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 5 days at 20°C, expressed in milligrams per liter.
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 5 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.
DIRECTOR. The Director of the Public Works Department of the city or his or her authorized deputy, agent or representative.
DWELLING UNIT. One or more rooms in a residential structure or apartment hotel, designed for occupancy by 1 family for living and sleeping purposes.
GARBAGE. Solid wastes from the domestic and commercial preparation, cooking and dispensing of food and from handling, storage and sale of produce.
INDUSTRIAL WASTES. The liquid wastes from industrial manufacturing processes, trade or business as distinct from sanitary sewage.
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.
ppm. Parts per million.
PROPERLY SHREDDED GARBAGE. The wastes from the preparation, cooking, and dispensing of food that have been shredded to such 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 the city.
SANITARY SEWER. A sewer which carries sewage and in 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.
SHALL is mandatory; MAY is permissive.
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 5 times the average 24-hour concentration or flows during normal operation.
STORM DRAIN (sometimes termed STORM SEWER). A sewer which carries storm and surface waters and drainage, but excludes sewage and industrial wastes, other than unpolluted cooling water.
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.
UNAUTHORIZED PERSON. A person not expressly given the authority by the city as described herein.
WATERCOURSE. A channel in which a flow of water occurs, either continuously or intermittently.
(1992 Code, § 51.01) (Am. Ord. 011480, passed 1-14-1980; Am. Ord. 011480B, passed 1-14-1980; Am. Ord. 2005-MC11, passed 10-24-2005)