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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Allowed-banned

This is a PDF table showing details of bags that are allowed and bags that are banned in Washington.

https://ecology.wa.gov/allowed-banned-bags

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

Preliminary Draft Revised WAC 173-331 12/02/15

This is a preliminary draft of the rule that stakeholders were asked to comment on

https://ecology.wa.gov/rulemaking-announcement-wac-173-331-12-02-15-1

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

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

Adopted rule language (WAC 173-910) 08/23/16

Thsi is adopted rule language for WAC 173-910 Mercury-Containing Lights Product Stewardship Program.

https://ecology.wa.gov/adopted-rule-language-wac-173-910-08-23-16

Citation List (WAC 173-350) 01/23/18

This is the preliminary citation list for proposed revisions to chapter 173-350 WAC - 01/23/18

https://ecology.wa.gov/citation-list-wac-173-350-01-23-18

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

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