It shall be unlawful for any person to, carelessly or intentionally throw, sweep or place any waste paper, street sweepings, garbage, dirt, ashes, dead animal, offal or other putrescible matter, or any rubbish or refuse of any sort, into any inlet grating, manhole or other appurtenances of any sewer in the City of Olathe. Upon conviction thereof in the Olathe Municipal Court, any violator shall be subject to the penalties provided in Chapter 14.12; provided, however, that the provisions of this subsection shall not apply to matter commonly designated as sewage discharged from a house sewer into another sewer. (Ord. 10-09 § 2, 2010.)