904.03 DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   BOD (denoting 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.
   BUILDING DRAIN. That 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.
   COMBINED SEWER. A sewer receiving both surface runoff and sewage.
   GARBAGE. Solid wastes from the preparation, cooking and dispensing of food and from the handling, storage and sale of produce.
   INDUSTRIAL WASTES. The liquid wastes from industrial processes as distinct from sanitary sewage.
   NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.
   NORMAL SEWAGE. Water-carried waste products from residences, public buildings, businesses, schools or any other building or structure, including the excrementitious or other discharge from human beings or animals, together with the ground water infiltration as may be present.
   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.
   POLLUTION. The contamination of any waters so as to create a nuisance or render the waters unclean or noxious or impure so as to be actually or potentially harmful or detrimental or injurious to public health, safety or welfare to domestic, commercial, industrial or recreational use or to livestock, wild animals, birds, fish or other aquatic life.
   PROPERLY SHREDDED GARBAGE. The wastes from the preparation, cooking and dispensing of food that has been shredded to a 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 or which is controlled by public authority, or both.
   RESERVE CAPACITY. That portion of the sanitary sewer collection system which was designed and built in excess of the capacity required at the time of construction intended to accommodate future growth and development.
   SANITARY SEWER. A sewer which carries sewage and to which storm, surface and ground waters are not intentionally admitted.
   SEWAGE A combination of the water-carried wastes from residences, business buildings, institutions and industrial establishments, but not to include ground, surface and storm waters.
   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.
   SHALL, MAY. SHALL is mandatory; MAY is permissive.
   STORM SEWER or STORM DRAIN. A sewer which carries storm and surface waters and drainage, but excludes sewage and polluted industrial wastes.
   SUSPENDED SOLIDS. 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.
   WATERCOURSE. A channel in which a flow of water occurs either continuously or intermittently.
(1987 Code, § 904.03) (Ord. 64, passed 5-8-1972; Am. Ord. 68, passed 2-12-1973; Ord. 254, passed 4-13-1992)