Mich. Comp. Laws § 45.592

Sec. 12. (1) A county may acquire tangible or intangible property, rights, or processes, within its corporate limits, for a solid waste system by purchase, grant, assignment, construction, lease, gift, devise, or condemnation and may hold, manage, control, sell, grant, assign, exchange, or lease the property, rights, or processes. For the purpose of condemnation, the county may proceed as provided in section 16. (2) A county may acquire tangible or intangible property, rights, or processes outside its corporate limits for a solid waste system by purchase, grant, assignment, construction, lease, gift, or devise, but only if the acquisition is consistent with the solid waste management plan of the county in which the property, rights, or processes are located. Following the acquisition, the county may hold, manage, control, sell, grant, assign, exchange, or lease the property, rights, or processes.