Essential public facilities are defined as facilities that are "typically difficult to site, such as airports, state education facilities, state or regional transportation facilities as defined in RCW 47.06.140, state and local correctional facilities, solid waste handling facilities, and in-patient facilities including substance abuse facilities, mental health facilities, group homes, and secure community transition facilities as defined in RCW 71.09.020." (RCW 36.70A.200(1), Siting of Essential Public Facilities – Limitation on liability).