§ 27-158. Definitions.

As used in this division, unless the context specifically indicates otherwise, the following terms are defined as follows:

BOD (Denoting Biochemical Oxygen Demand): The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five (5) days at twenty (20) degrees Celsius, expressed in milligrams per liter (mg/l).

Clean Water Act: The Federal Water Pollution Control Act, also known as the Clean Water Act, as amended, 33 U.S.C. 1251 et seq.

COD (Denoting Chemical Oxygen Demand): The quantity of oxygen utilized in the chemical oxidation of the chemically oxidizable carbonaceous contents found within the wastewater sample, expressed in milligrams per liter (mg/l).

Color (true color): The color of a water solution (that has been filtered to remove all turbidity) as determined by visual comparison with a series of cobalt-platinum standard solutions.

Department: The Jefferson Parish Department of Public Utilities or their duly authorized representative.

Director: The Director of the Jefferson Parish Department of Public Utilities or his duly authorized representative.

Discharge: When used without qualification, includes any discharge of wastewater, whether discharged to the sanitary sewerage system or to the public storm drainage system, or to a private sewage disposal system or to any other natural or manmade outlet.

Discharger: Any person who discharges, or causes or permits to be discharged, any wastewater.

Domestic discharger: Any person who discharges, or causes or permits to be discharged, any domestic waste.

Domestic waste: Liquid wastes from nonindustrial sources; containing human excrement and similar matter from sanitary conveniences (e.g., toilets, sinks, washing machines, dishwashers, lavatories, bathtubs, etc.).

Effluent: Wastewater discharged into the public sanitary sewerage system, the public storm drainage system, or any other receiving stream.

Effluent limitation: A restriction or limitation on discharges of pollutants established by EPA under the Clean Water Act, as amended, and/or any other state regulations or law.

EPA: The United States Environmental Protection Agency.

Halogen: That class of inorganic chemicals which includes fluorine, chlorine, bromine and iodine.

Industrial discharger: Any person who discharges, or causes or permits to be discharged, any industrial waste.

Industrial waste: Liquid wastes resulting from industrial, manufacturing, trade or business establishments as distinct from domestic wastes.

Industry: Any individual, partnership or corporation engaged in the manufacture, packaging, processing or handling of an item of commerce for resale purposes within the parish or any such establishment outside the limits of the parish, whose discharges flow into the parish.

LWDPS (Louisiana Water Discharge Permit System): The state program for issuing, conditioning and/or denying permits for the discharge of pollutants into the waters of the state pursuant to the Louisiana Environmental Quality Act (LRS 30:1051 et seq., as amended).

Nonchemically treated cooling water: Any water used for the process of cooling machinery, equipment or devices of any kind and which has not been chemically altered by or for that process, such as but not limited to the addition of algicides, fungicides and/or corrosion inhibitors.

NPDES (National Pollutant Discharge Elimination System): The federal program for issuing, conditioning and/or denying permits for the discharge of pollutants from point sources pursuant to section 402 of the Clean Water Act.

Parish: The Parish of Jefferson, State of Louisiana.

Person: Any individual, his heirs, executors, administrators or assigns, and includes firms, partnership or corporation, its or their successors or assigns. Singular includes plural; male includes female.

pH: The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.

Private sewage disposal system: Any privately owned or operated devices, facilities, structures, equipment or works used for the purpose of transmission, storage, treatment, recycling, and reclamation of industrial and domestic waste.

Public sewer: A sewer in which all owners of abutting properties have equal rights, and is controlled by the parish.

Receiving stream: Any bayou, canal, stream, river, pond, lake or estuary into which a liquid waste ultimately flows, irrespective of intervening treatment or conveyance processes.

Sanitary sewage: Liquid wastes consisting of discharges from sinks, lavatories, water closets, bathtubs, washing machines, dishwashers and residential garbage grinders.

Sanitary sewerage system: Any devices, facilities, structures, equipment or works owned or used by the parish for the purpose of transmission, storage and treatment of sanitary sewage and any other compatible industrial and domestic waste, including intercepting sewers, outfall sewers, sewage collection systems, pumping, power, and other equipment, and their appurtenances; extensions, improvements, remodeling, additions, and alterations thereof.

Sanitary sewer: Any sewer designed to carry sanitary sewage or compatible industrial wastes or a combination of both, and to which storm water, surface water and groundwater are not intentionally admitted.

Sewage: Any combination of the water-carried wastes from residences, business buildings, institutions and industrial establishments, together with such groundwater, surface water and storm water as may be adventitiously present. Sewage includes domestic waste and acceptable industrial waste.

Sewage treatment plant: Any arrangement of devices and structures used for treating sewage.

Sewer: Any pipe or other conduit outside a building for conveying sewage.

Shall is mandatory; May is permissive.

Storm drain: Any sewer or natural or manmade drainage channel which carries storm and surface waters and drainage, but excludes sewage and industrial wastes, other than unpolluted cooling water, etc.

Storm drainage system: The system of pipes, canals, pumping stations and other equipment owned or operated by the parish or connected thereto, and designed to convey unpolluted water such as storm water, rainwater, surface water, groundwater and roof runoff to a legal point of disposal, but does not include the mains or other components of the sanitary sewerage system or a private or public sewage treatment or disposal plant.

Suspended solids: Solids that float on the surface of or are in suspension in water, sewage or other liquids, and which are removable by laboratory filtering.

Threshold odor number: Ratio of dilution of the sample of wastewater with odor-free water at which odor is just detectable.

Unsanitary: Contrary to sanitary principles; injurious to health.

Wastewater: The liquid and water discharged from dwellings, commercial buildings, industrial facilities, and institutions, together with any groundwater, surface water, and storm water that may be adventitiously present.

Other terms: Terms not otherwise defined herein shall be as adopted in the latest edition of Standard Methods for the Examination of Water and Wastewater, published by the American Public Health Association, the American Water Works Association and the Water Pollution Control Federation.

(Ord. No. 17098, § 2, 12-3-86)