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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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

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