The City of Ankeny stormwater utility consists of all rivers, streams, creeks, branches, lakes, ponds, drainage ways, channels, ditches, swales, storm sewers, culverts, inlets, catch basins, pipes, dams, head walls and other structures, natural or man-made, within the corporate boundaries of the City which control and/or convey stormwater through which the City intentionally diverts surface waters from its public streets and properties. The City owns or has legal access for purposes of operation, maintenance and improvement to those segments of this system which (1) are located within public streets, rights-of-ways and easements; (2) are subject to easement or other permanent provision for adequate access for operation, maintenance and improvement of systems of facilities; or (3) are located on public lands to which the City has adequate access for operation, maintenance and improvement of systems or facilities. Operation, maintenance and improvement of stormwater systems and facilities which are located on private property or public property not owned by the City and for which there has been no public dedication of such systems and facilities shall be and remain the legal responsibility of the property owner, or its occupant.