Research & Data

Ecology provides the high-quality science that is microscope iconthe 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.

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Research & Data

Ecology provides the high-quality science that is microscope iconthe 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.

See more about this collection...
2014 moderate risk waste report - 2014 Solid Waste Report
Moderate risk waste data from the 2014 solid waste report
Rulemaking Proposal (WAC 173-350) 1/23/18
This is a rulemaking proposal (CR-102) for WAC 173-350 Solid Waste Handling Standards
Rulemaking proposed language (WAC 173-350) 1/23/18
This is proposed rule language for WAC 173-350 Solid Waste Handling Standards.
LightRecycle Annual Report 2018
This is the 2018 annual report for Washington's mercury lights program, Washington LightRecycle.
LightRecycle Annual Report 2017
This is the 2017 annual report for Washington's mercury lights program, Washington LightRecycle.
LightRecycle Annual Report 2016
This is the 2016 annual report for Washington's mercury lights program, Washington LightRecycle.
LightRecycle Annual Report 2015
This is the 2015 annual report for Washington's mercury lights program, Washington LightRecycle.
Fertilizer Production Companies - look-up tool
Information about commercial fertilizers that are registered for distribution in the state of Washington.
Children's Safe Product Act Reported Data
Search the database of reports required from manufacturers of children's products about the presence of specific toxic chemicals of concern in their products. Products covered include toys, cosmetics, jewelry, and baby products.
Materials composted in Washington 2016
A spreadsheet of facilities showing the types and quantities of materials composted in 2016.
Moderate Risk Waste - 2013 Solid Waste Report
Moderate risk waste data from the 2013 solid waste report
Rulemaking Proposal WAC 173-350 01/23/18
This is the information the agency filed with the Office of the Code Reviser on January 23, 2018 to formally propose amendments to Chapter 173-350 WAC - Solid Waste Handling Standards
Preliminary Draft Rule Text (PDF)
Read the text of the rule with proposed changes highlighted.
Waste 2 Resources Advisory Committee Roster
Current membership roster for the Waste 2 Resources Advisory Committee
Washington LightRecycle 2017 Program Plan
This is the 2017 update to Washington's LightRecycle Program Plan.
LightRecycle Annual Report 2019
This is the 2019 annual report for Washington's mercury lights program, Washington LightRecycle.
Waste Generation and Recovery 2017
This spreadsheet shows Washington Department of Ecology's 2017 data on waste generation and recovery in the state.
DWRulemakingInformationalWebinar
Informational webinar for the draft dangerous waste rule changes
Scientific services
We offer scientific services to support environmental work and inquiry for projects funded through public dollars. We provide accurate, credible, and defensible analyses using the latest accredited methods.
Rulemaking at Ecology
Ecology has delegated federal and state authority to implement and enforce various environmental laws and rules. We accomplish this through our open and public rulemaking process.
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