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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Treated wood waste

Treated wood waste contains toxic chemicals that your business may need to dispose of as dangerous waste.

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

Used oil

There are different requirements for businesses managing used oil and waste oil.

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

Automotive mercury switch removal program

Get paid to recycle your mercury switches from certain vehicles.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/auto-recyclers/automotive-mercury-switch-removal

Pharmaceutical waste codes

Find common waste codes for pharmaceutical waste.

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

Frequently asked questions about pharmaceutical waste

Frequently asked questions about pharmaceutical waste and our answers.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/pharmaceutical-waste/frequently-asked-questions

Pollution prevention (P2) plan

Some businesses are required to submit a pollution prevention plan to reduce hazardous substance use.

https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/pollution-prevention-plan

Local solid and hazardous waste planning

Solid and hazardous waste management plans that local governments are required to submit to us.

https://ecology.wa.gov/regulations-permits/plans-policies/washington-state-waste-plan/local-waste-planning

Solid waste facility permits

Learn which facilities are required to get solid waste permits in Washington.

https://ecology.wa.gov/regulations-permits/permits-certifications/solid-waste-permits

Dangerous waste basics

Find tools and resources to help your business learn how to manage dangerous waste properly.

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

Batteries

Batteries can be disposed as universal waste or under an exclusion for lead-acid batteries.

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

Universal waste

Learn how your business can manage certain types of dangerous waste under the Universal Waste Rule.

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

Contained-in policy for contaminated soil and groundwater

Learn how to reduce cleanup costs by requesting approval under our contained-in policy.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contained-in-determinations

Pollution prevention assistance (PPA)

Businesses can get free, non-regulatory pollution prevention help from local PPA specialists.

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