Unless the context specifically indicates otherwise, the meaning of terms used in this chapter shall be as follows:
(a) "BMP" (Best Management Practice) means a method, activity, maintenance procedure, or other management practice for reducing the amount of pollution entering the sewage system.
(b) "BOD" (denoting 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, expressed in milligrams per liter.
(c) "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 the building and conveys it to the building sewer, beginning five feet (1.5 meters) outside the inner face of the building wall.
(d) "Building sewer" means the extension from the building drain to the public sewer or other place of disposal.
(e) "CBOD" (denoting Carbonaceous Biochemical Oxygen Demand) means the quantity of oxygen utilized in the biochemical oxidation of organic matter, excluding ammonia-nitrogen, under standard laboratory procedures in five days at twenty degrees centigrade, expressed in milligrams per liter.
(f) “City” means the City of Amherst.
(g) “Combined sewer” means a sewer receiving both surface runoff and sewage.
(h) "Garbage" means solid wastes from domestic and commercial preparation, cooking and dispensing of food, and from the handling, storage and sale of produce.
(j) "Indirect Discharge or Discharge" means the introduction of pollutants into the POTW from any nondomestic source.
(k) "Indirect Discharge Permit" means the permit issued by the OEPA for a discharger that introduces pollutants into the sanitary sewer system from a non-domestic source.
(l) "Interference" means a discharge that, alone or in conjunction with a discharge or discharges from other sources, inhibits or disrupts the POTW, its treatment processes or operations or its sludge processes, use or disposal; and therefore, is a cause of a violation of the City's NPDES permit or of the prevention of sewage sludge use or disposal in compliance with any of the following statutory/regulatory provisions or permits issued thereunder, or any more stringent State or local regulations: Section 405 of the Act; the Solid Waste Disposal Act, including Title II commonly referred to as the Resource Conservation and Recovery Act (RCRA); any State regulations contained in any State sludge management plan prepared pursuant to Subtitle D of the Solid Waste Disposal Act; the Clean Air Act; the Toxic Substances Control Act; and the Marine Protection, Research, and Sanctuaries Act.
(m) "Industrial wastes or wastewaters" means the solid, liquid or gaseous wastes resulting from any industrial, manufacturing, trade or business process or from the development, recovery or processing of natural resources as distinct from sanitary sewage.
(n) "Local Limit" means specific discharge limits developed and enforced by the City upon industrial or commercial facilities to implement the general and specific discharge prohibitions listed in 40 CFR 403.5(a)(1) and (b).
(o) "Natural outlet" means any outlet into a watercourse, pond, ditch, lake or other body of surface or groundwater.
(p) "OEPA" means the Ohio Environmental Protection Agency.
(q) "Oil and grease" means fats, oils, greases and similar constituents of animal or vegetable origin expressed in terms of milligrams per liter.
(r) "Pass Through" - means a discharge which exits 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 City's NPDES permit, including an increase in the magnitude or duration of a violation.
(s) "Person" means any individual, firm, company, association, society, corporation or group.
(t) "pH" means the logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
(u) "P" means total phosphorus, including soluble and insoluble forms, in wastewater in terms of milligrams per liter.
(v) "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 (1.27 centimeters) in any dimension.
(w) "Public sewer" means a sewer in which all owners of abutting properties have equal rights, and is controlled by public authority.
(x) "Publicly Owned Treatment Works or POTW" - means a treatment works, as defined by Section 212 of the Act (33 U.S.C. Section 1292), which is owned by the City. This definition includes any devices or systems used in the collection, storage, treatment, recycling, and reclamation of sewage or industrial wastes of a liquid nature and any conveyances, which convey wastewater to a treatment plant.
(y) "Sanitary sewer" means a sewer which carries sewage and to which storm, surface and ground waters are not intentionally admitted.
(z) "Sewage or sanitary sewerage" means a combination of the water-carried wastes from residences, business buildings, institutions and industrial establishments, together with such ground, surface and storm waters as may be present.
(aa) "Sewage treatment plant" means any arrangement of devices and structures used for treating sewage.
bb) "Sewage works or sanitary sewer system" means all facilities for collecting, pumping, treating and disposing of sewage.
(cc) "Sewer" means a pipe or conduit for carrying sewage.
(ee) "Shall" is mandatory; "may" is permissive.
(ff) "Slug" means any discharge of water, sewage or industrial waste in which the concentration of any given constituent or in quantity of flow released in a single, extraordinary discharge episode of such volume or strength would cause interference to the sewage works.
(gg) "Slug Load or Slug Discharge" means any discharge of a non-routine, episodic nature, including but not limited to an accidental spill or a non-customary batch discharge, which has a reasonable potential to cause interference or pass through, or in any other way violate the POTW's regulations or local limits.
(hh) "Storm drain" or "storm sewer" means a sewer which carries storm and surface waters and drainage, but excludes sewage and industrial wastes, other than unpolluted cooling water.
(ii) "Superintendent" means the Superintendent of Utilities of the City or his authorized deputy, agent or representative.
(jj) "Surcharge" means the assessment in addition to the rates set forth in Section 913.02 which is levied on those persons whose wastes are greater in strength than the concentration values established as representative of normal sewage.
(kk) "Suspended solids or Total Suspended Solids (TSS)" means solids that either float on the surface of, or are in suspension in water, sewage or other liquids, and which are removable by laboratory filtering.
(ll) "User or Industrial User" means a source of indirect discharge.
(mm) "Watercourse" means a channel in which a flow of water occurs, either continuously or intermittently. (Ord. 10-53. Passed 10-25-10.)