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

Fire Mountain Farms biosolids hearing presentation

Hearing presentation from the 2020 Fire Mountain Farms proposal to land apply biosolids at five sites in Lewis county

https://ecology.wa.gov/2020-biosolids-hearing-presentation

Fire Mountain Farms biosolids hearing presentation script

Hearing presentation script from the 2020 Fire Mountain Farms proposal to land apply biosolids at five sites in Lewis county

https://ecology.wa.gov/2020-biosolids-hearing-script

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

Agenda (WAC 173-408) 5-4-23

This is the agenda for the May 5, 2023 stakeholder meeting for Chapter 173-408 WAC, Landfill Methane Emissions.

https://ecology.wa.gov/agenda-wac-173-408-5-4-23

Port Townsend Paper Corporation Notice of Penalty

Notice of penalty for Port Townsend Paper

https://ecology.wa.gov/20221212-ptpc-nop

Agenda (WAC 173-408) 3-30-23

This is the agenda for the March 30, 2023 stakeholder meeting for Chapter 173-408 WAC, Landfill Methane Emissions.

https://ecology.wa.gov/agenda-wac-173-408-3-30-23

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

Agenda (WAC 173-408) 6-21-23

This is the agenda for the June 21, 2023 stakeholder meeting for Chapter 173-408 WAC, Landfill Methane Emissions.

https://ecology.wa.gov/agenda-wac-173-408-6-21-23

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

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

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