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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A User's Guide to Compost: The Beauty of Your Lawn and Garden Blossoms from the Soil

A composting guide aimed at homeowners.

https://ecology.wa.gov/a-user-s-guide-to-compost-the-beauty-of-your-lawn

Building Soil: Guidelines and Resources for Implementing Soil Quality and Depth BMP T5.13

Best management practices for composting and soil management.

https://ecology.wa.gov/building-soil-guidelines-and-resources-for-implem

Alt chart-Biosolids quality and use 2022

This spreadsheet is an alternative version of a chart representing Washington's biosolids management.

https://ecology.wa.gov/alt-chart-biosolids-quality-and-use-2022

2012 Annual Report from WMMFA

This annual E-Cycle Washington report indicates the total CEPs collected in 2012 and the year to date total of CEPs collected. Additionally, this report breaks down the pounds collected by county and product type.

https://ecology.wa.gov/2012annualreportfromwmmfa

Biosolids_EasternWA_LandApp

This map shows locations of biosolids land application sites in Eastern Washington.

https://ecology.wa.gov/biosolids_easternwa_landapp

Biosolids_WesternWA_LandApp

This map shows locations of biosolids land application sites in Western Washington.

https://ecology.wa.gov/biosolids_westernwa_landapp

Alt chart-Biosolids quality and use 2022

This spreadsheet is an alternative version of a chart representing Washington's biosolids management.

https://ecology.wa.gov/alt-chart-biosolids-quality-and-use-2022-052aecf47b873b032b1db858be036363

SEPA checklist appendix B

This appendix lists the full text of some cited references for the SEPA checklist.

https://ecology.wa.gov/sepa-checklist-appendix-b

SEPA checklist appendix C

This appendix lists the full text of some cited references for the SEPA checklist.

https://ecology.wa.gov/sepa-checklist-appendix-c

Draft general permit for biosolids

This is the draft statewide general permit for biosolids in Washington.

https://ecology.wa.gov/draft-general-permit-for-biosolids

SEPA checklist

This is the SEPA checklist for the draft statewide biosolids general permit.

https://ecology.wa.gov/sepa-checklist-36f4934c9ee89903e7cf59127b74e49a

Rule Advisory Committee Meeting Presentation 9-23-24

This is a presentation for the September 23, 2024 meeting of the Battery Stewardship Rule Advisory Committee.

https://ecology.wa.gov/rule-advisory-committee-meeting-presentation-9-23-24

Rule Advisory Committee Meeting Notes 9-23-24

This document contains the 9-23-24 meeting notes of the Advisory Committee on battery stewardship rulemaking in Washington.

https://ecology.wa.gov/rule-advisory-committee-meeting-notes-9-23-24

Solar panel meeting presentation 9-24-24

This is a presentation from the 9-20-24 meeting on Washington's solar panels takeback program.

https://ecology.wa.gov/solar-panel-meeting-presentation-9-24-24

10-21-24 Meeting Agenda

This is the agenda for the Oct. 21, 2024 meeting of the Battery Stewardship Rulemaking Advisory Committee.

https://ecology.wa.gov/10-21-24-meeting-agenda

10-21-24 Meeting read-along document

This is a read-along document for the Oct. 21, 2024 meeting of the Battery Stewardship Rulemaking advisory committee.

https://ecology.wa.gov/10-21-24-meeting-read-along-document

Total Reclaim Audit Report

This document includes information about direct processor, Total Reclaim, and includes their annual environmental audit report. This audit verifies compliance with the performance standards for direct processors in the E-Cycle WA program.

https://ecology.wa.gov/totalreclaim2017

EWC Group Audit Report

This document includes information about direct processor, EWC Group, Inc., and includes their annual environmental audit report. This audit verifies compliance with the performance standards for direct processors in the E-Cycle WA program.

https://ecology.wa.gov/ewc_2016_audit

Electronics Recyclers International Audit Report

This document includes information about direct processor, Electronics Recyclers International, and includes their annual environmental audit report. This audit verifies compliance with the performance standards for direct processors in the E-Cycle WA program.

https://ecology.wa.gov/eriauditsummary2016

E-Waste, LLC Audit Report

This document includes information about direct processor, E-Waste, LLC, and includes their annual environmental audit report. This audit verifies compliance with the performance standards for direct processors in the E-Cycle WA program.

https://ecology.wa.gov/e-wastellcprofile2016