(1) It is the purpose of Sections 21-25-51 through 21-25-59 to permit the governing authorities of any municipality and a rural water association operating within the corporate limits of the municipality to make the most efficient use of their powers in upgrading their respective water systems for the purpose of improving local fire protection by enabling them to cooperate and to contract with each other on a basis of mutual advantage and thereby provide services and facilities in a manner that will accord best with geographic, economic, population and other factors influencing the needs and development of the fire protection of local communities.
(2) The governing authorities of any municipality may enter into an interlocal agreement with any rural water association operating within the corporate limits of the municipality for the purpose of constructing, new construction or upgrading the water system of the municipality or the water association, or both, for the purpose of improving the fire protection of the municipality.