For the purpose of this chapter, the following definitions shall apply, unless the context clearly indicates or requires a different meaning.
BEST MANAGEMENT PRACTICES (BMPs). Schedules of activities, prohibitions of practices, maintenance procedures, and other management practices to implement the prohibitions listed on Ohio Administrative Code (OAC) 3745-3-04. BMP’s 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.
BIOCHEMICAL OXYGEN DEMAND or BOD. The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20°C, expressed in mg/l, as determined by Standard Methods.
BUILDING DRAIN. 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 the building and conveys it to the building sewer, beginning five feet outside the inner face of the building wall.
BUILDING SEWER. The extension from the building drain to the public sewer or other place of disposal.
CATEGORICAL PRETREATMENT STANDARDS. Pretreatment standards promulgated by U.S. EPA, specifying quantities or concentrations of pollutants or pollutant properties which may be discharged or introduced to the wastewater system by specific industrial users. Any regulation containing pollutant discharge limits promulgated by the EPA in accordance with sections 307(b) and (c) of the Act (33 USC § 1317) that apply to a specific category of users and that appear in 40 C.F.R. Chapter I, Subchapter N, Parts 405 through 471.
CITY. The City of Piqua, Ohio.
CITY MANAGER. The CITY MANAGER as provided for under the Charter of the city, or his or her duly authorized agent or representative.
COMBINED SEWAGE. A combination of sanitary sewage and storm water, with or without industrial wastes.
CONNECTION. The connection of all sanitary waste and drainage disposal lines from all development on a property to the public sewer and drainage system.
COOLING WATER. The water discharged from any system of condensation, air conditioning, cooling or refrigeration. It shall be free from odor and oil, and shall contain no polluting substances.
CONTROL AUTHORITY. (1) The POTW if it is under an approved pretreatment program; or (2) Ohio EPA if the POTW is not under an approved pretreatment program.
DEBT SERVICE CHARGE. The charge levied against the users of the sewage system for the retirement of and interest on bonds and/or notes authorized and issued by the city on construction of the sewage system facilities.
DEPARTMENT. The department established by the city for the purpose of managing and operating the wastewater system of the city.
ENGINEER. The City Engineer.
FEDERAL ACT. The Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977, (Pub. L. 95-217) 33 USC 1251 et seq.; as well as any guidelines, limitations and standards promulgated by the U.S. EPA pursuant to the Act.
GARBAGE. Solid wastes from the preparation, cooking and dispensing of food, and from the handling, storage and sale of products.
GARBAGE, PROPERLY SHREDDED. The wastes from the preparation, cooking and dispensing of food that has been shredded to such a degree that all particles will be carried under the flow conditions normally prevailing in public sewers.
GOVERNMENTAL/INSTITUTION CLASS USER. Hospitals. nursing homes, schools; city, county, state or federal building or facilities that discharge wastewater into public wastewater treatment system works and facility.
HEALTH OFFICER. The City Health Commissioner or his or her duly authorized agent or representative.
HOLDING TANK WASTE. Any sanitary waste from holding tanks or chambers used in connection with boats, chemical toilets, campers, trailers, or other facilities from which sanitary wastes emanate. The definition includes sanitary wastes from septic tanks and vacuum pump tank trucks.
INDUSTRIAL USER or INDUSTRIAL DISCHARGER. Any user who discharges to the wastewater system any liquid wastes resulting from processes employed in industry or manufacturing, or from development of any natural resource.
INDUSTRIAL WASTES. The solid, liquid or gaseous waste resulting from any industrial manufacturing, trade or business process; or from the development, recovery or processing of natural resources, as distinct from sanitary sewage.
INTERFERENCE. A discharge which (alone or in conjunction with a discharge or discharges from other sources) does both of the following:
(1) Inhibits or disrupts the POTW, its treatment processes or operations, or its sludge processes, use, or disposal.
