Agreements for cooperative financing of service facilities or for use, lease or joint operation of service facilities. (1) The district may enter into agreements with any city, any county, the federal government, the state or any of its agencies, any district organized for a public purpose or any person for a period not to exceed 30 years for the cooperative financing of the construction, maintenance and operation of service facilities

(2) The district may enter into agreements with any county, city, district organized for a public purpose or person for the use, lease or joint operation of any service facilities, or any portion thereof. [1955 c.685 §16; 1963 c.515 §21; 1973 c.785 §23]