(1) Cities shall have the power to maintain and operate solid waste collection systems. Such maintenance and operation may, by exclusive or nonexclusive means, be performed by: Employees, facilities, equipment and supplies engaged or acquired by cities;
(2) Contracts, franchises or otherwise providing maintenance and operation performed by private persons;
(3) Contracts providing for maintenance and operation performed by another unit of government;
(4) Contracts, franchises or otherwise for maintenance and operation that may provide solid waste collection for all or geographic parts of a city;
(5) Any combination of paragraphs (a), (b), (c), and (d) of this section [subsection].
(6) Upon a finding by the mayor or city manager for public safety or necessary protection of public health and welfare and property, the provisions of chapter 28, title 67, Idaho Code, shall not apply to solid waste collection, as provided herein.
(7) Before entering into such contracts, franchises or otherwise, a city may require such security for the performance thereof as it deems appropriate or may waive such undertaking.