(2) Therefore is a cause of a violation of any requirements of the POTW’s NPDES permit (including an increase in the magnitude or duration of violation) or of the prevention of sewage sludge use or disposal in compliance with the following statutory provisions and regulations or permits issued thereunder (or more stringent local regulations): Section 405 of the Clean Water Act, being 33 USC 1345; the Solid Waste Disposal Act (SWDA), being 42 USC 6901 et seq. (including Title II, more commonly referred to as the Resource Conservation and Recovery Act (RCRA)), and including state regulations contained in any state sludge management plan prepared pursuant to Subtitle D of the SWDA, being 42 USC 6941 et seq., the Clean Air Act, being 42 USC 7401 et seq., and the Toxic Substance Control Act, being 15 USC 2601 et seq.
LOCAL LIMITS. Limits on industrial users, developed by the city, that are technically based on site-specific factors to protect POTW’s operations from interference and pass-through and to ensure that the POTW’s discharges comply with state and federal requirements. LOCAL LIMITS may be expressed as numerical values, narrative statements, best management practices, or a combination of these. LOCAL LIMITS are considered pretreatment standards upon approval by the OEPA.
MAY is permissive.
Mg/l. Milligrams per liter.
NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake or other body of surface or groundwater.
NEW SOURCE. 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, being 33 USC 1317(c), which will be applicable to the source if these standards are therefore promulgated in accordance with that section, provided that:
(1) The building, structure, facility or installation is constructed at a site which no other source is located;
(2) The building, structure, facility or installation totally replaces the process or production equipment that causes the discharge of pollutants at an existing source;
(3) The production of wastewater generating processes of the building, structure, facility or installation are substantially independent of an existing source at the same site.
NORMAL WASTEWATER. Wastewater having an average concentration of not more than the following:
(1) BOD (biochemical oxygen demand): 200 mg/l
(2) SS (suspended solids): 250 mg/l
NPDES. National Pollutant Discharge Elimination System.
OPERATION AND MAINTENANCE. The cost incurred in the act of keeping all facilities for collecting, pumping, treating and disposing of sewage in a good state of repair and functioning properly including the replacement of the facilities when necessary.
OEPA. The Ohio Environmental Protection Agency.
PASSTHROUGH. A discharge which exits the POTW into waters of the state 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 the magnitude or duration of a violation.)
PERSON. Any individual, firm, company, association, society, corporation or group.
pH. The logarithm (base 10) of the reciprocal of the weight of hydrogen ions in grams per liter of solution. Low values indicate the presence of acids or acid-forming salts. High values indicate the presence of alkaline material. A pH of 7.0 is considered neutral.
POTW or PUBLICLY OWNED TREATMENT WORKS. That portion of the POTW that is designed to provide treatment (including recycling and reclamation) of municipal sewage and industrial waste.
PREMISES. Any parcel of real estate or portion of real estate, including any improvements, determined by the engineer to be a single user for purposes of receiving, using and paying for services.
PRETREATMENT. The reduction in 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 pollutants to the wastewater system.
PRETREATMENT REQUIREMENT. Any substantive or procedural requirement related to pretreatment imposed on a user, other than a pretreatment standard.
PRIVATE SEWER. A sewer which is not controlled by a public authority.
PUBLIC AUTHORITY. Any governmental entity having jurisdiction by law.
PUBLIC SEWER. A sewer owned and operated by a public authority.
REGULATIONS. Any word, provision, paragraph or section of this chapter unless otherwise defined.
RESIDENCE. A building or house erected or constructed on any lot, parcel of land or premises and used primarily for dwelling purposes.
SANITARY SEWER. A sewer which carries sanitary wastewater and/or industrial waste, and to which storm, surface and groundwaters are not intentionally admitted.
SANITARY WASTEWATER. Water-carried wastes from domestic conveniences such as toilets, urinals and sinks.
SEWER. A pipe, conduit, ditch or other device for carrying wastewater or storm water.
SHALL is mandatory.
SIGNIFICANT INDUSTRIAL USER.
(1) Except as provided in division (2) below, the term
SIGNIFICANT INDUSTRIAL USER includes:
(a) All industrial users subject to categorical pretreatment standards.
(b) Any other industrial user that discharges an average of 25,000 gpd or more of process wastewater to the POTW; contributes a process waste stream with makes up 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 Director, to adversely affect the POTW's operation or for violating any pretreatment standard or requirement.
