For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BOD or 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.
BOARD. The City's Utility Service Board, if it has the authority to operate the sewer department. The Board of Works, if there is no Utility Service Board or if the Utility Service Board does not have the authority to operate the sewer department.
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 two 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.
COLLECTION SYSTEM. The sanitary sewers, combined sewers and all other devices and structures used to collect and transfer sewage to the wastewater treatment plant.
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 duly authorized by the city through its 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.
OWNER. The person named on the Deed of Record for the property receiving sewer service.
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 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, and is controlled by public authority.
SANITARY SEWER. A sewer which carried sewage and to which storm, surface and ground waters are not intentionally admitted.
SEWAGE. A combination of 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 or WASTE WATER TREATMENT PLANT. A facility designed to treat sewage coming from sanitary or combined system.
SEWAGE WORKS. Sewage treatment plants; intercepting sewers; main sewers; submain sewers; local sewers; lateral sewers; outfall sewers; storm sewers; force main; pumping stations; ejector stations; any other structures necessary of useful for the collection, treatment, purification, and sanitary disposal of the liquid waste, solid waste, sewage, storm drainage, and other drainage of a municipality.
SEWER. For sanitary sewers— a pipe or conduit for carrying a sewage. For storm sewers— a pipe, conduit, drain, ditch or channel for carrying storm and surface waters and drainage.
SEWER DEPARTMENT. The department of city government responsible for the operation of the wastewater treatment plant and the sewage collection 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 SEWER or STORM DRAIN. A sewer which carries storm and surface waters and drainage, but excludes sewage and polluted industrial wastes.
STORMWATER SYSTEM. All constructed facilities, structures and natural watercourses used for collecting and conducting storm and surface waters to, through and from drainage areas to a point of final outlet into a river. A stormwater system shall include, but not be limited to, any and all of the following: inlets, conduits and appurtenant features, creeks, channels, catch basins, ditches, streams, culverts, retention or detention basins and pumping stations collecting or conducting stormwater.
SUPERINTENDENT. The Superintendent of Municipal Sewage Works of the city, or his 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.
('71 Code, § 51.01) (Ord. 1278, passed 7-27-65; Am. Ord. 5-76, passed 7-12-76)