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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Your Y-Valve and how it works

This is a graphic explaining a Y-Valve and how it works

https://ecology.wa.gov/justine-asohmbom

Yard care poster E WA

Washington Waters Ours to Protect yard care poster E WA

https://ecology.wa.gov/yard-care-poster-e-wa

Yard care poster W WA English

Washington Waters Ours to Protect yard care poster W WA English

https://ecology.wa.gov/yard-care-poster-w-wa-english

Yard care poster W WA Spanish

Washington Waters Ours to Protect yard care poster W WA Spanish

https://ecology.wa.gov/yard-care-poster-w-wa-spanish

Emerging stormwater treatment technologies (TAPE)

We certify stormwater treatment technologies that have undergone Technology Assessment Protocol.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/emerging-stormwater-treatment-technologies

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

EPA guidance - HHW-type waste not exempt from non-household generators

View EPA guidance on exclusions from Household Hazardous Waste definitions.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/managing-moderate-risk-waste-guidance/hhw-type-waste-not-exempt-from-non-household-g-1

E-Cycle WA information for collectors

Find out if you can be a collector for the E-Cycle Washington program.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/electronics-ecycle-guidance-and-reports/collectors

Vessel information

Oil spill regulations and recommendations for vessel masters, agents, and companies.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-oil-industry/vessel-information

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

Low Impact Development (LID) guidance

Presentations, fact sheets, videos, reports, manuals, and other guidance for Low Impact Development

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/low-impact-development-guidance

Online UIC injection well registration

We provide online access to register new and existing underground injection control (UIC) wells.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/register-uic-wells-online

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

E-Cycle WA information for local governments

Certain government entities can use E-Cycle Washington to dispose of electronics for free.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/electronics-ecycle-guidance-and-reports/local-governments

Municipal stormwater permit guidance

We provide guidance for developing and implementing municipal stormwater management programs.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/municipal-stormwater-permit-guidance

E-Cycle WA information for processors

Learn how to become a processor for the E-Cycle Washington program and register to become one.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/electronics-ecycle-guidance-and-reports/processors

Records search checklist

Before buying property, use the records search checklist for due diligence and to know past uses.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/records-search-checklist

E-Cycle WA information for retailers

Retailers that sell new, covered electronic products have requirements under the E-Cycle WA program.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/electronics-ecycle-guidance-and-reports/retailers

E-Cycle WA information for transporters

Find out whether you qualify as an E-Cycle Washington transporter and what the requirements are.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/electronics-ecycle-guidance-and-reports/transporters

Primary response contractors for spill cleanup

We approve primary response contractors to allow them to be cited in industry oil plans.

https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/primary-response-contractors