(a) 
All hotels, restaurants, boarding houses or other public cooking places must have suitable grease traps, the size and design of which shall be sufficient to allow the grease to congeal and be retained by the grease trap before any water from the kitchen or receptacles of water containing grease shall be discharged into the city sewer. It shall be unlawful for any person or establishment to dispose of waters containing grease from any such establishment into the city sewer without having made provision for the grease trap required by this article.
(b) 
This section shall not apply to bed and breakfast establishments which do not provide food services to their customers throughout the day but only serve a meal incidental to and as part of the rental of the boarding facility.
(1990 Code, sec. 24-86)
All automotive repair shops must have suitable sand traps, the size and design of which shall be sufficient to allow any grease or oil to congeal and be retained by the sand trap before any water containing any such grease or oil from such establishment shall be discharged into city sewer. It shall be unlawful for any person or establishment to dispose of waters containing grease or oil from any such establishment into the city sewer without having made provision for the sand trap required by this section.
(1990 Code, sec. 24-87)
It shall be unlawful for any person to throw or deposit or cause or allow anyone under such person’s control to throw or deposit, in any city sewer or in any vessel or receptacle connected with any city sewer, any garbage, storm drainage, hair, ashes, fruit or vegetable peelings or table scraps not processed through a garbage disposal unit, rags, cotton, cinders, oils, greases, toxic wastes in excess of state specified limits or any other matter whatsoever, except liquids for human consumption, water used for domestic purposes, feces, urine and the necessary toilet tissue.
(1990 Code, sec. 24-88)
The city wastewater department superintendent or the city health authority or representative of either shall have the power to stop and prevent discharge into any sewer line of the city of any substance, including but not limited to grease or oil, liable to injure any sewer of the city or to obstruct the flow of sewage therein, or to interfere with the operation of the sewage disposal plant of the city.
(1990 Code, sec. 24-89)
The city wastewater department superintendent or his representative shall have the right to inspect the premises of any establishments regulated by this article to ensure compliance. If any establishment is found to be in violation, written or personal notice shall be provided to the owner or representative of the owner of such establishment stating the violation and the character of the repairs or improvements necessary to come into compliance. If necessary repairs or improvements have not been made within ten (10) days of receipt of such notice then the city wastewater department superintendent or his representative may condemn such property as being unsanitary and unfit for human habitation, and terminate city utilities to such establishment.
(1990 Code, sec. 24-90)