921.11  REQUIREMENTS FOR SEWER CONNECTIONS.
   The written permission to construct a house sewer or to make a connection to a public sewer shall specify the permissible use of such house sewer and connection and such specifications shall be governed by the following requirements:
   (a)   Sewage, including wastes from water closets, urinals, lavatories, sinks, bathtubs, showers, laundries, cellar floor drains, garage floor drains, bars, soda fountains, cuspidors, refrigerator drips, drinking fountains, stable floor drains and other objectionable wastes, shall be discharged into a sanitary or combined sewer and in no case into a storm water sewer.
   (b)   Industrial waste shall not be discharged into a storm water sewer but may be discharged into a sanitary sewer if the waste is of such character that it is not detrimental to the sewer system or to the sewage treatment works.  Where such waste is detrimental to the sewer system or to the sewage treatment works, it shall be otherwise disposed of in a manner approved by the Board of Health, or so improved in character as not to be detrimental to the sewer system or the sewage treatment works.
   (c)   Surface water, rain water from roofs, subsoil drainage, building foundation drainage, cistern overflow, clean water from condensers, waste water from water motors and elevators, and any other clean and unobjectionable waste water, shall be discharged into a storm water or combined sewer and in no case into a sanitary sewer.
   (d)   Connection with a cesspool or a privy vault shall not be made into a sanitary, combined or storm water sewer.
   (e)   A trap for the interception of grease and oil shall be provided on a connection from a hotel, restaurant, club or institutional kitchen and from a public garage or automobile washing station.  Such trap shall be satisfactory to the Building Commissioner.
   (f)   No person shall connect a house sewer or trap to the sewer system for the purpose of discharging into it any waste or drainage water prohibited by the provisions of this section.  Any existing connection in violation of this subsection shall be abandoned and removed.
(Ord. 4215.  Passed 4-6-25.)