925.02 DEFINITIONS.
   (a)   The following list of definitions and abbreviations is provided to aid in the general understanding of these Rules and Regulations; unless the context specifically indicates otherwise, the definitions and meaning of abbreviations shall be as indicated hereinafter.
      (1)   "Act" means the Federal Water Pollution Control Act, Public Law 92-500 and any amendments thereto as well as any guidelines, limitations and standards promulgated by the Environmental Protection Agency pursuant to the Act.
      (2)   "Authorized representative of industrial user" may be:
         A.   A principal officer of at least the level of vice-president if the industrial user is a corporation;
         B.   A general partner or proprietorship, respectively; or
         C.   A duly authorized representative of the industrial user designated above if such representative is responsible for the general operation of the facility from which the indirect discharge originates.
      (3)   "Biochemical oxygen demand" means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at twenty degrees Centigrade and expressed in milligrams/liter.
      (4)   "Building drain" means that part of the lowest horizontal piping of an interior 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 five feet outside the inner face of the building wall.
      (5)   "Building sewer" means the extension from the building drain to the public sanitary sewer system and also known as the service connection or sewer lateral.
      (6)   "Categorical Pretreatment Standards" means national pretreatment standards specifying quantities or concentrations of pollutant properties which may be discharged or introduced to the public sanitary sewer system.
      (7)   "Chemical oxygen demand" means the quantity of oxygen utilized in the chemical oxidation of organic matter under standard laboratory procedure and expressed in milligrams/liter.
      (8)   "City" means the City of Milford, Ohio.
      (9)   "City Manager" means the City Manager of Milford, Ohio.
      (10)   "Combined sewer" means a sewer that is designed to serve as a conduit for sanitary sewage and storm water.
      (11)   "Compatible pollutant" means biochemical oxygen demand, suspended solids, pH and fecal coliform bacteria plus additional pollutants that may be identified by the Director of the Wastewater Department if the treatment plant, in fact, does remove such pollutants to a substantial degree. The term substantial degree is not subject to precise definition but generally contemplates removals in the order of eighty percent (80%) or greater.
      (12)   "Composite sample" means a sample comprised of at least three individual grab samples proportionate in volume to the sewage flow rate at the time of sampling and collected at not less than thirty minute nor more than two hour intervals. Such samples shall be collected at such times, locations and fashion as to be representative of the facilities wastewater discharge(s).
      (13)   "Contamination" means an impairment of the quality of the waters of the State by waste to a degree which create a hazard to the public health, such as, through poisoning or through the spread of disease. This definition shall include any equivalent effect resulting from the disposal of wastewater, whether or not waters of the State are affected.
      (14)   "Cooling water" means the cleaned wastewaters discharged from any system of heat transfer such as condensation, air conditioning, cooling or refrigeration.
      (15)   "Council" means the City Council of Milford, Ohio unless indicated otherwise.
      (16)   "County" means Clermont County, Ohio unless indicated otherwise.
      (17)   "Department" means the Wastewater Department of the City of Milford, Ohio.
      (18)   "Director" means the Director of the Wastewater Department of the City of Milford, Ohio and also known as the Superintendent of Water/Wastewater Departments.
      (19)   "Garbage" means solid wastes from domestic and commercial preparation, cooking or dispensing of food or from the handling, storage or sale of produce as distinguished from shredded garbage.
      (20)   "Grab sample" means a sample taken from a waste stream on a one time basis without regard to the rate of flow of the waste stream or duration of same.
      (21)   "Grease" means a group of substances including fats, waxes, free fatty acids, calcium and magnesium soaps, mineral oils and certain other nonfatty materials.
      (22)   "Holding tank wastes" means any sanitary waste from holding tanks or chambers such as are used in boats, chemical toilets, campers, trailers or other isolated facilities from which sanitary waste emanates and shall include sanitary waste from septic tanks in particular.
      (23)   "Incompatible pollutant" means any pollutant which is not a compatible pollutant as defined in this subsection.
      (24)   "Industrial user" means any nongovernmental user of the treatment plant identified in the "Standard Industrial Classification Manual", 1972, Office of Management and Budget and Federal regulation 40 CFR 35.905, effective September 27, 1978, et seq.
      (25)   "Industrial wastes" means the wastes admissible to the treatment plant from industrial manufacturing processes, trade or business or from the development, recovery or processing of natural resources and is to be distinguished from sanitary or domestic sewage.
      (26)   "Infiltration/inflow" means storm water run-off or ground water entering the public sanitary sewer system as an undesirable element in the collection and treatment of wastewater.
      (27)   "Interference" means the inhibition or disruption of the sewerage system, treatment processes or operations resulting in a violation of the City's NPDES permit. The term includes prevention of sewage sludge use or disposal by the publicly owned treatment facility in accordance with Section 405 of the Clean Water Act or any criteria, guideline or regulation developed pursuant to the Solid Waste Disposal Act (SWDA), the Clean Air Act, the Toxic Substances Control Act or more stringent State criteria including those contained in the State sludge management plan prepared pursuant to Title IV of the SWDA.
