For the purpose of this subchapter the following definitions shall apply unless the context clearly indicates or requires a different meaning.
"BOARD." The Board of Public Works and Safety of the city, or any duly authorized officials acting in its behalf.
"BOD (BIOCHEMICAL OXYGEN DEMAND)." This shall mean the quantity of dissolved oxygen in milligrams per liter required during stabilization of the decomposable organic matter by aerobic biochemical action under standard laboratory procedures for five days at 20° C. The laboratory determinations shall be made in accordance with procedures set forth in the latest edition of "Standard Methods".
"CITY." The city, acting by and through the Board of Public Works and Safety.
"DEBT SERVICE COSTS." The average annual principal and interest payments on all outstanding revenue bonds or other long-term capital debt.
"EXCESSIVE STRENGTH SURCHARGES." An additional charge which is billed to users for treating sewage wastes with an average strength in excess of "normal domestic sewage."
"INDUSTRIAL WASTES." The wastewater discharges from industrial, trade, or business processes as distinct from employee wastes from sanitary conveniences.
"NPDES (NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM) PERMIT."National Pollutant Discharge Elimination System permit which sets the conditions for the discharge of any pollutant or combination of pollutants to the navigable waters of the United states pursuant to Section 402 of PL 95-217.
"NORMAL DOMESTIC SEWAGE."
(1) For the purpose of determining surcharges, wastewater or sewage having an average daily concentration as follows:
(a) Phosphorous not more than ten milligrams per
liter.
(b) BOD not more than 200 milligrams per liter.
(c) S.S. not more than 250 milligrams per liter.
(d) Oil and grease not more than 100 milligrams per liter.
(2) As defined by origin, wastewaters from segregated domestic or sanitary conveniences as distinct from wastes from industrial processes.
"OPERATION AND MAINTENANCE COSTS." All costs, direct and indirect, necessary to provide adequate wastewater collection, transport, and treatment on a continuing basis and produce discharges to receiving waters that conform with all related federal, state, and local requirements. (These costs include replacement.)
"OTHER SERVICE CHARGES." Tap charges, connection charges, area charges, and other identifiable charges, other than user charges, debt service charges, and excessive strength surcharges.
"PERSON." Any and all persons, natural or artificial, including any individual, firm, company, municipal or private corporation, association, society, institution, enterprise, governmental agency, or other entity.
"REPLACEMENT COSTS." The expenditures for obtaining and installing equipment, accessories, or appurtenances which are necessary during the service life of the sewage works equipment to maintain the capacity and performance for which such works were designed and constructed.
"S.S. (OR SUSPENDED SOLIDS)." The solids which either float on the surface of, or are in suspension in water, sewage, or other liquid, and which are removable by laboratory filtration. Their concentration shall be expressed in milligrams per liter. Quantitative determinations shall be made in accordance with procedures set forth in the latest edition of "Standard Methods".
"SEWAGE." The water carried wastes from residences, business buildings, institutions, and industrial establishments, singular or in any combination, together with such ground, surface, and stream waters as may be present.
"SEWER INDUSTRIAL COST RECOVERY ORDINANCE." A separate and companion enactment to this subchapter, which provides for recovery from industrial users of the sewage works of a portion of the federal grant amount allocable to the construction of sewage facilities for treating industrial waste pursuant to Section 204(b) of PL 95-217 and 40 CFR Part 35.928.
"USER CHARGE." A charge levied on users of the wastewater treatment works for the cost of operation and maintenance of such works pursuant to Section 204(b) of Public Law 92-500.
"USER CLASS." The division of wastewater treatment customers by source, function, waste characteristics, and process or discharge similarities (such as, residential, commercial, industrial, institutional, and governmental in the user charge system and as industrial and non-industrial in the industrial cost recovery system).
(1) "COMMERCIAL USER." Any establishment involved in a commercial enterprise, business, or service which, based on a determination by the city, discharges primarily segregated domestic wastes or wastes from sanitary conveniences.
(2) "GOVERNMENTAL USER." Any federal, state, or local governmental user of the wastewater treatment works.
(3) "INDUSTRIAL USER." Any manufacturing or processing facility that discharges industrial waste to a publicly-owned treatment works.
(4) "INSTITUTIONAL USER." Any establishment involved in a social, charitable, religious, or educational function which, based on a determination by the city, discharges primarily segregated domestic wastes or wastes from sanitary conveniences.
(5) "RESIDENTIAL USER." A user of the treatment works whose premises or building is used primarily as a residence for one or more persons, including all dwelling units, and the like.
('80 Code, § 24-87) (Ord. 2228, passed 5-1-78; Am. Ord. 2318, passed 10-15-79; Am. Ord. 3260, passed 3-19-01)