B.O.D. 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 milligrams per liter 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.
BUSINESS UNIT. Each separate business located on any parcel of real estate for which unit there are separate sanitary sewage facilities. Two or more businesses operating in the same building which share sanitary sewage facilities shall be deemed one business unit. However, two or more businesses operating in the same building, each of which has its own sanitary sewage facilities, shall be considered as two or more separate business units.
DWELLING UNIT. The term DWELLING UNIT is synonymous with the term household unit and shall mean a room or rooms or any other space or spaces in which cooking facilities are provided. It shall include each separate trailer located upon any parcel of real estate, each separate apartment located in any apartment building, and each separate housekeeping room located in any residence.
GARBAGE. Solid wastes from the preparation, cooking, and dispensing of food, and from the handling, storage, and sale of produce.
(1) 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 1/2-inch in any dimension.
INDUSTRIAL WASTES. The liquid waste resulting from any commercial, manufacturing, or industrial operation or process, except uncontaminated and unpolluted water, as distinguished from sanitary sewage.
INSPECTOR. The person or persons 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.
pH. The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
SEWAGE. A combination of the water-carried wastes from residences, business buildings, institutions, and industrial establishments, together with any ground, surface, and storm waters that may be present.
(1) SANITARY SEWAGE. The waste from water closets, urinals, lavatories, sinks, bathtubs, showers, household laundries, basement drains, garage floor drains, bars, soda fountains, cuspidors, refrigerator drips, drinking fountains, stable floor drains, and all other water-carried wastes except industrial wastes and air-conditioning waste water.
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.
(1) BUILDING SEWER. The extension from the building drain to the public sewer or other place of disposal.
(2) COMBINED SEWER. A sewer receiving both surface runoff and sewage.
(3) PUBLIC SEWER. A sewer in which all owners of abutting properties have equal rights, and which is controlled by public authority.
(4) SANITARY SEWER. A sewer which carries sewage and to which storm, surface, and ground waters are not intentionally admitted.
(5) 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.
(`81 Code, § 50.01) (Ord. 1571, passed 10-3-72; Am. Ord. 1678, passed 1-8-79)