It is unlawful for any person to lay, place or maintain any pipe or pipes in the gutter of any street or alley in the City which are insufficient to properly carry off the water that naturally accumulates at such pipe or pipes, and the street superintendent is empowered to determine and fix the size that such pipe or pipes shall be. It shall be the duty of the owner of the property upon whose land such pipe or pipes may be to keep such pipe or pipes open and in condition to properly carry off the water that such pipe or pipes are designed to do. (Prior code § 16.6).