For the purpose of this subchapter, 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 biological oxidation of organic matter, expressed in milligrams per liter, as determined in accordance with standard laboratory procedure as set out in the latest edition of Standard Methods for the Examination of Water and Wastewater.
BUILDING DRAIN. That part of the lower 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 5 feet (1.5 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, also called house connection.
COD (denoting CHEMICAL OXYGEN DEMAND). The quantity of oxygen utilized in the chemical oxidation of organic matter, expressed in milligrams per liter, as determined in accordance with standard laboratory procedure as set out in the latest edition of Standard Methods for the Examination of Water and Wastewater.
GARBAGE. Solid wastes resulting from the domestic and commercial preparation, cooking, and dispensing of food, and from the handling, storage or sale of meat, fish, fowl, fruit, vegetables, or condemned food.
INDUSTRIAL WASTES. The solid, liquid or gaseous wastes resulting from any industrial or manufacturing processes, trade or business, or from the development, recovery or processing of natural resources.
NATIONAL POLLUTION DISCHARGE ELIMINATION SYSTEM PERMIT (NPDES PERMIT). The system for issuing, conditioning and denying permits for the discharge of pollutants from point sources into the navigable waters, the contiguous zone, and the oceans by the Administrator of the Environmental Protection Agency pursuant to §§ 402 and 405 of the Federal Water Pollution Control Act Amendment 1972.
NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.
NORMAL DOMESTIC STRENGTH WASTE. Wastes with a Biological Oxygen Demand Concentration not to exceed 268 milligrams per liter and a Total Suspended Solids Concentration not to exceed 268 milligrams per liter.
OTHER WASTES. Garbage, municipal refuse, decayed wood, sawdust, shavings, bark, lime, sand, ashes, oil tar, chemicals, offal and other substances except sewage and industrial wastes.
pH. The logarithm of the reciprocal of the concentration of hydrogen ions in grams per liter of solution.
PROCESS WATER. Any water used in the manufacturing, preparation or production of goods, materials or food. PROCESS WATER is an industrial waste.
PUBLIC SEWER. Any sewer owned or operated by a unit or agency of government.
SANITARY SEWER. A sewer which carries sewage and to which storm surface, and ground water are not admitted.
SEWAGE or WASTEWATER. The water-carried waste products from residences, public buildings, institutions, industrial establishments or other buildings including the excrementitious or other discharge from the bodies of human beings or animals, together with the ground water infiltration and storm and surface water as may be present.
SEWER. A pipe or conduit for carrying sewage, industrial waste or other waste liquids.
SEWER SYSTEM. Pipe lines or conduits, pumping stations, force mains, and all other devices and appliances appurtenant thereto, used for collecting or conducting sewage, industrial wastes or other wastes to a point of ultimate disposal.
SLUG. Any discharge of water, wastewater 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 5 times the average 24-hour concentration of flows during the normal operation.
STORM SEWER (sometimes termed STORM DRAIN). A sewer which carries storm and surface water and drainage but excludes sewage and industrial wastes, other than unpolluted cooling or process water.
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, in accordance with the latest edition of Standard Methods of the Examination of Water and Wastewater.
UNPOLLUTED WATER. Clean water uncontaminated by industrial wastes, other wastes, or any substance which renders such water unclean or noxious, or impure so as to be actually or potentially harmful or detrimental or injurious to public health, safety or welfare, to domestic, commercial, industrial or recreational use, or to livestock, wild animals, birds, fish, or other aquatic life.
WASTEWATER FACILITIES. The structures, equipment and processes required to collect, carry away, and treat domestic and industrial wastes and dispose of the effluent.
WASTEWATER TREATMENT WORKS or TREATMENT WORKS. An arrangement of devices and structures for treatment of wastewater, industrial waste, and sludge. Sometimes used as synonymous for WASTE TREATMENT PLANT or WASTEWATER TREATMENT PLANT or WATER POLLUTION CONTROL PLANT or SEWAGE TREATMENT PLANT.
(Prior Code, § 3.30)