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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Meet our team

Businesses can contact our team for non-enforcement pollution prevention (P2) technical assistance.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/pollution-prevention-services/toxics-reduction-assistance/meet-our-team

Safer products for businesses

Learn how your business can find and purchase less toxic chemicals and products.

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

Lithium-ion battery safety and management

Learn how to safely manage, store, and dispose of lithium-ion batteries.

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

Aerosol cans

Learn how your business can safely handle and dispose of aerosol cans.

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

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

Auto body shops

Learn how auto body and collision repair shops can manage common dangerous wastes.

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

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

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

Aquatic Mosquito Control General Permit

This permit allows the use of insecticides to control mosquitoes.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/aquatic-mosquito-control

Underground storage tank operator certification

Learn how to get the required underground storage tank operator certification.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/operator-certification-training

State Emergency Response Commission (SERC)

State Emergency Response Commission implements the Emergency Planning and Community Right-to Know Act

https://ecology.wa.gov/regulations-permits/reporting-requirements/emergency-planning-community-right-to-know-act/state-emergency-response-commission

Water budgets of individual local trees

This study investigates how much water trees use and may help us mitigate stormwater.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/water-budgets-of-individual-local-trees

Chapter 173-360A WAC

This is the rulemaking page for Chapter 173-360A WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-360a

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

Terrestrial Ecological Evaluations

Terrestrial Ecological Evaluations (TEEs) identify and protect native plants and animals at sites.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/terrestrial-ecological-evaluation