Counties containing more than fifty thousand inhabitants shall, and counties containing a lesser number of inhabitants may, provide and maintain at public expense, a detention room or house of detention, separated or removed from any jail, or police station, to be in charge of a matron, or other person of good character, wherein all children within the provisions of this chapter shall, when necessary, be sheltered.

Detention in facility under jurisdiction of juvenile court—Financial responsibility for cost of detention: RCW 13.34.161.