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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Soil report

This is a soil survey for an area near Yelm that has been proposed as a biosolids land application site.

https://ecology.wa.gov/soil-report

2018 Solid Waste Conference Agenda

Agenda for Washington Department of Ecology's 2018 Solid Waste Conference

https://ecology.wa.gov/solid-waste-conference-agenda

SoapLakeOustandingWaterLetter

This letter was sent in response to the application for Soap Lake to become an Outstanding Resource Water

https://ecology.wa.gov/soaplakeoustandingwaterletter

Building Soil

Guidelines and resources for implementing soil quality and depth BMP T5.13

https://ecology.wa.gov/soilbmp

Solid waste facilities list

This is Ecology's list of active solid waste facilities in Washington.

https://ecology.wa.gov/solid-waste-facilities-list

Soaker Tire-Wash Functional Equivallency

Ecology finds Soaker-Tire Wash system is functional equivalent to BMP C106 (Wheel Wash) for stormwater management.

https://ecology.wa.gov/soakerwheelwashfunctionallyequivalent

Songa Hua press release - March 1, 2007, at 10:00 am

Press release for March 1, 2007, at 10:00 am

https://ecology.wa.gov/songa-hua-1

City of Snohomish Inventory and Characterization

This report characterizes shoreline conditions and provides a basis for revising SMP goals, policies, and regulations.

https://ecology.wa.gov/snoiac

City of Snohomish Locally Adopted SMP

A Shoreline Master Program adopted by a city or county but not yet formally approved by Ecology

https://ecology.wa.gov/snolocadpsmp

City of Snohomish Ordinance 2336

Official actions of elected officials to adopt or amend local policies

https://ecology.wa.gov/snoord2336

City of Snohomish Periodic Review Checklist

A checklist for local governments to use when a periodic review is due

https://ecology.wa.gov/snoperrevchklst

City of Snohomish Public Participation Plan

Document that describes how the local jurisdiction will keep the public involved in the SMP update process

https://ecology.wa.gov/snopubpartpln

City of Snohomish Restoration Plan

This plan describes opportunities to restore ecological functions.

https://ecology.wa.gov/snorestpln-pdf

City of Snohomish Shoreline Environmental Designation Map

Shoreline Environment Designation maps, which are overlays on local zoning

https://ecology.wa.gov/snosed

City of Snohomish SMP Cover Letter

A Cover letter from Snohomish County regarding their SMP Amendment submittal

https://ecology.wa.gov/snosmpcvrltr-pdf

Soap Lake Approved SMP June 2015

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

https://ecology.wa.gov/soap-lake-approved-smp-june-2015

Snohomish County 2005 CSWGP Appeal

2005 Construction Stormwater General Permit appeal from Snohomish County.

https://ecology.wa.gov/snohomishcounty

Solid Waste Facilities

This is Ecology's list of active solid waste facilities in Washington.

https://ecology.wa.gov/solid-waste-facilities

Solar panel bill request 9-17-24

This is a bill request concerning the photovoltaic module stewardship and takeback program. In it Ecology proposes to delay implementation of the solar panel takeback program.

https://ecology.wa.gov/solar-panel-bill-request-9-17-24

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