Regulations & Permits
Use this portal to filter and search for all of our regulatory information.
We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.
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
Technical Support Document for air quality general order for dry cleaners, May 20, 2006
This is the technical support document for the air quality general order for dry cleaners, May 20, 2006.
https://ecology.wa.gov/20060520drycleanerstsd
Air quality general order for dry cleaners, October 6, 2006
This is the air quality general order for dry cleaners, October 6, 2006.
https://ecology.wa.gov/20061006godrycleaners
Air quality general order for auto body shops
This is the air quality general order for auto body shops.
https://ecology.wa.gov/20080425gobodyshops
Technical support document supplement for air quality general order for auto body shops.
This is the technical support document supplement for the air quality general order for auto body shops.
https://ecology.wa.gov/200808bodyshopstsd
Air quality general order for asphalt plants
This is the air quality general order for asphalt plants.
https://ecology.wa.gov/20110418goasphaltplants
Technical support document for the air quality general order for asphalt plants
This is the technical support document for the air quality general order for asphalt plants.
https://ecology.wa.gov/20110418asphaltplantstsd
Air quality general order for concrete batch plants
This is the air quality general order for concrete batch plants.
https://ecology.wa.gov/20111206goconcretebatchplants
Technical support document for air quality general order for concrete batch plants, December 6, 2011
This is the technical support document for the air quality general order for concrete batch plants, December 6, 2011.
https://ecology.wa.gov/20111206concretebatchplantstsd
Air quality general order for dry cleaners, December 6, 2011
This is the air quality general order for dry cleaners, December 6, 2011.
https://ecology.wa.gov/20111206gorockcrushers
Technical Support Document for air quality general order for rock crushers, December 6, 2011
This is the technical support document for the air quality general order for rock crushers, December 6, 2011.
https://ecology.wa.gov/20111206rockcrusherstsd
Technical support document for air quality general order for dairy manure anaerobic digesters
This is the technical support document for the air quality general order for dairy manure anaerobic digesters.
https://ecology.wa.gov/201203dairydigesterstsd
Air quality general order for dairy manure anaerobic digesters
This is the air quality general order for dairy manure anaerobic digesters.
https://ecology.wa.gov/20120421godairydigesters
Auto Body Shop Surface Coating Guide, April 2020
This is the auto body shop surface coating guide, April 2020.
https://ecology.wa.gov/202004bodyshopsurfacecoat
Air quality general order for small water heaters and steam-generating boilers, August 8, 2008
This is the air quality general order for small water heaters and steam-generating boilers, August 8, 2008.
https://ecology.wa.gov/20080808goheatersboilers
2021 Areas of Concern map
2021 map showing areas of concern for criteria pollutants
https://ecology.wa.gov/20210806-aoc-map-alt
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