For the purpose of constructing, financing, maintaining, using, or operating a watershed project, a county or municipality may enter into a contract, including an obligation of repayment under applicable federal public works and economic development programs under 42 U.S.C. §§ 3161 and 3162, with:
(1) the United States or a federal agency;
(2) a public drainage association;
(3) a public watershed association; or
(4) any person or other governmental entity.