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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Recycled Content Deadlines

This spreadsheet lists the deadlines for producers to use increasingly higher percentages of recycled materials in their products.

https://ecology.wa.gov/alt-text-recycled-content-deadlines

Alt chart-Biosolids general permit process

This is a text description of the process for Washington's new general biosolids permit.

https://ecology.wa.gov/alt-chart-biosolids-general-permit-process

Biosolids quality and use 2019

This is a spreadsheet with 2019 data on biosolids use and quality in Washington.

https://ecology.wa.gov/alt-chart-biosolids-quality-and-use-2019

Disposal by facility 2016

This is a spreadsheet of disposal amounts in Washington in 2016, grouped by facility.

https://ecology.wa.gov/disposal-by-facility-2016

Biosolids facilities list

This document lists Washington's active biosolids facilities.

https://ecology.wa.gov/biosolids-facilities-list

Biosolids permit process chart

This is a timeline chart showing the steps of Ecology's process for developing the new statewide general permit for biosolids management.

https://ecology.wa.gov/biosolids-permit-process-chart

Biosolids Report Instructions FAQ

These are instructions for biosolids managers in Washington for submitting their facility's annual report.

https://ecology.wa.gov/biosolids-report-instructions-faq

Signature Delegation Authority

This is a document for biosolids facilities on how to delegate signature authority.

https://ecology.wa.gov/biosolids-signature-delegation-authority

CRO EYC application

Central Region application for summer employment with the Ecology Youth Corps.

https://ecology.wa.gov/cro-eyc-application

15 Year Anniversary Infographic

This document celebrates 15 years of the E-Cycle WA program, and includes program data and information.

https://ecology.wa.gov/10-year-anniversary-infographic

CRO Youth Application

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

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

6-9-22 PCR Rulemaking Meeting Notes

Meeting notes from the Post Consumer Resin rulemaking advisory committee.

https://ecology.wa.gov/6-9-22-pcr-rulemaking-meeting-notes

6-9-22 PCR Rulemaking Presentation

A presentation from the Post-Consumer Resin Rulemaking Advisory Committee.

https://ecology.wa.gov/6-9-22-pcr-rulemaking-presentation

LightRecycle Annual Report 2021

This is the 2021 annual report for Washington's mercury lights program, Washington LightRecycle.

https://ecology.wa.gov/annual-report-2021

2023 PPG Awards

This is a list of the awardees of the 2023 Public Participation Grants, including award amount.

https://ecology.wa.gov/2023-ppg-awards

5-6-24 Rule Advisory Committee Meeting Notes

May 6, 2024 meeting notes for the Battery Stewardship Rulemaking advisory committee.

https://ecology.wa.gov/5-6-24-meeting-notes

Disposal by County 1994-2021

This spreadsheet lists solid waste disposal data by Washington counties from 1994 to 2021

https://ecology.wa.gov/disposal-by-county-1994-2021-updated-3-19-24

Disposal by facility 2021

This spreadsheets lists 2021 data of disposal by Washington facilities.

https://ecology.wa.gov/disposal-by-facility-2021-updated-3-19-24

Annual Report 2023

The Washington State Mercury-Containing Lights Product Stewardship Program began on Jan. 1, 2015, for the collection and recycling of mercury-containing lights sold at retail. Pursuant to WAC 173-910-430, each stewardship organization must submit an annual report to the department describing the results of implementing the stewardship organization's plan for the prior calendar year.

https://ecology.wa.gov/annual-report-2023

Battery Stewardship Rule Advisory Committee 9-23-24 Meeting Agenda

This is the meeting agenda for the Battery Rulemaking Advisory Committee's Sept. 23, 2024 meeting.

https://ecology.wa.gov/9-23-24-meeting-agenda