Wash. Rev. Code § 13.04.116
(1) A juvenile shall not be confined in a jail or holding facility for adults, except:
(c) For a juvenile who is subject to exclusive adult criminal court jurisdiction under RCW 13.04.030 or who has been transferred to adult criminal court under RCW 13.40.110, the juvenile may not be held in a jail or holding facility for a period exceeding twenty-four hours excluding weekends and holidays, unless a court finds, after a hearing and in writing, that it is in the interest of justice.
(i) If a court determines that it is in the interest of justice to permit a juvenile who is subject to exclusive adult criminal court jurisdiction under RCW 13.04.030 or who has been transferred to adult criminal court under RCW 13.40.110 to be held in a jail or holding facility, the juvenile may not have sight or sound contact with adult inmates, unless the court also finds, after a hearing and in writing, that it is in the interest of justice to permit sight or sound contact with adult inmates. In making the determination regarding sight or sound contact with adult inmates under this subsection, the court shall consider:
(ii) If a court determines that it is in the interest of justice to permit a juvenile who is subject to exclusive adult criminal court jurisdiction under RCW 13.04.030 or who has been transferred to adult criminal court under RCW 13.40.110 to be held in a jail or holding facility or have sight or sound contact with adult inmates under this section:
(B) The juvenile shall not be held in any jail or holding facility or permitted to have sight or sound contact with adult inmates, for more than one hundred eighty days, unless:
(2) The department shall monitor and enforce compliance with this section. The department may use information regarding juveniles confined in a jail gathered under the authority granted by this subsection in the report required in RCW 13.22.060(1) with respect to juveniles in the custody of a jail or holding facility. A detention facility and a governing unit for a jail or holding facility must provide assistance to the department in gathering information regarding juveniles confined in a jail or holding facility. This information must include:
(4) For purposes of this section, the following definitions apply:
[ 2020 c 333 s 8; 2017 3rd sp.s. c 6 s 603; 1987 c 462 s 1; 1985 c 50 s 1.]
Effective date—2017 3rd sp.s. c 6 ss 601-631, 701-728, and 804: See note following RCW 13.04.011.
Conflict with federal requirements—2017 3rd sp.s. c 6: See RCW 43.216.908.
Effective dates—1987 c 462: "This act is necessary for the immediate preservation of the public peace, health, and safety, the support of the state government and its existing public institutions. Sections 15 and 21 of this act shall take effect immediately. Sections 1 through 11 and sections 16, 17, 22 and 23 of this act shall take effect January 1, 1988." [ 1987 c 462 s 24.]
Places of detention: Chapter 13.16 RCW.
Transfer of juvenile to department of corrections facility: RCW 13.40.280.