Section 451. Definitions

As used in this article, the following terms shall
  mean and include:
    1. "Sewer rents." A scale of annual charges established and imposed in
  a  city  or  village  or in a sewer or wastewater disposal district in a
  county or town pursuant to this article for the use of a sewer system or
  any part or parts thereof. Such charges may be based on either  (a)  the
  consumption  of  water  on the premises connected with and served by the
  sewer system or such part or parts thereof, (b) the number and  kind  of
  plumbing fixtures on the premises connected with and served by the sewer
  system  or  such part or parts thereof, (c) the number of persons served
  on the premises connected with and served by the sewer  system  or  such
  part  or  parts  thereof,  (d)  the  volume  and  character  of  sewage,
  industrial waste and other wastes discharged into the  sewer  system  or
  such  part  or  parts  thereof,  or  (e)  upon any other equitable basis
  determined by the local legislative body, including but not  limited  to
  any combination of the foregoing.
    2.  "Sewer  System." All sewer pipes and other appurtenances which are
  used or useful in whole or in part in connection  with  the  collection,
  treatment  or  disposal of sewage, industrial waste and other wastes and
  which are owned, operated or maintained by a city or village or a  sewer
  district  in  a  county  or  town, including sewage pumping stations and
  sewage treatment and  disposal  works  and  private  on-site  wastewater
  disposal systems, if any.
    3.  "Part."  As  used  in  relation  to the term "sewer system":   all
  lateral sewers, or all branch sewers, or all interceptor sewers, or  all
  trunk  sewers,  and any sewage treatment and disposal works, and private
  on-site  wastewater  disposal  systems,   each   part   with   necessary
  appurtenances including sewage pumping stations.
    4. "Sewage." The water-carried human or animal wastes from residences,
  buildings,  industrial  establishments,  or  other places, together with
  such ground water infiltration and surface water as may be present.  The
  admixture  with  sewage  as  above  defined of industrial waste or other
  wastes as hereafter defined, also shall be  considered  "sewage"  within
  the meaning of this article.
    5.  "Industrial  waste."  Any  liquid,  gaseous,  solid or other waste
  substance or  a  combination  thereof  resulting  from  any  process  of
  industry,  manufacturing,  trade  or business or from the development or
  recovery of any natural resources.
    6. "Other wastes." Garbage, refuse, decayed wood,  sawdust,  shavings,
  bark,  sand,  lime,  cinders, ashes, offal, oil, tar, dye stuffs, acids,
  chemicals, and all other  discarded  matter  not  sewage  or  industrial
  waste.
    7.  "Local  legislative  body."  In  cities  and  villages,  the  body
  authorized to adopt local laws pursuant to the municipal home rule  law;
  in counties, the board of supervisors and in towns, the town board.