This act is additional and supplemental to all other statutes and acts of the state, authorizing and regulating the construction and maintenance of bridges, dams and other obstructions in, over and across the navigable rivers of the state: Provided, This act shall not be construed as depriving any person, private corporation or municipality of any existing rights, or relieving any person, private or municipal corporation from liability under existing laws, for flooding or otherwise injuring private property by the constructing, repairing or maintaining of any dam or bridge or other obstruction.
K.S.A. 68-1506