Section 902. Supervisory Powers.--The department shall have supervision over:
(1) All State institutions;
(2) All supervised institutions;
(3) All children's institutions within this Commonwealth;
(4) All maternity homes and hospitals within this Commonwealth;
(5) Any labor or system of labor carried on in the penal, correctional or reformatory institutions of the State;
(6) Any system of reparation provided by the Commonwealth for relief from conditions caused by mine-caves, fire, flood, or other casualty, and constituting a menace to public safety and welfare;
(7) All boarding homes for children which have been licensed by the State;
(8) All institutions for adults within this Commonwealth.