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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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

Technical Support Document (Amended) - Asphalt Plants

Amended technical support document for general order for portable and stationary asphalt plants

https://ecology.wa.gov/20110418asphaltplantstechsupport

General Order - Portable and Stationary Concrete Batch Plants

General order for portable and stationary concrete batch plants

https://ecology.wa.gov/signed_go_11aq-go-02_concrete_batch_plants

Technical Support Document - Concrete Batch Plants

Technical support document for portable and stationary concrete batch plants

https://ecology.wa.gov/portable-stationaryconcretebatchplantstsd

General Order - Portable and Stationary Rock Crushers

General order for portable and stationary rock crushers

https://ecology.wa.gov/signed_go_11aq-go-001_rock_crusher

Technical Support Document - Rock Crushers

Technical support document for general order for stationary and portable rock crushers

https://ecology.wa.gov/finaltsdstationary-portablerockcrushing

Technical Support Document - Dairy Manure Anaerobic Digesters

Technical support document for general order for dairy manure anaerobic digesters

https://ecology.wa.gov/final_tsd_12aq-go-01_digesters

General Order - Dairy Manure Anaerobic Digesters

General order for dairy manure anaerobic digesters

https://ecology.wa.gov/signed_12aq-go-01_digester

Bridge Point Tacoma – Settlement Agreement

Legal document for the agreement with Bridge Point Tacoma to help reduce air quality impacts from the South Tacoma warehouse project.

https://ecology.wa.gov/bridge-point-tacoma-settlement-agreement

Callahan Ag's general order application for a stationary rock crusher

This is the air quality general order application for a stationary rock crusher for Callahan Ag in Royal City.

https://ecology.wa.gov/20240924callahangoapp

Michael's Auto Body State Environmental Policy Act (SEPA) Checklist and Determination of Non-Significance (DNS)

This is the SEPA Determination of Non-Significance (DNS) for Michael's Auto Body in Pasco.

https://ecology.wa.gov/20240131michaelsabsepadns

Storm Seeds notice of construction (NOC) application and associated documents

This is the air quality notice of construction application and associated documents for Storm Seeds in Moses Lake.

https://ecology.wa.gov/20240823stormseedsnocapp

Storm Seeds SEPA Determination of Non-Significance (DNS)

This is the SEPA Determination of Non-Significance (DNS) for Storm Seeds.

https://ecology.wa.gov/20241108stormseedssepadns

Air monitoring network

Ecology's air monitoring network provides local air quality conditions.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/air-quality-monitoring-network

Determining if areas in Washington meet national air quality standards

We determine whether areas in Washington meet national air quality standards.

https://ecology.wa.gov/regulations-permits/plans-policies/areas-meeting-and-not-meeting-air-standards

Air quality permits

Permits for industrial air pollution and burning activities.

https://ecology.wa.gov/regulations-permits/permits-certifications/air-quality-permits

TransAlta Power Plant

The TransAlta agreement lowers harmful air pollutants from Washington's only coal-fired power plant.

https://ecology.wa.gov/regulations-permits/compliance-enforcement/transalta

Washington's air quality implementation plan

The State Implementation Plan is an overarching plan to keep Washington's air clean.

https://ecology.wa.gov/regulations-permits/plans-policies/state-implementation-plans