A county may:
(1) acquire, construct, improve, enlarge, repair, operate, and maintain all or part of one or more solid waste disposal systems;
(2) contract with a person to collect, transport, handle, store, or dispose of solid waste for that person;
(3) contract with a person to purchase or sell, by installments for a term considered desirable, all or part of a solid waste disposal system;
(4) enter into an operating agreement with a person, for the terms and on the conditions considered desirable, for the operation of all or part of a solid waste disposal system by that person or by the county; and
(5) lease to or from a person, for the term and on the conditions considered desirable, all or part of a solid waste disposal system.