No person shall discharge or cause to be discharged any stormwater, surface water, groundwater, roof runoff, subsurface drainage, cooling water or other unpolluted waters to any sanitary sewer.
A. 
Stormwater and all other unpolluted drainage shall be discharged to such storm sewers specifically designated or to a natural outlet approved by the Commissioner of Public Works.
B. 
Industrial cooling water or unpolluted process water may be discharged upon approval by the Commissioner of Public Works to a public or private storm sewer or a natural outlet.
No person, firm or corporation shall install or cause to be installed any interconnections between a potable water supply system and any drain, sewer, pipe, open tank, pressure tank, sump or vat or other structure which contains liquids, chemicals, nonpotable water, sewage or any other matter, unless such interconnection is so installed and protected in such manner as to prevent the pumpage, drainage, backflow or siphonage of such liquids, chemicals, nonpotable water, sewage or any other matter into the potable water supply system. Such interconnection shall not be subject to flooding by sewage or surface water.
No industry shall discharge any flow directly into a public sanitary sewer. All such discharge shall be through a control manhole to be located between the sidewalk and curb or location agreed upon in writing between such industry and the Commissioner of Public Works, with the written consent of either the Village of Endicott Superintendent of Public Works or the Binghamton - Johnson City Joint Sewage Board.
Grease, oil and sand interceptors shall be provided when, in the opinion of the Plumbing Inspector, they are necessary for the proper handling of liquid wastes containing grease in excessive amounts or any inflammable wastes, sand and other harmful ingredients, except that such interceptors shall not be required for private living quarters or dwelling units. All interceptors shall be of the type and capacity as approved by the Plumbing Inspector and shall be so located as to be readily and easily accessible for cleaning and inspection. Grease and oil interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature. They shall be of substantial construction and as approved by the Plumbing Inspector, watertight and equipped with removable covers which, when mounted in place, shall be gastight and watertight. All grease, oil and sand interceptors shall be maintained by the owner at his expense in continuous, efficient operation at all times.