The study was conducted to assess whether the PLC could operate the proposed prototype and segregate waste materials classified as metal (tin can), glass (glass jar), or plastic (plastic bottle). Electrical, electronic, and mechanical components were determined based on the requirements and compatibility of the system. The designed and programmed PLC ladder diagram was used to operate the system and then evaluated in terms of its functionality, reliability, process rate, and accuracy. After several trials, the Material Recovery Facility Sorting System using PLC was developed. It was found that all components were functional and effectively performed their respective tasks. The proposed system is functional, reliable, and accurate enough to sort waste materials according to their type (glass, metal, plastic) with a processing time of 21 seconds for tin cans, 22.46 seconds for a glass jar, 18.48 seconds for plastic bottles, and 18.51 minutes for segregating 20 kilograms of waste materials. Thus, it has the potential to reduce the unsafe and labor-intensive system in the current manual sorting process at the Material Recovery Facility situated in Brgy. Masipag, Koronadal City.