922.04 PROHIBITIONS.

   The following prohibitions shall apply to all Food Service Establishments:

   (a)   Discharge of wastes through food grinders and/or garbage disposal-type devices to sewer lines intended for grease interceptor/grease trap service is prohibited. An oil/grease separator is required.

   (b)   Discharge of wastes that do not require separation (i.e. urinals, toilets, wash basins, etc.) to sewer lines intended for grease interceptor/grease trap service is prohibited.

   (c)   Introduction of any additives into a Food Service Establishment's wastewater system for the purpose of emulsifying FOG or biologically/chemically treating FOG for grease remediation or as a supplement to interceptor maintenance is prohibited, unless a specific written authorization from the Director of Public Services is obtained.

   (d)   Disposal of waste cooking oil into drainage pipes connected to the City's sewage collection system is prohibited. All waste cooking oils shall be collected and stored properly in receptacles such as barrels or drums for recycling or other acceptable methods of disposal.

   (e)   Discharge of any waste including FOG and solid materials removed from the grease control device or solids interceptor to the sewer system is prohibited. Solids and/or grease removed from solids interceptors and grease control devices shall be disposed of according to all applicable regulations as part of the operation and maintenance requirements for grease interceptors. Disposal shall be properly documented through completion of a Grease Trap/Grease Interceptor/Solids Interceptor Manifest form or some other appropriate disposal manifest.

   (f)   Operation of grease interceptors with FOG and solids accumulation exceeding 25% of the design hydraulic depth of the grease interceptor (25% Rule) is prohibited.

      (Ord. 2010-184. Passed 2-14-11.)