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.

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Pacific Northwest Volkswagen (VW) Zero-Emissions Vehicle (ZEV) Investment Proposal

Investment proposal for Pacific Northwest Volkswagen (VW) Zero-Emissions Vehicle (ZEV)

https://ecology.wa.gov/20161223pnwzevinvestmentproposal

Volkswagen (VW) Notice of Penalty - State

State Notice of Penalty for Volkswagen (VW)

https://ecology.wa.gov/07082016vwnoticeofpenalty-state

Fireplaces Certified in Washington

List of fireplaces that meet Washington standards

https://ecology.wa.gov/wood-fireplaces

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

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 - 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

Technical Support Document - Gas-Powered Emergency Generators

Technical support document for general order for gas-powered emergency electrical generators

https://ecology.wa.gov/gasemergencygeneratortsd

General Order - Perchloroethylene Dry Cleaners

General order for perchloroethylene dry cleaners using less than 2100 gallons per year

https://ecology.wa.gov/finaldry_cleaners_order

General Order - Gas-Powered Emergency Electrical Generators

General order for gas-powered emergency electrical generators

https://ecology.wa.gov/finalgas_firedgenerators_order

General Order - Auto Body Shops

General order for auto body repair and refinishing shops

https://ecology.wa.gov/genorderbodyshops

General Order - Small Water Heaters and Steam-Generating Boilers

General order for small water heaters and steam-generating boilers

https://ecology.wa.gov/smallboilerpropanediesel

Technical Support Document - Auto Body Shops

Technical support document for general order for auto body repair and refinishing shops

https://ecology.wa.gov/autobodytsd

General Order - Asphalt Plants

Amended general order for portable and stationary asphalt plants

https://ecology.wa.gov/10aq-go-01_amendment_1

Technical Support Document - Asphalt Plants

Technical support document for general order for portable and stationary asphalt plants

https://ecology.wa.gov/final_asphalt_plant_tsd