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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Rulemaking Proposal (WAC 173-400; WAC 173-401) 9-18-24

This is a rulemaking proposal (CR-102) for Chapter 173-400 WAC, General Regulations for Air Pollution Sources and Chapter 173-401 WAC, Operating Permit Regulation.

https://ecology.wa.gov/rulemaking-proposal-wac-173-400;-wac-173-401-9-18-24

Proposed Source Test Manual (WAC 173-400; WAC 173-401) 9-18-24

This is the proposed Source Test Manual, September 18, 2024.

https://ecology.wa.gov/proposed-source-test-manual-wac-173-400;-wac-173-401-9-18-24

Masonry heaters that meet Washington standards, October 10, 2016

This is the October 10, 2016 list of masonry heaters that meet Washington standards.

https://ecology.wa.gov/20161010masonryheaters

Exceptional Event Demonstration for the August 14, 2015 PM10 Exceedence in Kennewick

report demonstrating that high winds on August 14, 2015 overwhelmed agriculture erosion controls and contributed to elevated levels of particle pollution in Kennewick.

https://ecology.wa.gov/20150814-exceptional-event-demonstration

Columbia County Agricultural Burn Zone Map

Map for agricultural burn zones in Columbia County

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

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