§ 34-203. Definitions.

Unless the context specifically indicates otherwise, the meaning of terms used in this article shall be as follows:

Biochemical oxygen demand (BOD) means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20 degrees Centigrade, expressed in milligrams per liter.

Building drain means 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.

Building sewer means the extension from the building drain to the public sewer or other place of disposal, also called house connection.

Combined sewer means a sewer intended to serve as a sanitary sewer and a storm sewer, or as an industrial sewer and a storm sewer.

Easement means an acquired legal right for the specific use of land owned by others.

Floatable oil means oil, fat or grease in a physical state such that it will depurate by gravity from wastewater by treatment in an approved pretreatment facility. A wastewater shall be considered free of floatable fat if it is properly pretreated and the wastewater does not interfere with the collection system.

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

Industrial user means any nongovernmental, nonresidential user of a publicly owned treatment work which discharges more than the equivalent of 25,000 gallons per day (gpd) of sanitary wastes and which is identified in the Standard Industrial Classification Manual, 1972, Office of Management and Budget, as amended and supplemented under one of the following divisions:

(1)

Division A: Agriculture, Forestry and Fishing.

(2)

Division B: Mining.

(3)

Division D: Manufacturing.

(4)

Division E: Transportation, Communication, Electric, Gas, and Sanitary Services.

(5)

Division I: Services.

In determining the amount of a user's discharge for purposes of industrial cost recovery, the grantee may exclude domestic wastes or discharges from sanitary conveniences.

Industrial waste means that portion of the wastewater emanating from an industrial user which is not domestic waste or waste from sanitary conveniences.

Natural outlet means any outlet, including storm sewers and combined sewer overflows, into a watercourse, pond, ditch, lake or other body of surface water or groundwater.

pH means the logarithm of the reciprocal of the hydrogen-ion concentration. The concentration is the weight of hydrogen ions, in grams, per liter of solution. Neutral water, for example, has a pH value of 7 and a hydrogen-ion concentration of 10-7.

Properly shredded garbage means the wastes from the preparation, cooking and dispensing of foods 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 means a common sewer controlled by a governmental agency or public utility.

Sanitary sewer means a sewer intended to carry only sanitary or sanitary and industrial wastewaters from residences, commercial buildings, industrial plants and institutions.

Sewage means the spent water of a community.

Sewer means a pipe or conduit that carries wastewater or drainage water.

Slug means any discharge of water or wastewater 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 and shall adversely affect the collection system and/or performance of the wastewater treatment works.

Storm drain, sometimes termed "storm sewer," means a sewer intended to carry only stormwater, surface runoff, street wash waters and drainage.

Superintendent means the Superintendent of the wastewater treatment works of the city or the person's authorized representative.

Suspended solids means total suspended matter that either floats on the surface of, or is in suspension in water, wastewater or other liquids, and that is removable by laboratory filtering as prescribed in Standard Methods for the Examination of Water and Wastewater and referred to as non-filterable residue.

Unpolluted water means water of quality equal to or better than the effluent criteria in effect or water that would not cause violation of receiving water quality standards and would not be benefited by discharge to the sanitary sewers and wastewater treatment facilities provided.

Wastewater means the spent water of a community. From the standpoint of source, it may be a combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants and institutions, together with any groundwater, surface water and stormwater that may be present. The term "wastewater" means sewage.

Wastewater facilities means the structures, equipment and processes required to collect, carry away and treat domestic and industrial wastes and dispose of the effluent.

Wastewater treatment works means an arrangement of devices and structures for treating wastewater, industrial wastes and sludge. The term "wastewater treatment works" sometimes used as synonymous with "waste treatment plant" or "wastewater treatment plant" or "water pollution control plant" or "sewage treatment plant."

Watercourse means a natural or artificial channel for the passage of water either continuously or intermittently.

(Prior Code, § 70.010; Code 2006, § 13.10.1)