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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Brownfields funding opportunities in Washington State

Download a comprehensive list of federal and state funding and technical assistance opportunities for redeveloping brownfields in Washington.

https://ecology.wa.gov/brownfieldsfundingoverview

Eastern Washington Clean Sites Initiative accessible list of cleanup sites

The Eastern Washington Clean Sites Initiative funds cleanups to improve residents’ quality of life.

https://ecology.wa.gov/csi-sites-accessible-list

Cleanup Rule (WAC 173-340) exploratory rulemaking: 2018 comments

This document contains comments received from the public during the Exploratory Rulemaking process, from February 15 through May 11, 2018. These include comments provided through the online eComment system, by mail, by email, and on comment cards at the April 3rd listening session.

https://ecology.wa.gov/cleanuprulemakingexprulemakingcommentsthru051118

Boeing Auburn Site Map Plain Text

Plain text description of the Boeing Auburn groundwater contamination site map.

https://ecology.wa.gov/boeing-auburn-site-map-plain-text

DRAFT MTCA Disproportionate Cost Analysis Guidance

Draft guidance for choosing cleanup options using a disproportionate cost analysis.

https://ecology.wa.gov/dca-guidance

Cleanup Site: Columbia Gorge Aluminum

Hazardous cleanup site located in Goldendale, next to the Columbia River, site of the former Columbia Gorge Aluminum smelter began in 1969.

https://ecology.wa.gov/columbia-gorge-aluminum-site

Cleanup site: Mead Custodial Trust (CDC Mead)

Cleanup of groundwater near Mead that was contaminated by former Kaiser Aluminum smelting operations.

https://ecology.wa.gov/mead-custodial-trust-cdc-mead

Cleanup site: Reynolds Metals Aluminum Smelter, Longview

Cleanup near Columbia River at the site of the former Reynolds Metals aluminum smelter in Longview.

https://ecology.wa.gov/reynolds-metals-aluminum-smelter

Washington Tank Operator Training

Ecology's site-specific online training and re-certification tool.

https://ecology.wa.gov/washington-tank-operator-training

Cleanup site: Univar USA Inc Kent

Univar Kent is a cleanup site at 8201 S 212th St. in Kent (King County) with soil and groundwater contamination from waste management activities and accidental chemical releases.

https://ecology.wa.gov/cleanup-site-univar-usa-inc-kent

Industrial site: BP Cherry Point refinery

Industrial refinery that's monitored for potential releases of contaminants include metals, volatile organics, and semi-volatile organics.

https://ecology.wa.gov/bp-cherry-point-refinery

WAC Chapter 173-322

Remedial action grants and loans

https://ecology.wa.gov/wac-chapter-173-322

Email list: MTCA Cleanup Rule and Sediment Management Standards

Stay informed about contamination cleanup rulemakings.

https://ecology.wa.gov/email-list-mtca-cleanup-rule-and-sediment-management-standards

Cleanup site: Treoil Industries

This site is a former industrial facility located in Whatcom County, near Ferndale. Ecology is facilitating a remedial investigation and feasibility study for cleaning up contaminants at the site.

https://ecology.wa.gov/cleanup-site-treoil-industries

Email list: Contaminated Site Register

https://ecology.wa.gov/email-list-contaminated-site-register

Publication: Sediment Cleanup User’s Manual (SCUM)

Guidance for Ecology staff, potentially liable persons, and technical consultants on how to conduct cleanup of contaminated sediment sites.

https://ecology.wa.gov/publication-sediment-cleanup-user-s-manual-scum

Online tool: Contaminated Sites List

Find information on contaminated sites that being investigated and cleaned up, or need to be investigated and cleaned up. Part of Cleanup and Tank Search.

https://ecology.wa.gov/online-tool-contaminated-sites-list

Cleanup site: Lower Issaquah Valley PFAS cleanup sites

Ecology is working on three PFAS cleanup sites in the Lower Issaquah Valley: Eastside Fire & Rescue and Issaquah Valley Elementary School (EFR HQ IVES), Memorial Field, and Rainier Trail.

https://ecology.wa.gov/cleanup-site-lower-issaquah-valley-pfas-cleanup-sites

Cleanup site: Clean Earth LLC

Clean Earth LLC is a cleanup site at 20245 77th Ave S in Kent, formerly known as Stericycle Kent.

https://ecology.wa.gov/cleanup-site-clean-earth-llc

Email list: Brownfields

Brownfields are abandoned or underutilized properties that may have environmental contamination. Join our email list to learn more about funding and educational opportunities to help redevelop brownfields into community assets.

https://ecology.wa.gov/email-list-brownfields