For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
B.O.D. or 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 parts per million by weight.
CAPITAL CHARGES. Those charges necessary to defray costs associated with raising capital for construction of the treatment works, including principal, interest, coverage, and reserves for contingencies.
COMMERCIAL USER. Any customer which discharges into the sewer system from a business.
INDUSTRIAL USER. Any customer other than residential which discharges sewage in excess of 200 mg/l of B.O.D. and 250 mg/l of suspended solids.
INDUSTRIAL WASTES. The liquid waste resulting from any commercial, manufacturing, or industrial operations or processes.
INSTITUTIONAL USER. Any customer which discharges into the sewer system from a governmental building, school, or other not-for-profit organization.
NORMAL SEWAGE. Sewage which, when analyzed, shows by weight a daily average of not more than 300 parts per million of suspended solids, and not more than 250 parts per million of B.O.D.
NPDES PERMIT. National Pollution Discharge Elimination System Permits as issued by the State Environmental Protection Agency for wastewater treatment facilities.
OPERATION AND MAINTENANCE. Those functions necessary to cause the treatment works to function for its intended purpose and to remain in a state of repair.
RATES. The costs for sewer service, based on water usage, which are charged to the users of the sewer system.
REPLACEMENT. Expenditures for obtaining and installing equipment, accessories, or appurtenances during the useful life of the treatment works necessary to maintain the capacity and performance for which they were designed and constructed.
RESIDENTIAL USER. Any customer which discharges into the sewer system from a home.
SANITARY SEWAGE or SEWAGE. Liquid containing a combination of water-carried wastes from residences, business buildings, and institutional and industrial establishments contributed by reason of human occupancy.
SANITARY SEWER. A sewer which carries sanitary sewage and/or industrial wastes and to which storm, surface, and ground waters are not intentionally admitted.
SEWAGE TREATMENT WORKS. The entire wastewater pollution control system, including all sanitary sewers, pumping stations, treatment facilities, and storage and disposal facilities required for collection, treatment, and disposal of wastewater.
SEWER SERVICE CHARGE. Charges for construction, operation, maintenance, and replacement of the treatment works, including user charges and capital charges.
SEWERAGE SYSTEM or SEWER SYSTEM. All facilities for collecting, pumping, and transporting sewage to the treatment facilities.
STORM SEWER or STORMWATER SEWER. A sewer built expressly for the purpose of carrying storm, surface, and ground water and to which sanitary sewage is not intentionally admitted.
SURCHARGE. An additional charge to industrial users for the treatment of sanitary sewage above normal strength.
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.
USER CHARGE. Charges levied on users of the treatment works for the cost of operation, maintenance, and replacement of such works.
(1982 Code, § 50.01) (Ord. 1941-5, passed 2-17-1941; Ord. 1989-12, passed 6-5-1989; Ord. 2013-2, passed 2-11-2013)