      (28)   "Kjeldahl nitrogen" means the sum of free ammonia and organic nitrogen compounds which are converted to ammonium sulfate (NH4)2SO4, under test conditions as determined by the test methods of analytical testing.
      (29)   "Maintenance" means the keeping of the treatment facility and the collection system in a state of repair and shall include expenditures necessary during the service life of the treatment works to maintain the capability for which the treatment works and collection system were designed and constructed.
      (30)   "Minimum sewer service charge" means the minimum charge to be made to a system user for sewer service and credited to the total sewer service charge at the applicable rate as established by ordinance.
      (31)   "Mass emission rate" means the weight of material discharged to the sewerage system during a given time interval. Unless indicated otherwise, the mass emission rate shall mean kilograms per day of a particular constituent or combination of constituents.
      (32)   "mg/l" means milligrams per liter.
      (33)   "Natural outlet" means any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.
      (34)   "National Categorical Pretreatment Standards" means any regulation containing pollutant discharge limits as promulgated by the U.S. EPA in accordance with Section 307(b) and (c) of the Clean Water Act and which applies to a specific category of industrial users.
      (35)   "Normal strength sewage", also known as domestic wastewater, means sewage having average concentration values of not more than the pollutant categories indicated below:
         A.   Biochemical oxygen demand   200 mg/l
         B.   Suspended solids   250 mg/l
         C.   Total phosphorus as P   15 mg/l
         D.   Total kjeldahl nitrogen as N   20 mg/l
         E.   Oils and grease   Nonfloatable amounts
      (36)   "Nuisance" means anything which is injurious to health or is indecent or offensive to the senses or is an obstruction to the free use of property so as to interfere with human comfort or enjoyment of life or property.
      (37)   "Operation, maintenance and replacement (OM&R)" means the cost of providing sewer service by sewerage system in accordance with design criteria, effluent limitations and sound economic practices. In particular "operation" means the means and methods used to facilitate the proper and intended usage of the treatment facility; "maintenance" means the general upkeep of the sewerage system and "replacement" means the expenditures for procuring and installing equipment necessary for the efficient and proper utilization of the sewerage system throughout the service life of such system.
      (38)   "Person" means any individual, partnership, copartnership, firm, company, corporation, association, joint stock company, trust, estate, governmental entity or any other legal entity or their legal representatives, agents or assigns.
      (39)   "pH" means the logarithm to the base ten of the reciprocal of the concentration of hydrogen ion in grams/liter of solution.
      (40)   "Phosphorus (P)" means the total phosphorus content in wastewater as determined by the methods of analytical testing and shall include all the orthophosphates and condensed phosphates, both soluble, insoluble, organic and inorganic species.
      (41)   "Pollutant" means any material in a waste stream that requires treatment or exerts an adverse effect on the receiving stream and includes wastewater, garbage, rocks, sand, dredged spoil, solid waste, incinerator waste, sludges, munitions, discarded or wrecked equipment, cellar dirt and industrial, municipal and agricultural wastes.
      (42)   "Premises" means a parcel of real estate including any improvements thereon which is determined by the Wastewater Department to be a single user of the sewerage system.
      (43)   "Pretreatment" means an approved on-site treatment unit for treatment of wastewater prior to discharge to the sewerage system.
      (44)   "Private sewer" means a sewer that is controlled by the Wastewater Department but owned, operated and maintained by others.
      (45)   "Public sewer" means a sewer which is controlled, owned, operated and maintained by the City.
      (46)   "Sanitary sewage" means sewage containing water carried waste from premises by reason of human occupancy.
      (47)   "Sanitary sewer" means a sewer which by design carries sanitary sewage and from which storm water is excluded.
      (48)   "Sewage" means a combination of the liquid and water carried waste discharged from premises.
      (49)   "Sewer" means any conduit or pipe used for conveying wastewater or drainage water.
      (50)   "Sewer service charge" means the total charge necessary to off-set the cost of providing sewer service and shall include operation, maintenance, replacement and debt service.
      (51)   "Sewerage system" means all facilities for collecting, pumping, transporting and treating wastewater.
      (52)   "Shall" is mandatory; "may" is permissive.
      (53)   "Shredded garbage" means garbage that has been shredded to such a degree that all particles shall be carried freely under flow conditions normally prevailing in the public sanitary sewer system with no particle no greater than one inch in diameter.
      (54)   "Significant industrial user" means an industrial user discharging more than 10,000 gpd (gallons/day) of wastewater or more than five percent (5%) of the treatment plant's capacity or whose discharge is substantially different in character from the wastewater normally received or causes a discernible reduction in the treatment efficiency of the facility or causes or contributes to the violation of the facility's NPDES permit.
      (55)   "Sludge" means any solid, semi-solid or liquid waste generated from a municipal, commercial or industrial wastewater treatment plant, water supply treatment plant or air pollution control facility and shall include any other waste having similar characteristics and effects as defined in standards issued under Section 402, 405 of the Clean Water Act and in the applicable requirements under Sections 3001, 3004 and 4004 of the Solid Waste Disposal Act.
