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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Washington State Composted Materials for 2015

A document listing composting facilities in Washington, the types of materials they accept and the amount of material they processed in 2015.

https://ecology.wa.gov/washington-state-composted-materials-for-2015

Draft 2021-2025 Section 309 Assessment & Strategy

Every five years, states and territories are encouraged to conduct self-assessments of their coastal management programs to determine problems and enhancement opportunities within each of the nine enhancement areas—and to assess the effectiveness of existing management efforts to address identified problems.

https://ecology.wa.gov/washington-coastal-zone-management-section-309-ass

Waste tire business licenses

This is a list of licensed waste tire businesses in Washington.

https://ecology.wa.gov/waste-tire-business-list-072519

Washington compost facilities and material types 2017

This is a spreadsheet listing Washington's composting facilities, the types of material they accept, and the quantities they handle.

https://ecology.wa.gov/washington-compost-facilities-and-material-types-2

WasteCharacterization2015-16

Washington's 2015-2016 waste characterization study samples landfills from across the state to estimate overall solid waste composition.

https://ecology.wa.gov/washington-waste-characterization-2015-2016

WasteCharacterization2020-2021

Washington's 2020-2021 waste characterization study samples landfills from across the state to estimate overall solid waste composition.

https://ecology.wa.gov/washington-waste-characterization-2020-2021

Waste Imported and Exported - WA

https://ecology.wa.gov/waste-imported-and-exported-wa

WA-GREET supplemental (WAC 173-424) 11-28-22

This is the final supporting documentation for WA-GREET, Washington's version of the Greenhouse Gases, Regulated Emissions, and Energy Use in Technologies Model.

https://ecology.wa.gov/wa-greet-supplemental-wac-173-424-11-28-22

WA-GREET supplemental (WAC 173-424) 07-15-22

This is the July 15, 2022 supporting documentation for WA-GREET, Washington's version of the Greenhouse Gases, Regulated Emissions, and Energy Use in Technologies Model.

https://ecology.wa.gov/wa-greet-supplemental-wac-173-424-07-15-22

Washington GREET model (WAC 173-424) 11-28-22

This spreadsheet is the Washington GREET model, fuel carbon intensity calculator for Clean Fuels Program, November 28, 2022.

https://ecology.wa.gov/washington-greet-model-wac-173-424-11-28-22

Washington GREET model (WAC 173-424) 07-15-22

This spreadsheet is the Washington GREET model, fuel carbon intensity calculator for Clean Fuels Program, July 15, 2022.

https://ecology.wa.gov/washington-greet-model-wac-173-424-07-15-22

Washington State RiskMAP 2016 Business Plan

This 2016 business plan details how Ecology plans to meet the goals of the Federal Emergency Management Agency's (FEMA) Risk MAP Program and the dedicated resources needed to meet Washington's unique and growing need for natural hazard information.

https://ecology.wa.gov/washington-state-riskmap-2016-business-plan

Washington State Marinas with Marine Oil Recycling

Find a local marina with oil recycling for your boat fuel

https://ecology.wa.gov/washington-state-marinas-with-marine-oil-recycling

Washington State RiskMAP 2016 Strategic Plan

This 2016 Strategic Plan compliments the 2016 Business Plan by detailing State agency involvement and what resources each agency provides to the risk map program.

https://ecology.wa.gov/washington-state-riskmap-2016-strategic-plan

Washington Tank Waste Consent Decree

Amended Consent Decree Between Dept. of Energy and State of Washington.

https://ecology.wa.gov/washington-tank-waste-consent-decree

Waste composition trends data

Excel file showing disposed MSW breakdown (recyclable and non-recyclable) in Washington - based on 1992, 2003 and 2009 waste composition studies.

https://ecology.wa.gov/wastecomptrendsdata

Wahkiakum County SMP August 5 1992

Wahkiakum County SMP including limited amendment of August 1992

https://ecology.wa.gov/wahkiakumcountysmp

Wapato Approved SMP - Yakima County Regional SMP January 2010

Shoreline Master Program that has been adopted by the local jurisdiction and Approved by Ecology

https://ecology.wa.gov/wapato-approved-smp-yakima-county-regional-smp-j

WasteGenerationAndRecovery-2021

This is Solid Waste Managment's public dataset covering waste generation, recycling, and recovery quantities in 2021.

https://ecology.wa.gov/wastegenerationandrecovery-2021-updated-3-19-24