Wis. Stat. § 48.58: County children’s home in populous counties.

Any existing county children’s home in counties with a population of 750,000 or more may do any of the following:

(2) Provide care for children in need of protection or services, and delinquent juveniles referred by the county department under s. 46.215, if the delinquent juveniles are placed in separate facilities;

(3) Provide temporary shelter care for children in need of protection or services and delinquent juveniles; provided that the delinquent juveniles are placed in separate facilities.

(4) Provide temporary shelter care for children taken into custody under s. 48.19 or 938.19.

(5) Provide temporary shelter care for children placed in the county children’s home under a voluntary agreement under s. 48.63 (1) (b).