1. Where greases are a by-product of food preparation and/or cleanup, reasonable efforts shall be made to separate fats and grease into a separate container for proper disposal. Greases, other than those contained in water from washing cooking utensils, appliances, dishware, cookware and such, shall not be discharged to any drains or grease traps/interceptors. Such greases shall be placed in a container designed to hold such waste and either utilized by industry or disposed of at suitable locations.
2. None of the following agents shall be placed directly or mixed with grease and placed into a grease trap/interceptor, or into any drain that leads to the trap/interceptor:
A. Liquifiers.
B. Any substance that may cause excessive foaming in the sewer system.
C. Any substance capable of passing the solid or semi-solid contents of the grease trap/interceptor to the sewer system.
3. The influent to grease traps/interceptors shall not exceed 140ºF.
4. Toilets, urinals, and other similar fixtures shall not discharge through a grease trap/interceptor.
5. No food waste disposal unit or dishwasher shall be connected to or discharged into any grease trap/interceptor.
6. Sewer lines or pipes discharging into a grease trap or interceptor shall only be from grease-laden sources.
7. Sanitary wastes shall not be connected to sewer lines intended for grease trap/interceptor service.
8. Wastewater discharge concentration of greases from subject grease interceptor, grease trap or approved alternative pretreatment technology to the sewer system shall not exceed 325 milligrams per liter, as defined by method EPA test method 1664 or 275 milligrams per liter, as identified by method EPA test method 413.
9. Discharge from any FSE into the sewer system shall be subject to the quality standards established for the PTOW to which it flows and the provisions of Parts 6, 7 and 8 of this Chapter 18, as appropriate.
(Ord. 516, 6/1/2011; as amended by Ord. 583, 11/16/2016)