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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Environmental Covenant for MSW and Limited Purpose Landfills

This is Ecology's official form for covenants with Washington's landfills.

https://ecology.wa.gov/environmental-covenant-for-msw-and-limited-purpose

CAP Addendum for Olympic View Sanitary Landfill

This is a draft addendum to Olympic View Sanitary Landfill's Cleanup Action Plan (CAP), including revised cleanup levels for arsenic, iron, and manganese..

https://ecology.wa.gov/cap-addendum-for-olympic-view-sanitary-landfill

Fire Mountain Farms 2015 application form

2015 application for coverage under the general permit for biosolids management

https://ecology.wa.gov/2015-application-form

Fire Mountain Farms flood map

FEMA flood map for Fire Mountain Farms' proposed biosolids land application site

https://ecology.wa.gov/fire-mountain-farms-flood-map

DNS

Fire Mountain Farms determination of non-significance for biosoilds land application site

https://ecology.wa.gov/fmf-determination-of-non-significance

Fire Mountain Farms landowner agreement

Landowner consent for the application of biosolids

https://ecology.wa.gov/landowner-agreement

2022 Central Region Litter Pickup Report

2022 Ecology funded litter pickup report for the Central region.

https://ecology.wa.gov/2022-central-region-litter-pickup-report

2022 Eastern Region Litter Pickup Report

2022 Ecology funded litter pickup report for the Eastern region.

https://ecology.wa.gov/2022-eastern-region-litter-pickup-report-1

2022 Litter Pickup Summary

2022 Ecology funded litter pickup data.

https://ecology.wa.gov/2022-litter-pickup-summary

2022 Northwest Region Litter Pickup Report

2022 Ecology funded litter pickup report for the Northwest region.

https://ecology.wa.gov/2022-nw-region-litter-pickup-report

2022 Southwest Region Litter Pickup Report

2022 Ecology funded litter pickup report for the Southwest region.

https://ecology.wa.gov/2022-southwest-region-litter-pickup-report

EYC Application SWRO

This is an application for a position on an Ecology Youth Corp summer 2020 crew in Ecology's the southwest regional office.

https://ecology.wa.gov/eyc-application-swro

Consejos Para Proteger Las Cargas - Solo Texto

Solo Texto con Consejos Para Proteger Las Cargas

https://ecology.wa.gov/consejos-para-proteger-las-cargas-solo-texto

Rule Stakeholder Advisory Meeting Presentation Slides

Stakeholder Advisory Meeting Presentation

https://ecology.wa.gov/aprilrulestakeholderadvisorymtgslides

2023 Statewide Litter Summary

This is a summary of litter pick up statistics in Washington for 2023.

https://ecology.wa.gov/2023-statewide-litter-summary

2023 Southwest litter data

This is a summary of litter pick up statistics in Washington's Southwest Region, for 2023.

https://ecology.wa.gov/2023-southwest-litter-data

2023 Northwest litter data

This is a summary of litter pick up statistics in Washington's Northwest Region, for 2023.

https://ecology.wa.gov/2023-northwest-litter-data

2023 Eastern litter data

This is a summary of litter pick up statistics in Washington's Eastern Region, for 2023.

https://ecology.wa.gov/2023-eastern-litter-data

2023 Central litter data

This is a summary of litter pick up statistics in Washington's Central Region, for 2023.

https://ecology.wa.gov/2023-central-litter-data

LightRecycle Producers List 2024

This is a list of producers of mercury lights that are regulated by the Washington Department of Ecology.

https://ecology.wa.gov/lightrecycle-producers-list-2024