§ 18-105  DEFINITIONS.
   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 in milligrams per liter mg/l.
   CITY.  The City of Guthrie, its City Council or its duly designated representative.
   DOMESTIC WASTEWATER.  Water-borne wastewater normally discharging into sanitary conveniences of dwellings, including apartment houses and hotels, office buildings, factories and. institutions and commercial establishments.
   INFILTRATION.  The water entering a sewer system, including sewer service connections, from the ground through such means, but not limited to defective pipes, pipe joints, connections or manhole walls.  INFILTRATION does not include, and is distinguished from, inflow.
   INFLOW.  The water discharged into a sewer system, including sewer connections, from such sources as roof leaders, cellars, 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.
   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.
   OPERATION AND MAINTENANCE.  The activities required to assure the dependable and economical function of the wastewater collection and treatment facilities.  OPERATION is the control of the component unit processes, equipment and facilities including financial and personnel management records, laboratory control, process control, safety and emergency operation planning.  MAINTENANCE is the preservation of the functional integrity and efficiency of the equipment, structures and facilities including preventive maintenance, corrective maintenance and replacement of equipment as needed.
   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.
   STORM WATER.  Any flow occurring during or following any form of natural precipitation and resulting therefrom.
   SUSPENDED SOLIDS or TSS.  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.
   USER CHARGE.  Those charges levied on users of the wastewater facilities for the cost of operation and maintenance of the facilities.
   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, § 18-47)  (Ord. 2759, passed 1-8-85)