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

Industrial Section Permits

Links to all permits issued by Ecology's Industrial Section for air, water and waste at paper mills, refineries and chemical plants.

https://ecology.wa.gov/industrial-permits

Boatyard General Permit

This permit protects marine waters from toxics that can get into stormwater runoff from boatyards.

https://ecology.wa.gov/regulations-permits/permits-certifications/boatyard-general-permit

Concentrated Animal Feeding Operation General Permit

Permit for operations with large numbers of livestock for long periods of time.

https://ecology.wa.gov/regulations-permits/permits-certifications/concentrated-animal-feeding-operation

Stormwater monitoring

Stormwater monitoring helps us know how well water quality permits are working.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring

Mineral prospecting and placer mining

Information from Ecology and WDFW about mineral prospecting and placer mining, and ESHB 1261.

https://ecology.wa.gov/regulations-permits/permits-certifications/mineral-prospecting-and-placer-mining

401 Water Quality Certifications for non-hydropower permits

We review projects needing federal approval to assure compliance with state water quality standards.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/non-hydropower-401-certifications

Alcoa Wenatchee

We regulate the water and hazardous waste at Alcoa's Wenatchee aluminum smelter in Malaga.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/alcoa-wenatchee

BP Refinery

We regulate water, hazardous waste, and cleanup activities at the BP Cherry Point Refinery in Blaine.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/bp-refinery

Shellfish aquaculture 401 certification

We modified our certification process for shellfish growers because of new federal requirements.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/shellfish-aquaculture

Columbia & Cowlitz Railway

We regulate the water and hazardous waste activities at the Columbia & Cowlitz Railway in Longview.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/columbia-cowlitz-railway