Iowa Code § 28A.20
The authority may apply for and receive a grant or loan of moneys or other financial aid from the state or federal government or from any state or federal agency, department, bureau, or board, necessary or useful for the undertaking, performance, or execution of any of its corporate objectives or purposes, and the authority may undertake the acquisition, establishment, construction, development, expansion, extension, or improvement of metropolitan facilities within its corporate limits or within or upon any body of water within the corporate limits aided by, in cooperation with, or as a joint enterprise with the state or federal governments or with the aid of, or in cooperation with, or as a joint project with the state and federal governments. The authority shall assure, in compliance with any state or federal requirements or directives, that the proceeds of a state or federal grant, loan, or other financial assistance for the provision of facilities or services are used for the express purpose of the financial assistance and to the specific benefit of service areas or persons as designated by the local, state, or federal funding provider.
Iowa Code § 28A.20
91 Acts, ch 198, §19