DEP sewer use regulations excerpt, Chapter 19

NYC-WTC 000134434 CHAPTER 19—USE OF PUBLIC SEWERS $19-03 (3) Steam or wastewater above 150° F; (4) Flammable or explosive liquids, solids or gases, including but not limited to gasoline, benzene and naphtha (notwithstanding anything to the contrary contained in these regulations, under no circumstances may any such substances be discharged into the sewerage system); (5) Oil sludges; (6) Petroleum hydrocarbons, as defined in $19-01, in concentrations greater than 50 mg/L for any given time as determined by sampling the surface of the discharged wastewater or the sewage in the public sewer. However, animal fats and vegetable oils may be discharged to public sewers, provided that they do not adhere to sewer structures or appurtenances, or cause interference with sewage treatment processes. If there is evidence of such interference or adherence to sewer structures or appurtenances so as to cause blockage in the sewerage system, then, upon order of the Commis- sioner, the wastewater containing such materials must be effectively treated to remove such animal fats and vegetable oils by a process or device, such as a grease or oil interceptor, before discharge to a public sewer; (7) Coal tar, its derivatives and waste; (8) Paints and waste products from paint manufacturing which tend to clog or otherwise interfere with the operation of the sewerage system; (9) Wastewater having a pH lower than 5.0 or higher than 9.5 or having any other corrosive property likely to cause damage to structures or equip- ment of the sewerage system or create a hazard to personnel; (10) Toxic substances in such quantities, which the person kiows or has reason to know, may when discharged from a single source or in combina- tion with other sources: (i) interfere with any sewage treatment process, including sludge digestion; (ii) limit the City's options for operating its sewerage system or dis- posing of the sewage sludge, grit or scum generated at water pollution control plants; (iii) be detrimental to the health of human beings, animals, or aquatic (iv) create any adverse effect in the receiving waters; or (v) violate federal or state laws or regulations or the requirements of a discharge permit of a sewage treatment plant issued pursuant to §402 of the Federal Water Pollution Control Act, commonly referred to as the Clean Water Act, as amended, or any other permit issued pursuant to federal or state law. 319-03 TITLE 15-DEPT. OF ENVIRONMENTAL PROTECTION (iii) the discharger shall pay a sewer rent or charge equivalent to the one imposed by the Department pursuant to §24-514 of the Administra- tive Code. (2) Approvals for the discharge of groundwater into either combined or sanitary sewers, shall require, at a minimum, compliance with the following conditions: (i) the discharger shall develop and implement, pursuant to a schedule set by the Commissioner, an alternative method of disposal, unless the applicant demonstrates to the satisfaction of the Commissioner that no such alternative method of disposal exists or can be developed and implemented; (ii) the discharger shall indemnify and hold the City of New York harmless for any damage or liability incurred by the City of New York either directly, or indirectly, in the event that the discharge results in overloading the capacity of such sewer, causes a bypass away from the sewage treatment plant to which it would have otherwise flowed, or otherwise causes flooding, and shall also post and maintain such cash or sureiy bond, as may be required and will be satisfactory to the Commis- sioner and shall supply evidence of such bond when required: (iii) the discharger shall pay a sewer rent or charge equivalent to that imposed by the Department pursuant to §24-514 of the Administrative (i) A groundwater discharge permit issued by the Commissioner, unless sooner terminated or revoked; is effective for one year. The permit may be renewed by the Commissioner thereafter for additional one-year periods upon new application by the discharger. §19-03 Materials and Substances Excluded from Public Sewers. (a) Except as hereinafter provided no person shall discharge or cause to be discharged, or allow to run, leak, or escape into any public sewer, pipe, channel, pumping station, catch basins or any other sewer appurtenances, or waterway connecting with any public sewer, or into any private sewer connected with a public sewer any of the following described materials, substances or wastes except such small quantities as may be present in normal household wastes: (1) Construction materials, ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastic, wood, paunch manure, coffee grounds, fur, wax, or any solids or viscous substances capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewerage system; (2) Snow and ice at unauthorized locations; NY 9/11 Public Portal Document