Washington Revised Code Title 79A. Public Recreational Lands § 79A.55.050. Criteria for inclusion of rivers within system

(1) Is free-flowing without diversions that hinder recreational use;

(2) Has a streamway that is relatively unmodified by riprapping and other stream bank protection;

(3) Has water of sufficient quality and quantity to be deemed worthy of protection;

(4) Has a relatively natural setting and adequate open space;

(5) Requires some coordinated plan of management in order to enhance and preserve the river area; and

(6) Has some lands along its length already in public ownership, or the possibility for purchase or dedication of public access and/or scenic easements.