The Illinois Department of Corrections will be hosting an open house at the brand new Joliet Treatment Center this Thursday. The center is located at the former Illinois Youth Center-Joliet on W. McDonough. The open house will take place Thursday from 3:00 p.m. to 6:00 p.m. with a program and tours being offered to the general public. The Joliet Treatment Center will serve as a treatment facility for convicted adult male felons with severe mental illness. The Illinois Youth Center-Joliet closed in 2013.