§ 53.01. 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.(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 (mg/l).

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 domestic and commercial preparation, cooking, and dispensing of food, and from the handling, storage, and sale of produce.

INDUSTRIAL WASTES. The liquid wastes from industrial manufacturing processes, trade, or business as distinct from sanitary sewage. The liquid waste or liquid-borne waste resulting from any commercial, manufacturing, or industrial operation or process.

INSPECTOR. The person or persons duly authorized by the city, through its City Council, 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 groundwater.

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 have been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in the 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 BUILDING DRAIN. The part of the lowest horizontal piping of the sanitary drainage system inside the walls of any building, which receives the discharge from soil or waste stacks and branches and conveys the same to a point three feet outside the building walls where it connects with its respective building sewer.

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.

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 any ground, surface and stormwaters 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.

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 (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 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 flow of water occurs, either continuously or intermittently.

(1985 Code, § 6-7-1) (Ord. 5-1973, passed 11-13-1973; Ord. 9-1984, passed - -1984)