925.02 DEFINITIONS.
   (1)   "Act" means the Clean Water Act (33 U.S.C. 1251 et seq.) as amended.
   (2)   "Authority" means the City.
   (3)   "Best Management Practices" (BMPs), prohibitions of practices, maintenance procedures, and other management practices to implement the prohibitions listed in OAC 3745-3-04. BMPs also include treatment requirements, operating procedures and practices to control plant site runoff, spillage or leaks, sludge or waste disposal, or drainage from raw materials storage.
   (4)   "Biochemical oxygen demand" (BOD) means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at twenty degrees C, expressed in milligrams per liter.
   (5)   "Building drain" means that part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste and other drainage pipes inside the walls of a building and conveys it to the building sewer, beginning three free outside the building wall.
   "Building drain - sanitary" means a building drain which conveys sewage only.
   "Building drain - storm" means a building drain which conveys stormwater or other drainage, but no sewage.
   (6)   "Building sewer" means the extension from the building drain to the public sewer or other place of disposal, also called house connection.
   (7)   "Categorical pretreatment standards" means the National Pretreatment Standards specifying quantities or concentration of pollutants or pollutant properties which may be discharged or introduced into a POTW by specific industrial users.
   (8)   "City" means the City of Findlay, Ohio.
   (9)   "Chemical oxygen demand" (COD) means the quantity of oxygen utilized in the chemical oxidation of organic matter under standard laboratory procedures expressed in milligrams per liter.
   (10)   "City Engineer" means the Engineer of the City of Findlay or his authorized representative.
   (11)   "Combined sewer" means a sewer intended to receive both wastewater and storm or surface water.
   (12)   "Compatible pollutant" means BOD, suspended solids, PH and fecal coliform bacteria, plus additional pollutants identified in the NPDES permit.
   (13)   "Composite Sample" is prepared by combining a series of grab samples over a known time or flow intervals. A composite sample shows the average composition of a flow period if the sample is collected proportional to flow.
   (14)   "Debt service" means the number of dollars set aside each month within the Water Pollution Control Fund to enable the City to meet the necessary interest payments and the annual principal payment as they become due.
   (15)   "Floatable oil" means oil, fat or grease in a physical state such that it will separate by gravity from wastewater by treatment in an approved pretreatment facility.
   (16)   "Grab Sample" is a sample that is taken from a waste stream without regard to the flow in the waste stream and over a period of time not to exceed fifteen (15) minutes.
   (17)   "Garbage" means solid wastes from the domestic and commercial preparation, cooking and dispensing of food, and from the handling, storage and sale of produce.
   (18)   "Incompatible pollutant" means any pollutant which is not a compatible pollutant as defined in subsection (11) hereof.
   (19)   "Indirect discharge" means the discharge or the introduction of non-domestic pollutants from a source regulated under Section 307(b) or (c) of the Act, into a POTW.
   (20)   "Industrial user" means a source of indirect discharge.
   (21)   "Industrial wastes" means solid, liquid or gaseous waste from any industrial, manufacturing, trade or business process or from the development, recovery or processing of natural resources.
   (22)   "Interference" means a discharge which, along or in conjunction with a discharge or discharges from other sources, both inhibits or disrupts the POTW, its treatment processes or operations, or its sludge processes, use or disposal and therefore is a cause of violation of any requirement of the POTW's NPDES permit (including an increase in the magnitude or duration of a violation) or the prevention of sewage sludge use or disposal.
   (23)   "Instantaneous Limits" are the maximum concentration of a pollutant allowed to be discharged from at any time, determined from the analysis of any discrete or composited sample collected, independent of the industrial flow rate and the duration of the sampling event.
   (24)   "May" is permissive: "shall" is mandatory.
   (25)   "Natural outlet" means any outlet, including storm sewers and combined sewer overflows, into a water course, pond, ditch, lake or other body of surface or ground water.
   (26)   "New source" means any building, structure, facility or installation from which there is or may be a discharge of pollutants, the construction of which commenced after the publication of proposed pretreatment standards under Section 307 (c) of the Act which will be applicable to such sources if such standards are thereafter promulgated in accordance with that section, provided that: the building, structure, facility or installations are constructed at a site at which no other source is located; or, the building, structure, facility or installation totally replaces the process or production equipment that causes the discharge of pollutants at an existing source; or, the production or wastewater generating processes of the building, structure, facility or installation are substantially independent of an existing source at the same site.
   (27)   "Normal domestic sewage" means wastewater with characteristics similar to the discharge expected from a typical single-family residence.
   (28)   "NPDES" permit means the national pollutant discharge elimination system permit.
   (29)   "O and M" means operation and maintenance.
   (30)   "OEPA" means the Ohio Environmental Protection Agency.
