No refuse or solids of any sort obstructive to the flow of waste water may be placed, thrown, or allowed to enter any public sewer, or allowed to remain in or on any trap or catch basin so as to obstruct the sewer. No person may injure, or break, or remove any portion of any catch basin, covering flag, gull grating, flush tank, or manhole, or any part of any sewer, nor do any act obstructing or in any way interfering with the use of any sewer or the flow of waste water through any sewer.
(Prior Code, § 50.09) Penalty, see § 50.99