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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Eastern Washington Agricultural Burn Zone Map

Map for agricultural burn zones in Eastern Washington

https://ecology.wa.gov/eastern-washington-agricultural-burn-zone-map

Franklin County Agricultural Burn Zone Map

Map for agricultural burn zones in Franklin County

https://ecology.wa.gov/franklin-ag-burn-zone-map

Grant County Agricultural Burn Zone Map

Map for agricultural burn zones in Grant County

https://ecology.wa.gov/grant-ag-burn-zone-map

Walla Walla County Agricultural Burn Zone Map

Map for agricultural burn zones in Walla Walla County

https://ecology.wa.gov/walla-walla-ag-burn-zone-map

Whitman County Agricultural Burn Zone Map

Map for agricultural burn zones in Whitman County

https://ecology.wa.gov/whitman-ag-burn-zone-map

Alternatives to Agricultural Burning

A guide to help eliminate or reduce the need to burn.

https://ecology.wa.gov/200411alternativestoagburning

20230816ColvilleAQA

This is August 16, 2023 air quality advisory for the Colville Reservation.

https://ecology.wa.gov/20230816colvilleaqa

20231103ColvilleBurnBan

This is November 3, 2023 burn ban for the Colville Reservation.

https://ecology.wa.gov/20231103colvilleburnban

Bale Burn BMP

This is the best management practice (BMP) for bale burns, valid through June 30, 2025.

https://ecology.wa.gov/20240701balebmp

Cereal Grain BMP

This is the best management practice (BMP) for cereal grain, valid through June 30, 2025.

https://ecology.wa.gov/20240701cerealbmp

Non-Cereal BMP

This is the best management practice (BMP) for non-cereal grain, valid through June 30, 2025.

https://ecology.wa.gov/20240701noncerealbmp

Orchard crops BMP

This is the best management practice (BMP) for orchard crops, valid through June 30, 2025.

https://ecology.wa.gov/20240701orchardbmp

Non-orchard pile BMP

This is the best management practice (BMP) for non-orchard pile, valid through June 30, 2025.

https://ecology.wa.gov/20240701pilebmp

Spot BMP

This is the best management practice (BMP) for spot burns, valid through June 30, 2025.

https://ecology.wa.gov/20240701spotbmp

Fireplaces that meet Washington standards, February 2023

This is the February 2023 list of fireplaces that meet Washington standards.

https://ecology.wa.gov/202302fireplaces

Wood-fired furnaces that meet Washington standards, August 19, 2022

This is the August 19, 2022 list of wood-fired furnaces that meet Washington standards.

https://ecology.wa.gov/20220819woodfurnaces

Wood-fired hydronic heaters that meet Washington standards, October 1, 2024

This is the October 1, 2024 list of wood-fired hydronic heaters that meet Washington standards.

https://ecology.wa.gov/20241001hydronicheaters

Rulemaking Announcement (WAC 173-448) 10-10-24

This is a rulemaking announcement (CR-101) for WAC 173-448, Air Quality in Overburdened Communities.

https://ecology.wa.gov/rulemaking-announcement-wac-173-448-10-10-24

Technical Support Document - Small Water Heaters and Steam-Generating Boilers

Technical support document for general order for small water heaters and steam-generating boilers

https://ecology.wa.gov/genorder_boiler_background

Technical Support Document - Perchloroethylene Dry Cleaners

Technical supplement document for general order for perchloroethylene dry cleaners using less than 2100 gallons per year

https://ecology.wa.gov/drycleanerengineerstsd