Unless the context specifically indicates otherwise, the meaning of terms used in this subchapter shall be as follows:
BOD
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 milligrams per liter.
COMMERCIAL USER.
Any user of the waterworks and sewerage facilities for such purpose or use as involves the provision of services or sale of goods in finished form.
COMPATIBLE POLLUTANT.
Biochemical oxygen demand, suspended solids, pH and fecal coliform bacteria, plus additional pollutants identified in the NPDES permit.
DEBT SERVICE CHARGE.
A charge levied on users of treatment works for the cost of any bond debt to be paid by revenue generated from the operation of the treatment works.
DEPRECIATION.
The decrease in the monetary value of an asset with time.
GOVERNMENTAL USER.
Any user of the waterworks and sewerage facilities for such purpose as involves the provision of services and supported principally by taxes.
INDUSTRIAL USER.
Any user of the waterworks and sewerage facilities for such purpose as involves the making, manufacture, fabrication or assembly of goods.
INDUSTRIAL WASTES.
The wastewater discharges from industrial manufacturing processes, trade or business as distinct from their employees' domestic wastes and wastes from sanitary conveniences.
INSTITUTIONAL USER.
Any user of the waterworks and sewerage facilities for such purpose;
(1) As involves industrial users that do not discharge process waste; or
(2) User classified in the Standard Industrial Classification Manual, 1972, office of management and budget as amended and supplemented, under Division I - Services, Major Group 80.
MAJOR CONTRIBUTING INDUSTRY.
An industrial user of the publicly owned treatment works that:
(1) Has a flow of 50,000 gallons or more per average work day;
(2) Has a flow greater than 5% of the flow carried by the municipal system receiving the wastes;
(3) Has in its waste, a toxic pollutant in toxic amounts as defined in standards issued under Section 307(a) of the Act;
(4) Is found by the permit issuance authority, in connection with the issuance of an NPDES permit to the publicly owned treatment works receiving the waste, to have significant impact, either singly or in combination industries, on that treatment works or upon the quality of effluent from that treatment works.
MAY.
Permissive.
MILLIGRAMS PER LITER.
A unit of the concentration of water or wastewater constituent. It is 0.001 g of the constituent in 1,000 ml of water. It has replaced the unit formerly used commonly, parts per million, to which it is approximately equivalent, in reporting the results of water and wastewater analysis.
OPERATION AND MAINTENANCE.
Those actions, materials and services necessary for the proper functioning of treatment and collection facilities over their useful life.
PERSON.
Any individual, firm, company, association, society, corporation or group.
pH.
The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
QUANTITY BRACKET.
User class, as defined below.
REPLACEMENT.
Expenditures for obtaining and installing equipment, accessories, or appurtenances which are necessary during the service life of the treatment works to maintain the capacity and performance for which such works are designated and constructed. The term operation and maintenance includes replacement.
RESIDENTIAL USER.
Any user of the waterworks and sewerage facilities for such purpose or use as involves habitation and living therein of individual persons.
SANITARY SEWER.
A sewer which carries sewage and to which storm, surface, and ground waters are not intentionally admitted.
SEWAGE.
A combination of the water-carried wastes from residences, business buildings, institutions, and industrial establishments, together with such ground, surface, and storm waters as may be present.
SEWER.
A conduit to carry off liquids.
SEWERAGE.
The removal and disposal of sewage by sewers.
SEWER RATE.
A charge for the use of and services supplied by the sewage works of the city.
SHALL.
Mandatory.
SUSPENDED SOLIDS.
Solids that either float on the surface, or are in suspension in water, sewage, or other liquids, and which are removable by laboratory filtering.
USER CHARGE.
A charge levied on users of treatment works for the cost of operation and maintenance including replacement.
USER CLASS.
The type of user either residential, commercial, industrial, institutional or governmental.
WASTEWATER.
The spent water of a community. From this standpoint of course, it may be a combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants, and institutions, together with any ground water, surface water, and storm water that may be present.
WATER RATE.
A charge for the use of and services supplied by the waterworks of the city.
(Ord. 85-23, passed 6-10-85)