   (31)   "Operation/maintenance & replacement costs" means those costs directly associated with the normal operation and maintenance of the POTW and also those costs necessary to cover the anticipated expense of equipment replacement.
   (32)   "Other wastes" means decayed wood, sawdust, shavings, bark, lime, refuse, ashes, garbage, offal, oil, tar, chemicals and all other substances except sewage and industrial wastes.
   (33)   "Pass through" means a discharge which exists the POTW into waters of the United States in quantities or concentrations which, alone or in conjunction with a discharge or discharges from other sources, is a cause of a violation of any requirement of the POTW's NPDES permit (including an increase in magnitude or duration of a violation).
   (34)   "Person" means any individual, firm, company, association, society, corporation or group: also may be called "owner".
   (35)   "pH" means the reciprocal of the logarithm of the hydrogen ion concentration. The concentration is the weight of hydrogen ions, in grams, per liter of solution. Neutral water, for example, has a pH value of 7 and a hydrogen ion concentration of 10-7.
   (36)   "Pollutant" means dredged soil, solid waste, incinerator residue, garbage, wastewater sludge, munition, wrecked or discarded equipment, rock, sand, cellar dirt and industrial, municipal and agriculture waste discharged into water.
   (37)   "POTW" (publicly operated treatment works) means any sewage treatment works and the sewers and conveyance appurtenances discharging thereto, owned and operated by the City.
   (38)   "Pretreatment" means the reduction of the amount of pollutants, the elimination of pollutants or the alteration of the nature of pollutant properties in wastewater to a less harmful state prior to or in lieu of discharging or otherwise introducing such pollutants into the POTW.
   (39)   "Properly shredded garbage" means the wastes from the preparation, cooking and dispensing of food that have been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half inch in any dimension.
   (40)   "Public sewer" means a common sewer controlled by a governmental agency or public utility.
   (41)   "Sanitary sewer" means a sewer that carries liquid and water-carried wastes from residences, commercial buildings, industrial plants and institutions together with minor quantities of ground, storm and surface waters that are not admitted intentionally.
   (42)   "Service Director" means the Safety-Service Director of Findlay, Ohio.
   (43)   "Sewage" means water carried human wastes or a combination of water-carried wastes from residences, business buildings, institutions and industrial establishments, together with such ground, surface, storm or other waters as may be present.
   (44)   "Significant industrial user" means:
      A.   All industrial users subject to categorical pretreatment standards; and,
      B.   Any other industrial user that: discharges an average of 25,000 gallons per day or more of process wastewater to the POTW; contributes a process wastestream which makes up five percent (5%) or more of the average dry weather hydraulic or organic capacity of the POTW treatment plant; or has a reasonable potential, in the opinion of the Service Director, to adversely affect the POTW's operation or for violating any pretreatment standard or requirement.
   (45)   "Slugload" means any pollutant, including oxygen demanding pollutants, release in a discharge at a flow rate and/or pollutant concentration which will cause interference with the POTW.
   (46)   "Storm sewer" means a sewer intended to convey water, ground water, subsurface water, unpolluted water from any source or polluted water by definition from natural origin.
   (47)   "Superintendent" means the Superintendent of Wastewater Facilities, or his authorized deputy, agent or representative.
   (48)   "Suspended solids" (SS) means total suspended matter that either floats on the surface of, or is in suspension in water, wastewater or other liquids and that is removable by laboratory filtering as prescribed in "Standard Methods for the Examination of Water and Wastewater" and referred to as nonfilterable residue.
   (49)   "Toxic pollutants" includes, but is not necessarily limited to aldrin-dieldrin, benzidine, cadmium, cyanide, DDT-endrin, mercury, polychlorinated biphenyls (PCB's) and toxaphene. Pollutants included as "toxic" shall be those promulgated as such by the United States Environmental Protection Agency.
   (50)   "Unpolluted water" means water of quality equal to or better than the effluent criteria in effect or water that would not cause violation of receiving water quality standards and would not be benefitted by discharge to the sanitary sewers and wastewater treatment facilities provided.
   (51)   "Upset" means an exceptional incident in which a user unintentionally and temporarily is in a state of noncompliance with the standards set forth, due to factors beyond the reasonable control of the user, and excluding noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventive maintenance or careless or improper operation thereof.
   (52)   "User charge" means the charge levied against a sewer user which has been determined to be that user's fair and equitable share of the costs associated with the operation of the POTW.
   (53)   "User classes" means:
      A.   "Industrial user." See subsection (17) hereof.
      B.   "Nonindustrial user" means all other users of the POTW who do not fall in the industrial user category.
   (54)   "Wastewater" means the spent water of a community from the standpoint of source, 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.
   (55)   "Wastewater facilities means the structures, equipment and processes required to treat domestic and industrial wastes and dispose of the effluent.
(Ord. 2009-041. Passed 5-5-09.)