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.
SEPA checklist guidance, Section B: Public services
Guidance for completing Public Services section of Part B of SEPA environmental checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-15-public-services
SEPA checklist guidance, Section B: Utilities
Guidance to complete Utilities section of Part B of SEPA environmental checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-16-utilities
SEPA checklist guidance, Section B: Surface water
Guidance to complete Surface water section for Part B of SEPA environmental checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-3-water/environmental-elements-surface-water
SEPA checklist guidance, Section B: Groundwater
Guidance to complete Groundwater section for Part B of SEPA environmental checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-3-water/environmental-elements-groundwater
Seismic measures for Class 1 Facilities
We amended WAC 173-180-330 and 173-180-340 in June 2023.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-oil-industry/facilities-seismic-measures
Class 1 Facility out of service and decommissioning
We amended WAC 173-180 in July 2023.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-oil-industry/facilities-out-of-service
Clean energy coordination
We provide information on how clean energy projects are sited, reviewed, and permitted.
https://ecology.wa.gov/regulations-permits/sepa/clean-energy
Clean Energy Coordinated Permit Process
We assist with pre-application discussions, environmental review and permit processes.
https://ecology.wa.gov/regulations-permits/sepa/clean-energy/clean-energy-coordinated-permit-process
Financing solid waste for the future
We have released several reports assessing solid waste funding mechanisms and potential alternatives.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/solid-waste-financing
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
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
Approved sampling and analysis procedures
Approved laboratory analysis methods for cleaning up contaminated sites.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-clean-up-tools/sampling-and-analysis-procedures
Safer cosmetics certification subsidy program
Cosmetics manufacturers can receive support to certify or reformulate products with safer ingredients.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/safer-alternatives/safer-chemicals-for-manufacturers/cosmetics-certification-subsidy-program
Safer chemicals for manufacturers
Learn how to formulate products using safer chemicals and how to design more sustainable products.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/safer-alternatives/safer-chemicals-for-manufacturers
Safer product certification subsidy program
Manufacturers can apply to receive reimbursement for costs associated with safer product certification.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/safer-alternatives/safer-chemicals-for-manufacturers/safer-product-certification-subsidy-program
Bioretention effectiveness for 6PPD and PFAS
Treatment Effectiveness of Stormwater Facility with HPBSM for Toxic Chemicals
https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/bioretention-effectiveness-for-6ppd-and-pfas
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
Changes to existing water rights
If you want to change to an existing water right, we recommend a pre-application consultation.
https://ecology.wa.gov/regulations-permits/permits-certifications/water-right-permits/changes-to-existing-water-rights
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
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