For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates, or requires, a different meaning.
BOD (BIOCHEMICAL OXYGEN DEMAND). The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20C, expressed in milligrams per liter, or parts per million.
BUILDING DRAIN. The 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 (one and one-half meters) 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.
CONTRIBUTOR. Any person responsible for the production of domestic, commercial, or industrial waste which is directly or indirectly discharged into the utility sewer system.
GARBAGE. Solid wastes from the domestic and commercial preparation, cooking, and dispensing of food, and from the handling, storage, and sales of produce.
INDUSTRIAL PARK. The West Dubuque Industrial Park.
INDUSTRIAL WASTES. The liquid wastes from industrial manufacturing processes, trade, or business as distinct from sanitary sewage.
INSPECTOR. The person duly authorized by the city to inspect and approve the installation of building sewers and their connections to the utility sewer system; and to inspect such sewage as may be discharged therefrom.
NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, or other body of surface or groundwater.
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 waste from the preparation, cooking, or dispensing of food that has 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 (1.27 centimeters) in any dimension.
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 or 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 such 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.
SLUDGE. 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 of 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 Superintendent of Sewage Works and/or of Water Pollution Control of the city, or the SUPERINTENDENT’S authorized deputy, agent, or representative, or a person authorized by the City Council.
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.
THE UTILITY. The owner of the industrial park sanitary sewer system originally owned and installed by the Dubuque Area Industrial Development Corporation.
UTILITY SEWER. A sewer in which all owners of abutting properties have equal rights, and is controlled by the utility.
WATERCOURSE. A channel in which a flow of water occurs, either continuously or intermittently.
(Prior Code, § 6-2-2) (Ord. 89-05, passed 9-12-1989; Ord. 03-04, passed 9-9-2003)
Statutory reference
Definition of “building drain,” and “building sewer,” see I.A.C. § 567-69.3(1)