      (56)   "Slug load" means the discharge, usually of short duration, of pollutants, including oxygen demanding pollutants - BOD, etc., at a flow rate or level of concentration which the system user knows or has reason to believe will cause interference to a wastewater treatment plant and in no case shall a slug load have a flow rate or contain concentrations of pollutants that exceed for any period of time longer than sixty minutes more than five times the average twenty-four hour concentrations, quantities or flow representative of normal operations.
      (57)   "Standard Industrial Classification (SIC)" means the classification of system users based on the Standard Industrial Classification Manual of 1972, as amended and supplemented from the Office of Management and Budget of the United States.
      (58)   "Standard methods" means the laboratory procedures set forth in the latest edition of Standard Methods for the Examination of Water and Wastewater, as prepared and published jointly by the American Water Works Association, American Public Health Association and the Water Pollution Control Federation.
      (59)   "State" means the State of Ohio unless indicated otherwise.
         (Ord. 90-1343. Passed 11-6-90.)
      (60)   "Storm sewer" means those conduits and appurtenances dedicated to the conveyance of storm water only and shall not mean sanitary or combined sewers.
         (Ord. 91-1397. Passed 8-20-91.)
      (61)   "Storm water" means any flow occurring during or following any form of natural precipitation and resulting therefrom.
      (62)   "Suspended solids" means the total suspended matter that either floats on the surface of or is in suspension of water, wastewater, sewage or other liquids and which is removable by laboratory filtering as expressed in milligrams/liter as prescribed by the methods of analytical testing.
      (63)   "System user" means any user of the sewerage system.
      (64)   "Test procedures (analytical testing)" means all methods of sample collection, preservation and analysis as prescribed in the Federal regulation 40 CFR 136, Test Procedures for the Analysis of Pollutants. Unless indicated otherwise, the test procedures employed by the Wastewater Department shall conform to those described in Standard Methods for the Examination of Water and Wastewater (see definition above).
      (65)   "Toxic pollutant" means any pollutant or combination thereof designated as toxic in Federal regulations pursuant to Section 307 of the Clean Water Act or other Acts as specified.
      (66)   "User charge" means the system access charge for providing sewer service and shall be established by ordinance as proportionate to the Wastewater Department's cost for Capital Improvement.
      (67)   "Waste" means sewage and all other waste substances, liquid, solid, gaseous or radioactive that is associated with human habitation or of human or animal origin or from any production, manufacturing or processing operation of whatever nature including such wastes placed in containers of whatever nature prior to and for purposes of disposal.
      (68)   "Wastewater" means a combination of the liquid and water carried wastes from premises together with any groundwater, surface water or storm water that may be present.
      (69)   "Wastewater constituents and characteristics" means the individual chemical, physical, bacteriological and radiological parameters, including volume and flow rate, and such other parameters that serve to define, classify or measure the contents, quality, quantity and strength of wastewater.
      (70)   "Wastewater treatment plant" means any arrangement of devices and structures used for the treatment of wastewater.
      (71)   "Wastewater treatment surcharge" means the charge, established by ordinance, over and above the standard service charge levied against a system user to recover the cost of an IWPT program as subsequently defined in Sections 925.21 to 925.28 and shall cover the cost of rendering wastewater treatment for discharges whose strength is in excess of normal wastewater.
      (72)   "Watercourse" means any channel in which the flow of water occurs either continuously or intermittently.
      (73)   "Waters of the State" means all streams, lakes, ponds, marshes, watercourses, wells, springs, reservoirs, aquifers, irrigation systems, drainage systems and all other bodies or accumulations of water, surface or underground, natural or artificial, public or private which are contained in, flow through or border upon the State or any portion thereof.
   (b)   Abbreviations:
      (1)   "ASTM" means the American Society of Testing Materials.
      (2)   "BOD" means the Biochemical Oxygen Demand.
      (3)   "CFR" means the Code of Federal Regulations.
      (4)   "COD" means the Chemical Oxygen Demand.
      (5)   "EPA" means the Environmental Protection Agency (Ohio or U.S.).
      (6)   "IWPT" means the Industrial Waste Pretreatment Program.
      (7)   "mg/l" means milligrams per liter.
      (8)   "NPDES" means the National Pollutant Discharge Elimination System.
      (9)   "OM&R" means Operation, Maintenance and Replacement.
      (10)   "ORC" means the Ohio Revised Code.
      (11)   "P" means phosphorus.
      (12)   "POTW" means the Publicly Owned Treatment Works.
      (13)   "SIC" means Standard Industrial Classification.
      (14)   "SWDA" means the Solid Waste Disposal Act, 42 U.S.C. 6901, et seq.
      (15)   "USC" means the United States Code.
      (16)   "TSS" means the Total Suspended Solids.
      (17)   "WPCF" means the Water Pollution Control Federation.
      (18)   "WWTP" means the Wastewater Treatment Plant.
         (Ord. 90-1343. Passed 11-6-90.)