UPDATE: Ecology's new website will be live on Monday morning! Our official web address will be https://ecology.wa.gov

Laws and Rules

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

> More about Ecology's laws and rules


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