For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BOD (DENOTING 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.
BUILDING DRAIN. Includes 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 (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.
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.
NATURAL DOMESTIC WASTEWATER. Wastewater that has BOD concentration of not more than 250 mg/l and a suspended solids concentration of not more than 250 mg/l.
NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake or other body of surface or groundwater.
OPERATION AND MAINTENANCE. All expenditures during the useful life of the treatment works for materials, labor, utilities and other items which are necessary for managing and maintaining the sewage works to achieve the capacity and performance for which such works were designed and constructed.
PERSON. Any individual, firm, company, association, society, corporation or group.
pH. The logarithm of the reciprocal of the 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 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.
REPLACEMENT. Expenditures for obtaining and installing equipment, accessories or appurtenances which are necessary during the useful life of the treatment works to maintain the capacity and performance for which such works were designed and constructed. The term operation and maintenance includes REPLACEMENT.
RESIDENTIAL CONTRIBUTOR. Any contributor to the municipality’s treatment works whose lot, parcel of real estate or building is used for domestic dwelling purposes only.
SANITARY SEWER. A sewer in which all owners of abutting properties have equal rights, and is controlled by public authority.
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.
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 five 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.
SUPERINTENDENT. The Utilities Superintendent of the City of Arapahoe, or his or her authorized deputy, agent or representative.
SUSPENDED SOLIDS. Includes solids that either float on the surface of, or are in suspension in water, sewage or other liquids, and are removable by filtering.
TREATMENT WORKS. Any devices and systems for the storage, treatment, recycling and reclamation of municipal sewage, domestic sewage or liquid industrial wastes. These include intercepting sewers, outfall sewers, sewage collection systems, individual systems, pumping, power and other equipment and their appurtenances; extensions improvement, remodeling, additions and alterations thereof; elements essential to provide a reliable recycled supply such as standby treatment units and clear well facilities; and any works, or any other method or system for preventing, abating, reducing, storing, treating, separating or disposing of municipal waste or industrial waste, including waste in combined stormwater and sanitary sewer systems.
USEFUL LIFE. The estimated period during which a treatment works will be operated.
USER CHARGE. The portion of the total wastewater service charge which is levied in a proportional and adequate manner for the cost of operation, maintenance and replacement of the wastewater treatment works.
WATER METER. A water volume measuring and recording device, furnished and/or installed by the city or furnished and/or installed by a user and approved by the city.
WATERCOURSE. A channel in which a flow of water occurs, either continuously or intermittently.
(1997 Code, § 3-202)