Mich. Comp. Laws § 791.220f

Sec. 20f. (1) A correctional facility constructed after the effective date of this section shall be constructed in compliance with at least 1 of the following requirements: (a) A distance of not less than 300 feet exists between each adjacent residential dwelling and any part of the correctional facility or grounds that is within the security perimeter. (b) A buffer zone is constructed between the correctional facility and all adjacent residential dwellings. The buffer zone shall be designed to block sight and to block or reduce sound, and may consist of an earth berm or trees or other plants, or materials that would have a substantially similar effect. A fence does not meet the requirements of this subdivision. (2) As used in this section, "correctional facility" means any facility that houses prisoners under the jurisdiction of the department, but does not include a halfway house, community corrections center, or community residential home.