(2) The Director may at any time, on his or her own initiative or in response to a petition received from an industrial user, determine that a noncategorical industrial user is not a
SIGNIFICANT INDUSTRIAL USER if the industrial user has no reasonable potential to adversely affect the POTW's operation for violating any pretreatment standard or requirement.
SIGNIFICANT NONCOMPLIANCE. A violation which meets one of the following criteria.
(1) Occurs in 66% or more of the measurements of any magnitude taken over a six- month period.
(2) Exceeds the technical review criteria (TRC) for the same discharge limit in 33% or more of the measurements taken over a six-month period.
(a) TRC = 1.4 (40% exceedance) for BOD, TSS, fats, oils, grease.
(b) TRC = 1.2 (20% exceedance) for all other pollutants.
(3) Causes alone or in combination with other discharges, interference or passthrough, including endangering POTW personnel or the public.
(4) Endangers human health or the environment, or results in the POTW’s exercise of its emergency powers.
(5) A delay in meeting a compliance schedule milestone, such as failure to begin or complete construction or attain final compliance by 90 days or more.
(6) Failure to submit any required report within 45 days of due date.
(7) Failure to report noncompliance.
(8) Any other violation(s) which the POTW considers significant.
SLUGLOAD. A discharge of any pollutant at a flow rate and/or pollutant concentration of a non- routine, episodic nature, including but not limited to an accidental spill or a non-customary batch discharge, that has a reasonable potential to cause interference (as defined in this section) or pass through, or in any other way violate the POTW’s regulations, local limits or permit conditions.
STANDARD INDUSTRIAL CLASSIFICATION or SIC. The classification of users based on the 1972 Standard Industrial Classification Manual, as amended and supplemented, Office of Manpower and Budget of the United States of America.
STANDARD METHODS. The laboratory procedures specified in the latest edition of Standard Methods for the Examination of Water and Wastewater, prepared and published jointly by the American Public Health Association, the American Water Works Association, and the Water Pollution Control Federation.
STORM SEWER or STORM DRAIN. A sewer which carries storm and surface waters and drainage, but excludes sanitary wastewater and industrial wastes, other than unpolluted cooling water.
SUPERINTENDENT. The superintendent of the wastewater system or known as the POTW.
SUSPENDED SOLIDS or SS. Solids that either float on the surface of, or are suspended in, water, wastewater or other liquids; and which are removable by laboratory filtering as determined by standard methods.
TOXIC POLLUTANT. Any pollutant designated by federal regulations pursuant to Section 307 of the Act, being 33 USC 1317, as amended.
UNPOLLUTED WASTEWATERS or CLEAN WASTEWATERS. Those liquid wastes which meet the criteria established by the OEPA for effluents discharged to city watercourses.
U.S. EPA. The United States Environmental Protection Agency.
USER. Any person that discharges, causes, or permits the discharge of wastewater into a public sewer.
WASTES. Wastewater and all other substances (liquid, solid, gaseous or radioactive) associated with human habitation or of human or animal origin; or from any producing, manufacturing or processing operation of any nature, including substances placed within containers of any nature prior to, and for purposes of, disposal.
WASTEWATER. A combination of water-carried industrial waste, sanitary wastewater or any other waste, together with any ground, surface and storm water that may be present.
WASTEWATER SYSTEM. All facilities for collecting, pumping, treating and disposing of sanitary wastewater and industrial wastes.
WWTP - WASTEWATER TREATMENT PLANT. An arrangement of devices and structures used for treating wastewater.
WATERS OF THE STATE. Any water, surface or underground, including waters, within the boundaries of the state.
(‘97 Code, § 51.01) (Ord. 35-84, passed 8-20-84; Am. Ord. 54-91, passed 11-18-91; Am. Ord. 9-93, passed 2-15-93; Am. Ord. 9-95, passed 2-20-95; Am. Ord. 4-09, passed 4-20-09; Am. Ord. 21-12, passed 10-16-12; Am. Ord. 4-16, passed 5-17-16; Am. Ord. 3-19, passed 6-4-19; Am. Ord. 10-22, passed 11-1-22)