For the purpose of this article, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   BIOCHEMICAL OXYGEN DEMAND or BOD.  The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure, five days at 20°C., expressed in terms of weight and concentration, milligrams per liter (mg/l).
   BUILDING SEWER.  A sewer conveying wastewater from the premises of a user to the public sewer.
   CITY.  The City of Guthrie, its City Council or its duly designated representative.
   COOLING WATER.  The water discharged from any use such as air conditioning, cooling or refrigeration, or to which the only pollutant added is heat.
   DOMESTIC WASTEWATER.  Water-borne wastewater normally discharging into the sanitary conveniences of dwellings, including apartment houses and hotels, office buildings, factories and institutions and commercial establishments.
   INDUSTRIAL WASTEWATER.  Water-home solids, liquids or gaseous wastes resulting from and discharged, permitted to flow or escaping from the industrial, manufacturing or food processing operation of process, or from the development of any natural resource or any mixture of these with water or domestic wastewater, or distinct from normal domestic wastewater.
   INFLOW.  The water discharged into a sewer system, including sewer connections, from such sources as roof leaders, cellar, yard and area drains, foundation drains, cooling water discharges, drains from springs and swampy areas, manhole covers, cross connections from, storm sewers or combined sewers, catch basins, storm waters, surface runoff, street wash waters or drainage.
   INTERFERENCE.  The inhibition or disruption of the city's treatment processes or operations which contribute to a violation of any requirement of the city's national pollutant discharge elimination system (NPDES) permit(s), which is a permit(s) issued pursuant to Section 402 of the Federal Water Pollution Control Act, also known as the Clean Water Act, as amended, 33 USC 1251 et seq.
   NORMAL DOMESTIC WASTEWATER.  Normal wastewater for the city in which the average concentration of suspended solids and five-day BOD is established at not more than 250 mg/l, for each constituent.
   PERSON.  Any individual, partnership, co-partnership, firm, company, corporation, association, joint stock company, trust, estate, governmental entity or any other legal entity, or their legal representatives, agents or assigns.  The masculine gender shall include the feminine, the singular shall include the plural where indicated by the context.
   POLLUTION.  The manmade or man-induced alteration of the chemical, physical, biological and radiological integrity of water.
   POLLUTANT.  Any dredged spoil, solid waste, incinerator residue, sewage, garbage, sewage sludge, munitions, chemical wastes, biological materials, radioactive materials, heat, wrecked or discharged equipment, rock, sand, cellar dirt and industrial, municipal and agricultural waste discharged into water.
   PUBLIC SEWER.  Any common sewer which is under the direct control of the city.
   STORM WATER.  Any flow occurring during or following any form of natural precipitation and resulting therefrom.
   SUSPENDED SOLIDS.  The total suspended matter that floats on the surface of, or is suspended in, water, wastewater or other liquids, and which is removable by laboratory filtering.
   TOXIC POLLUTANT.  Any pollutant or combination of pollutants listed as toxic in regulations promulgated by the administrator of the U.S. Environmental Protection Agency under the provision of Section 307(a) of the Clean Water Act, as amended, or any other acts.
   USER.  Any person who contributes, causes or permits the contribution of wastewater into the city's wastewater collection system.
   WASTEWATER.  The liquid and water-carried industrial or domestic wastes from dwellings, commercial buildings, industrial facilities and institutions, together with any groundwater, surface water and stormwater that may be present, whether treated or untreated, which is contributed into or permitted to enter the city's wastewater collection system.
(`90 Code, § 18-43)  (Ord. 2758, passed 1-8-85)