§ 121. Adjustment of claims of owners of private dams. Whenever the state including the corporation in the course of the construction of the improved canals in the rivers or waterways of the state, for the purpose of obtaining a sufficient depth or supply of water for canal purposes, has utilized private dams theretofore lawfully constructed or maintained, in such a manner as to constitute the same an essential part or portion of the improved canals, the corporation may compromise, settle and adjust the claims and demands of the owners of any such dams on such terms and conditions, including the payment to the owners of any such dams of such sums of money as to it may seem just and proper, and, by contract or otherwise, make proper provision with respect to the ownership of and for the maintenance and upkeep of any such dams, provided, however, that it shall not sell, transfer or convey to any such owner any right, title or interest in or to the use of any part or portion of the water impounded by such dams.