Washington Revised Code Title 79A. Public Recreational Lands § 79A.05.160. Police powers of designated officers employed by commission

(a) Within the boundaries of any state park, including lands owned, managed, or comanaged by the commission under lease or other agreement;

(b) In winter recreation facilities established and administered by the commission pursuant to RCW 79A.05.225(1)(a);

(c) On public roadways and public waterways bisecting the contiguous borders of any state park, including lands owned, managed, or comanaged by the commission under lease or other agreement;

(d) Upon the prior written consent of the sheriff or chief of police in whose primary territorial jurisdiction the exercise of the powers occur;

(e) In response to the request of a peace officer with enforcement authority; and

(f) When the officer is in fresh pursuit for an offense committed in the presence of the officer while the officer had police powers as specified in (a) through (e) of this subsection.