§ 51.001  DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   BOD (BIOCHEMICAL OXYGEN DEMAND).  The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20°C., expressed in parts per million by weight (or mg/l, such as, milligrams per liter of fluid).
   BUILDING DRAIN.  The part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste, and other drainage pipes inside the walls of the building and conveys it to the building sewer, beginning five feet outside the inner face of the building wall.
   BUILDING SEWER.  The extension from the building drain to the public sewer or other place of disposal.
   CLASS OF USER.  May include the following five classes:
      (1)   Domestic users who are residential users;
      (2)   Commercial users who are service and business users, whose waste strength does not exceed normal domestic waste strength;
      (3)   Industrial users, which shall mean any manufacturing or processing facility that discharges industrial wastes into a publicly-owned waste treatment works, and who are identified in Standard Industrial Classification Manual, 1972, Office of Management and Budget, under Divisions A, B, D, E, and I;
      (4)   Institutional users, such as schools, hospitals, rest homes, and the like; and
      (5)   Governmental users, such as local, state, and federal governmental agencies and divisions.
   COMBINED SEWER.  A sewer receiving both surface runoff and sewage.
   COMPATIBLE POLLUTANT.  Biochemical oxygen demand, suspended solids, pH, and fecal coliform bacteria, plus additional pollutants identified in the NPDES permit if the treatment works was designed to treat these pollutants, and in fact does remove these pollutants to a substantial degree.  The term “SUBSTANTIAL DEGREE” is not subject to precise definition, but generally contemplates removals in the order of 80% or greater.  Minor incidental removals in the order of 10% to 30% are not considered substantial.  Examples of the additional pollutants which may be considered compatible include:
      (1)   Chemical oxygen demand (COD);
      (2)   Total organic carbon;
      (3)   Phosphorus and phosphorus compounds;
      (4)   Nitrogen and nitrogen compounds; and
      (5)   Fats, oils, and greases of animal or vegetable origin (except as prohibited where these materials would interfere with the operation of the treatment works).
   DEBT SERVICE COSTS.  The average annual principal and interest payments on all outstanding revenue bonds or other long-term capital debt.
   DEPRECIATION OF REAL PROPERTY.  The annual allowance that is allocated to the original cost of real property, other than land.
   EQUIPMENT REPLACEMENT COSTS.  The cash expenditures or expense allowances set aside for the purpose of purchasing new equipment or to replace worn or obsolete equipment that is no longer operating at an accepted level of efficiency due to continued use or technological improvements.
   GARBAGE.  Solid wastes from the preparation, cooking, and dispensing of food, and from the handling, storage, and sale of produce.
   INCOMPATIBLE POLLUTANT.  Any pollutant that is not defined as a compatible pollutant, including nonbiodegradable dissolved solids.
   INDUSTRIAL WASTES.  The liquid wastes from industrial processes as distinguished from sanitary sewage.
   INSPECTOR.  The person or persons duly authorized by the town, through its Town Council, to inspect and approve the installation of building sewers and their connection to the public sewer system.
   MAJOR CONTRIBUTING INDUSTRY.  An industry that:
      (1)   Has a flow of 50,000 gallons or more per average workday;
      (2)   Has a flow greater than 5% of the flow carried by the municipal system receiving the waste;
      (3)   Has in its waste a toxic pollutant in toxic amounts as defined in standards issued under § 307(a) of Public Law 92-500, being 33 U.S.C. § 1317; or
      (4)   Has a significant impact, either singly or in combination with other contributing industries, on a treatment works or on the quality of effluent from that treatment works.
   MAY.  Is permissive.
   NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM.  The basic regulatory mechanism established by the Federal Water Pollution Control Act amendments of 1972, as supplemented by the Indiana Stream Control Law, which provides for a permit program for the control of pollutant discharges into the waters of the state.
   NATURAL OUTLET.  Any outlet into a watercourse, pond, ditch, lake, or other body of surface or ground water.
   NORMAL DOMESTIC SEWAGE.  The same meaning as defined in the SEWER INDUSTRIAL COST RECOVERY REGULATIONS of this chapter, being §§ 51.120 through 51.126.
   NPDES PERMIT.  A permit issued under the National Pollutant Discharge Elimination System for discharge of wastewater to the navigable waters of the United States pursuant to § 402 of Public Law 92-500, being 33 U.S.C. § 1342.
   OPERATION AND MAINTENANCE (O&M) COSTS.  The cash expenditures for normal operating expenses, such as wages, supplies, fuel, insurance, services, and the like.
   pH.  The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
   PERSON.  Any individual, firm, company, association, society, corporation, or group.
   PROPERLY SHREDDED GARBAGE.  The wastes from the preparation, cooking, and dispensing of food that have been shredded to such degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half inch in any dimension.
   PUBLIC SEWER.  A sewer in which all owners of abutting properties have equal rights and is controlled by public authority.
   SANITARY SEWAGE.  The wastes from toilets and other sanitary plumbing facilities.
   SANITARY SEWER.  A sewer which carries sewage and to which storm, surface, and ground waters are not intentionally admitted.
   SHALL.  Is mandatory.
   SERVICE LIFE.  A period of 15 years for equipment and 50 years for real property, other than land.
   SEWAGE.  A combination of the water-carried wastes from residences, business buildings, institutions, and industrial establishments, together with those ground, surface, and storm waters as may be present.
   SEWAGE TREATMENT PLANT.  Any arrangement of devices and structures used for treating sewage.
   SEWAGE WORKS.  All facilities for collecting, pumping, treating, and disposing of sewage.
   SEWER.  A pipe or conduit for carrying sewage.
   SEWER INDUSTRIAL COST RECOVERY REGULATIONS.  A subchapter of this chapter, being §§ 51.126 through 51.126, which provides for recovery from industrial users of the sewage works a portion of the federal grant amount allocable to the construction of sewage facilities for treating industrial waste.
   SEWER USE REGULATIONS.  A subchapter of this chapter, being §§ 51.080 through 51.088, which regulates the connection to and use of public and private sewers.
   STORM DRAIN.  A sewer which carries storm and surface waters and drainage, but excludes sewage and polluted industrial wastes.
   STORM SEWER.  A sewer which carries storm and surface waters and drainage, but excludes sewage and polluted industrial wastes.
   SUPERINTENDENT.  The Superintendent of the municipal sewage works of the town or an authorized deputy, agent, or representative.
   SUSPENDED SOLIDS (SS).  Solids that either float on the surface of, or are in suspension in water, sewage, or other liquids, and which are removable by laboratory filtering.
   USEFUL LIFE.  A period of 15 years for equipment and 50 years for real property, other than land.
   USER CHARGE.  A charge levied on users of the wastewater treatment works for the cost of operation and maintenance of those works pursuant to § 204(b) of Public Law 92-500, being 33 U.S.C. § 1284.
   WATERCOURSE.  A channel in which a flow of water occurs, either continuously or intermittently.
(1995 Code, § 51.001) (Ord. 1976-1, passed 3-18-1975; Ord. 1976-3, passed 2-19-1976)