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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Antifreeze

Learn how your business can manage antifreeze and recycle spent antifreeze.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/antifreeze

Construction and demolition

Construction, demolition, and renovation companies must dispose of dangerous waste properly.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/construction-and-demolition

Dental waste

Dental offices generate dangerous waste that must be disposed of properly.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/dentists

Nicotine and cannabis waste

Learn how your business can properly handle nicotine, vape, and cannabis waste.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/nicotine-and-cannabis-waste

Designate your waste — is it dangerous?

Designation is the process of determining if a waste is dangerous waste and what the hazards are.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/designation

Prepare for an inspection

We inspect facilities to ensure they legally handle, store, and dispose of dangerous waste.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/prepare-for-an-inspection

Dispose, recycle, or treat dangerous waste

Learn how your business can properly dispose, recycle, or treat dangerous waste.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dispose-recycle-or-treat

PCBs in building materials

Learn about possible sources of polychlorinated biphenyls (PCBs) in building materials.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/construction-and-demolition/pcbs-in-buildings

Notification of dangerous waste activity

Learn how to get an EPA/State Identification (ID) Number to report your dangerous waste.

https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/notification-of-dangerous-waste

Air Liquide Hydrogen Plant, Anacortes

We regulate water and hazardous waste activities at the Air Liquide hydrogen plant in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/air-liquide

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

Recycling credits

Recycling credits may affect your Pollution Prevention Plan or the Hazardous Waste Planning Fee.

https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/dangerous-waste-annual-report/recycling-credits

Solvay Chemicals, Longview

We regulate the water and hazardous waste activities at the Solvay chemical plant in Longview.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/solvay-chemicals

Chapter 173-305 WAC

This is the rulemaking page for Chapter 173-305 WAC

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-305

Chapter 173-337 WAC – Safer Products Restrictions and Reporting

This is the rulemaking page for Chapter 173-337 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-337-may2023

Children's Safe Products Act reporting

Learn more about how to submit reports under Washington's Children's Safe Products Act (CSPA).

https://ecology.wa.gov/regulations-permits/reporting-requirements/childrens-safe-products-act-reporting

Pollution prevention services for businesses

Pollution prevention resources and technical assistance for businesses in Washington.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/pollution-prevention-services

Safer alternatives to toxic chemicals

We provide tools, training, and other resources to help you find alternatives to toxic chemicals.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/safer-alternatives

Pollution prevention (P2)

Learn about pollution prevention (P2) and how you can apply best practices to your business.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/pollution-prevention

Chapter 173-337 WAC: Safer Products Restrictions and Reporting (Cycle 1.5: PFAS)

This is the rulemaking page for Chapter 173-337 WAC

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-337-nov2023