding sales of mercury containing lights
https://ecology.wa.gov/mercurylightsq-a
Landfill Report 2014
2014 Disposal by Landfill Type
https://ecology.wa.gov/landfill-report-2014
Landfill Report 2015
A spreadsheet showing quantities of materials collected and broken down by material type for each landfill facility.
https://ecology.wa.gov/landfillreport2015
March 29 Ecology letter to interested parties
A letter outlining the history and permitting process of biosolids application at Bio Recycling's North Ranch site.
https://ecology.wa.gov/march-29-ecology-letter-to-interested-parties
Materials composted 2010-2017
This is a spreadsheet showing the different types of material composted in Washington from 2010 to 2017, along with their amounts.
https://ecology.wa.gov/materials-composted
Part Five
Solid waste handling standars part 5
https://ecology.wa.gov/part-five
LSWFA Allocation Table
This table calculates the amount of 2023 – 2025 LSWFA funding available by county and some cities.
https://ecology.wa.gov/lswfa-allocation-table
Part Four
Solid waste handling standards part 4
https://ecology.wa.gov/part-four
Part One
Solid waste handling standards part one
https://ecology.wa.gov/part-one
MaterialsCompostedQuantityTrends-AltChart
This spreadsheet shows data on the types of materials composted in Washington, showing quantity trends over time.
https://ecology.wa.gov/materialscompostedquantitytrends-altchart
E-Cycle Logo Useage Guide
This document describes the logo usage rules and guidelines for the E-Cycle Washington program.
https://ecology.wa.gov/logouseage
SEPA Response to Public Comments - North Ranch`
Documentation of Ecology and Mason County response to public comments re new biosolids facility construction by Bio Recycling
https://ecology.wa.gov/northranchseparesponsepubliccomments
Moderate Risk Waste Work Group Agenda and Notes - September 23, 2014
Moderate Risk Waste Work Group Agenda and Notes - September 23, 2014
https://ecology.wa.gov/moderate-risk-waste-work-group-agenda-and-notes
Chapter 173-925 WAC
This is the official rule language adopted for WAC 173-925, regarding required content of recycled plastic in plastic products.
https://ecology.wa.gov/ots-copy-of-chapter-173-925-wac
Organics Management Local Government Requirements Workbook
This spreadsheet contains Ecology's workbook for local governments outlining compliance requirements for Washington's organics management laws.
https://ecology.wa.gov/organics-management-local-government-requirements-workbook
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