§ 51.001 DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   B.O.D. (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 innerface of the building wail.
   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 distinguished from sanitary sewage.
   INSPECTOR. The person or persons duly authorized by the city, through the Board of Public Works and Safety, to inspect and approve the installation of building sewers and their connection to the public sewer system.
   NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.
   PERSON. Any individual, firm, company, association, society, corporation or group.
   pH. The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
   PROPERLY SHREDDED GARBAGE. The wastes from the preparation, cooking and dispensing of food that has been shredded to the 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 dimension.
   PUBLIC SEWER. A sewer in which all owners of abutting properties have equal rights and is controlled by public authority.
   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, together with the 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.
   STORM SEWER or STORM DRAIN. 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 city or his or her authorized deputy, agent or representative.
   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.
(Ord. G-58-34, passed 6-18-1958)