§ 52.002 DEFINITIONS.
   For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   BNS DIRECTOR. The Director of the Building and Neighborhood Services Department of the city or any authorized deputy, agent, or representative.
   BOD or BIOCHEMICAL OXYGEN DEMAND. The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures for five days at 20°C, usually expressed as a concentration (e.g., mg/l).
   BUILDING DRAIN. The part of the lowest horizontal piping of a building 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 (one and one-half meters) outside the inner face of the building wall.
   BUILDING SEWER. The part of the horizontal piping from the building wall to its connection with the main sewer or the primary treatment portion of an on-site wastewater treatment and disposal system conveying the drainage of one building site.
   CITY ENGINEER. The City Engineer of the city or any authorized deputy, agent or representative.
   COD or CHEMICAL OXYGEN DEMAND. The quantity of oxygen utilized in the chemical oxidation of organic matter, expressed in milligrams per liter, as determined in accordance with standard laboratory procedure as set out in the latest edition of Standard Methods for the Examination of Water and Wastewater.
   COMBINED SEWER. A sewer originally designed and currently designated to receive both surface water run-off and sewage.
   CUSTOMER. Any person responsible for the production of domestic, commercial or industrial waste which is directly or indirectly discharged into the city’s sewer system.
   GARBAGE. Solid wastes from the domestic and commercial preparation, cooking and dispensing of food, and from the handling, storage or sale of produce, meat, fish, fowl and condemned food.
   INDUSTRIAL WASTES. The solid, liquid or gaseous wastes resulting from any industrial or manufacturing processes, trade or business, or from the development, recovery or processing of natural resources, including cooling water and the discharge from sewage pretreatment facilities.
   NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake or other body of surface or groundwater.
   LEACHATE. Free liquid that derives from the decomposition of wastes or water that has come in contact with refuse from landfills.
   ON-SITE WASTEWATER TREATMENT AND DISPOSAL SYSTEM. All equipment and devices necessary for proper conduction, collection, storage, treatment and disposal of wastewater from four or fewer dwelling units or other facilities serving the equivalent of 15 persons (1,500 gpd) or less.
   OTHER WASTES. Other substances except sewage and industrial wastes.
   PERSON. Any individual, firm, company, association, society, corporation, municipal corporation, governmental unit or group.
   pH. A measure of the acidity or alkalinity of a solution expressed in standard units.
   PROCESS WATER. Any water used in the manufacturing, preparation or production of goods, materials or food.
   PUBLIC SEWER. A sewer in which all owners of abutting properties have equal rights and is controlled by public authority.
   SANITARY SEWAGE. Sewage discharging from the sanitary conveniences of dwellings (including apartment houses and hotels), office buildings, factories or institutions, and free from storm, surface water and industrial waste.
   SANITARY SEWER. A sewer which carries sewage and to which storm, surface and groundwaters 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 or SEWAGE SYSTEM. All facilities for collecting, pumping, treating and disposing of sewage.
   SEWER. A pipe or conduit for carrying sewage.
   SEWER SERVICE CHARGES. Any and all charges, rates or fees levied against and payable by customers, as consideration for the servicing of the customers by the sewer system.
   SLUG. Any discharge of water, sewage or industrial waste which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than 15 minutes more than five times the average 24-hour concentration or flows during normal operation.
   STORM DRAIN or STORM SEWER. A sewer which carries storm and surface waters and drainage but excludes sewage and industrial wastes, other than unpolluted cooling water.
   SUPERINTENDENT. The Water Quality Superintendent of the city or any authorized deputy, agent or representative.
   SUSPENDED SOLIDS. The total suspended matter that floats on the surface of or is suspended in water, wastewater or other liquids, and which is removable by laboratory filtering.
   UNPOLLUTED WATER. Clean water uncontaminated by industrial wastes, other wastes or any substances which render water 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.
   WATERCOURSE. A channel in which a flow of water occurs, either continuously or intermittently.
(1999 Code, § 95.02) (Ord. 2289, passed 4-12-2005; Ord. 2542, passed 9-27-2016)