Sec. 86-35Definitions

The following words, terms, and phrases, when used in this division, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:

BOD (biochemical oxygen demand) means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20 degrees Celsius, 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.

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

Industrial wastes means the liquid wastes from industrial processes as distinct from sanitary sewage.

Natural outlet means any outlet 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 in grams per liter.

Properly shredded garbage means the wastes from the preparation, cooking, and dispensing of food that have been shredded to such 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 sewer in which all owners of abutting properties have equal rights and is controlled by public authority.

Sanitary sewer means a sewer which carries sewage and to which stormwater, surface water, and groundwater are not intentionally admitted.

Sewage means a combination of the water-carried wastes from residences, business buildings, institutions, and industrial establishments, together with such groundwater, surface water, and stormwater as may be present.

Sewage treatment plant means any arrangement of devices and structures or lagoons used for treating sewage presently owned or afterward acquired by the city.

Sewage works means all facilities for collecting, pumping, treating, and disposing of sewage.

Sewer means a pipe or conduit for carrying sewage.

Storm sewer and storm drain mean a sewer which carries stormwater and surface water and drainage, but excludes sewage and polluted industrial wastes.

Superintendent means the superintendent of utilities or his authorized deputy, agent, or representative, as designated by the city council.

Suspended solids mean 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 means a channel in which a flow of water occurs, either continuously or intermittently.