The local units of government of this state, within the jurisdiction of which are situated inland waterways connected with or connecting the waters of the Great Lakes, or within which channels to nearby inland lakes and streams may be constructed or opened for navigation and shelter of light draft vessels, may by majority vote of their respective legislative bodies enter into contracts and agreements with the department in carrying out the purposes of this part. In addition, the public colleges and universities of the state may enter into contracts and agreements with the department in carrying out the purposes of this part.