As used in this chapter, unless the context indicates otherwise:
(a) “BOD (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.
(b) “Building drain.” That part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste and drainage pipes and other similar connections, inside the walls of the building, and conveys it to the building sewer, beginning five feet (1.5 meters) outside the interface of the building.
(c) “Building sewer or lateral.” The extension from the building drain to the public sewer or other place of disposal.
(d) “Commercial user.” Any user who is not a residential or industrial user.
(e) “Control manhole.” A structure that is accessible for the purposes of maintaining, metering the flow in or collecting samples from a building sewer.
(f) “Cooling water.” The water discharge from any system of condensation, air conditioning, cooling refrigeration or other source. Such water shall contain no polluting substances which would produce BOD or SS each in excess of ten parts per million by weight, toxic substances as limited in this chapter, or other polluting substances which may be limited in this chapter.
(g) “Discharge.” Sewage, water or other liquid flowing out of any residential, commercial or industrial establishment.
(h) “Domestic sewage” and “sanitary sewage.” Sewage derived principally from dwellings, business buildings, industries, institutions and the like, originating as wastes from kitchens, water closets, lavatories, bathrooms and showers.
(i) “Effluent.” Sewage, water or other liquid, after some degree of treatment, which is flowing out of any treatment device or facility.
(j) “Garbage.” Solid wastes from the domestic and commercial preparation, cooking and dispensing of food and from the handling, storage and sale of produce.
(k) “Grease” and “fats.” Any material which is extractable from an acidified sample of a waste by hexane or other designated solvent.
(l) “Ground garbage.” Solid wastes from the preparation, cooking and dispensing of food that has been shredded or comminuted to such a degree that all particles will be carried freely in suspension in public sewers, with no particle greater than one-half inch in any dimension.
(m) “Hauler.” Any person engaged in the transportation or conveyance of liquid wastes to the Municipal Treatment Plant for disposal.
(n) “House system” and “sewer service line.” Any system of sewers which carries sanitary sewage from a house, apartment building, business place, hospital or other building in the City.
(o) “Industrial user.” Any manufacturing plant, place of business or similar facility that discharges trade, process or toxic wastewater, or has a daily average flow in excess of 25,000 gallons.
(p) “Influent.” Sewage, raw or partly treated, flowing into any sewage treatment device or facility.
(q) “Laboratory determination.” The measurements, tests and analyses of the characteristics of waters and wastes in accordance with the provisions of 40 CFR, Part 136 “Guidelines Establishing Test Procedures for the Analysis of Pollutants” or in accordance with other equivalent methods approved by the City. These methods are contained in the latest edition of the following publications: Standard Methods for Examination of Water and Wastewater, a joint publication of the American Public Health Association, the American Water Works Association and the Water Pollution Control Federation; ASTM Annual Book of Standards, Part 23 “Water Atmospheric Analysis, 1972,” a publication of the American Society for Testing Materials; and EPA Methods, which means Methods for Chemical Analyses of Water and Wastes, a publication of the Environmental Protection Agency.
(r) “Meter measurement.” The act or result of determining the quantity of water supplies to, or being discharged by, a user and determined by an instrument or device used for such measurement and approved by the City.
(s) “mg/l.” Milligrams per liter.
(t) “NPDES (national pollutant discharge elimination system) permit.” The same as such is defined in 40 CFR 125, and in Pub. L. 92-500, Section 402.
(u) “Operation and maintenance.” The process and act of keeping all facilities used for the collecting, pumping, treating and disposing of sewage in a good state of repair and functioning properly, including the replacement of such facilities when necessary.
(v) “Owner.” The owner of record of the premises or the responsible person in control of the premises (i.e. the lessee, etc.) if different than the owner.
(w) “Person.” Any individual, firm, company, premises, association, society, corporation, municipality or group.
(x) “pH.” The negative logarithm of the hydrogen ion concentration in moles per liter.
(y) “ppm.” Parts per million by weight and/or milligrams per liter.
(z) “Premises accessible to the sanitary sewerage system.” Any real estate, building or premises which adjoins, abuts or is adjacent to the public sanitary sewerage system, or any real estate which abuts upon a street, public way or easement containing a public sanitary sewer accessible to the premises or to any structure thereon.
(aa) “Pretreatment facilities.” Structures, devices or equipment used for removing deleterious wastes from sewage generated from any premises prior to its discharge into a public sewer.
(bb) “Public Law 92-500 (PL 92-500).” The 1972 Amendments to the Federal Water Pollution Control Act.
(cc) “Public Law 95-217 (PL 95-217).” The 1977 Amendments to the Federal Water Pollution Control Act.
(dd) “Public sewer.” A sewer which is owned and/or controlled by public authority.
(ee) “Residential user.” Any place of permanent residence, including single-family houses, duplexes, apartments, condominiums, etc, but excluding temporary residences such as motels, hotels, boarding houses, campgrounds, etc.
(ff) “Sampling.” The periodic collection of sewage as it flows from any premise through a building sewer.
(gg) “Scavenger waste.” Any liquid waste from sources such as septic tanks, package plants or industrial processes, which waste is removed from premises by means other than a sewer or building drain.
(hh) “Sewage.” A combination of water-carried wastes from residences, business buildings, institutions and industrial establishments, together with such ground, surface and storm waters as may be present.
(ii) “Sewage flow meter.” A device that measures and records the flow of sewage. Such device may also measure the rate of flow.
(jj) “Sewage treatment plant.” Any arrangement of devices and structures used for treating sewage.
(kk) “Sewer.” A pipe or conduit for carrying sewage.
(ll) “Sewerage.” All facilities used for the collecting, pumping, treating and disposing of sewage.
(mm) “Slug.” Any discharge of water, sewage or industrial waste which, in the concentration of any given constituent or in the quantity of flow, exceeds for longer than 15 minutes more than five times the average 24-hour concentration or flow during normal operation.
(nn) “Storm drain” and “storm sewer.” A sewer which carries storm and surface waters and drainage, excluding sewage and industrial wastes, other than unpolluted cooling water.
(oo) “Surcharge.” That part of the sewer service charge which is applied to extra strength wastes to cover added operation and maintenance costs.
(pp) “Suspended solids (SS).” 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.
(qq) “System.” The sewerage system of the City, including all treatment and disposal facilities, interceptor sewers owned and operated by the City, all sewage collection systems and all appurtenances connected thereto.
(rr) “Testing.” The analysis of samples of sewage.
(ss) “Toxic substance.” Any substance, whether gaseous, liquid or solid, which, when discharged to the sewerage system in sufficient quantities, may tend to interfere with the sewage treatment process, or constitute a hazard to human beings or animals, or inhibits aquatic life, or create a hazard to recreation in the receiving waters of the effluent from the sewage treatment plant.
(tt) “Unpolluted water.” Water discharged in its original state or water discharged which, after use for any purpose, is at least equal chemically, physically and biologically to the water from its original source, i.e. potable water, ground water and river and stream water.
(uu) “User.” Any person or premises receiving waste treatment services.
(vv) “User charge.” The charge assigned to each user which defrays a proportionate share of the cost of the operation and maintenance of the sewerage system.
(ww) “Wastewater.” A combination of water-carried waste from residences, buildings, institutions and industrial establishments, together with such ground, surface or storm water as may be present.
(Ord. 24-00. Passed 9-11-00.)