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Laws and Rules

Links to the text of the State Environmental Policy Act (SEPA, Chapter 43.21C RCW) and associated rules are provided below:

• SEPA (Chapter 43.21C RCW) - Washington State Legislature
• SEPA Rules (Chapter 197-11 WAC) - Washington State Legislature
• SEPA Model Ordinance (Chapter 173-806 WAC) - Washington State Legislature
• SEPA Rule Revisions - Ecology's information about current and past rulemaking

> More about Ecology's laws and rules

 

For questions or comments concerning SEPA, please e-mail the SEPA Unit or call (360) 407-6922.