(a) Installation Requirements. All existing, proposed, or newly remodeled Food Service Facilities that are tied onto our sanitary sewer lines service area shall be required to install, at the user's expense, an approved, properly operated and maintained grease trap.
(b) Sanitary Sewer Flows. Sanitary sewer flows from toilets, urinals, lavatories, etc. shall not be discharged into the grease trap. These flows shall be conveyed separately to the sanitary sewer service lateral.
(c) Floor Drains. Only floor drains which discharge or have the potential to discharge grease shall be connected to a grease trap.
(d) Garbage Grinders/Disposers. It is recommended that solid food waste products be disposed of through normal solid waste/garbage disposal means. If a grinder/disposal is used, it must be connected to the grease trap. The use of grinders is discouraged since it decreases the operational capacity of the grease trap and will require an increase pumping frequency to ensure continuous and effective operation.
(e) Dishwashers. Commercial dishwashers must be connected to the grease trap. Dishwashers discharge soap and hot water which can melt grease and allow it to pass through an undersized grease trap. Traps must be sized accordingly to allow enough detention time to allow water to cool and grease to solidify and float to the top of the trap.
(f) Location. Grease traps shall be installed outside the building upstream from the sanitary sewer service lateral connection. This will allow easy access for inspection, cleaning, and removal of the intercepted grease at any time. A grease trap may not be installed inside any part of a building without written approval by the SWWTP.
(g) Pass Through Limits. No user shall allow wastewater discharge concentration from grease trap to exceed 100 MgPL (milligrams per liter) as identified by EPA method 413.
(Ord. 5-8-17.)