10.06.1404: GENERAL FOGS WASTE DISCHARGE LIMITS AND REQUIREMENTS:
It shall be unlawful to discharge within SGRWRF jurisdiction, any sanitary wastewater, commercial and industrial waste, or other polluted waters, except where suitable treatment has been provided in accordance with provisions of this pretreatment chapter. The following are general requirements and prohibitions applicable to this section:
   (1)   The discharge of any substance into the sewer system that exceeds or violates general or specific prohibitions listed in section 10.06.201 is prohibited.
   (2)   The discharge into the sewer system of FOGs that may accumulate and/or cause or contribute to blockages in the sewer system, or at the sewer system lateral, except as provided herein, is prohibited.
   (3)   Installation and use of food grinders in new and/or remodeled FSEs is not recommended.
   (4)   Emulsifiers, enzymes, or degreasers shall not be added as sewer aids to any plumbing that leads to any interceptor directly or indirectly.
   (5)   The disposal of cooking oil (yellow grease) into the sewer system is prohibited. All waste cooking oils shall be collected, stored, and labeled properly in receptacles such as barrels or drums for recycling or other acceptable methods of disposal.
   (6)   The discharge of wastewater with temperatures in excess of 140°F to any FOGS control device, including interceptors and traps, is prohibited.
   (7)   The discharge of waste from toilets, urinals, washbasins, and other fixtures containing fecal materials into sewer lines intended for interceptor service, is prohibited.
   (8)   The discharge to the sewer system of any waste including FOGS and solid materials, that were otherwise removed from an interceptor or other FOGS control device, is prohibited. Wastes removed from interceptors must be hauled off and properly disposed of periodically in compliance with operation and maintenance requirements.
   (9)   Operation of an interceptor with FOGS and solids (floating + settled) accumulation, exceeding twenty-five percent (25%) of the design hydraulic depth of the interceptor, is prohibited.
   (10)   Commercial users, during regular business hours, shall provide to the pretreatment coordinator or his or her designee immediate and safe access to the users premises, FOGS handling facilities, and BMP facilities.
   (11)   The pretreatment coordinator may require visual monitoring at the expense of the commercial user to observe conditions of the user's sewer lateral and lines downstream. (Ord. 2018-19, 2018)