62 Pa. Stat. § 2305
The local authorities of any institution district shall have the power, and for the purpose of protecting and promoting the welfare of children and youth, it shall be their duty to provide those child welfare services designed to keep children in their own home, prevent neglect, abuse and exploitation, help overcome problems that result in dependency, neglect or delinquency, to provide in foster family homes or child caring institutions adequate substitute care for any child in need of such care and, upon the request of the court, to provide such service and care for children and youth who have been adjudicated dependent, neglected or delinquent.
No child under the age of sixteen years shall, unless he is mentally or physically handicapped, and no other care is available for him, be admitted to, or maintained in, an institution conducted by the local authorities other than a hospital or sanitarium.
62 P.S. § 2305