State Correctional Institution – Mahanoy is a 1,000 cell, all male, Medium-Security, correctional facility located along Interstate 81 in Schuylkill County, Pennsylvania.Construction of SCI-MahanoyMahanoy was one of four 1,000-bed medium-security correctional facilities constructed in Pennsylvania around the same time. The facility cost $117 Million to construct and is on a 222-acre tract of land that was originally leased by the county commissioners. Construction began in July 1991 and opened two years later.Notable inmates Mark Canty, convicted in the Murder of Lauretha Vaird David Freeman, convicted in the Freeman family murders