No person shall deposit or cause to be deposited by introducing any of the following substances into the city's storm drainage system:

• Any domestic sewage from a septic tank or any other source
• Any external building wash-down water containing soap or detergents
• Any industrial waste
• Any pavement wash water containing soap or detergents or from wash-down of any pavement where any spills or leaks of any petroleum, toxic, hazardous substances have occurred, unless all spilled materials have been removed prior to wash-down
• Any untreated wash water from commercial car wash facilities or from any vehicle washing at new or used automobile or truck dealerships, rental agencies, truck stops, fleet maintenance, or storage facilities
• Garbage
• Used motor oil or any other petroleum product or waste