The Walnut Grove Correctional Facility (WGCF) was established in 1990 and sits on 72 acres and has an additional 27 acres not connected to the main facility grounds. Walnut Grove is a small town in southern Leake County with a population of 1,675.

Personnel: Walnut Grove is authorized to have 161 full-time positions and no time-limited positions.

From 1996 until 2016, the facility was operated by privately owned companies. From 1996 until 2012, the facility's mission was to house youthful inmates. The facility's mission changed in 2012 when adult offenders were assigned to the location. The state closed the facility in 2016.

The Mississippi Department of Corrections (MDOC) re-opened the facility in November 2021 and houses a capacity of 1,496 inmates. The facility offers re-entry programs in addition to alcohol and drug rehabilitation, vocational training, and security threat group management.

Healthcare: Through the state’s contracted healthcare vendor, VitalCore Health Strategies provides onsite medical services to the inmates. Onsite services include, but are not limited to, emergency care, infirmary care, dental, optometry, clinical, and pharmaceutical services. Specialty care services are also available through a network of off-site contracted hospitals and specialty care providers.