For the purposes of this chapter, unless the context specifically indicates otherwise, the meaning of terms used in this chapter shall be as follows:
(1) "Authorized person" means a person duly authorized by the Director of Engineering to act on his/her behalf in fulfilling the provisions of this chapter.
(2) "Best Management Practices or BMP's" means schedules of activities, prohibitions of practices, maintenance procedures, and other management Practices to implement the prohibitions listed in this chapter and the local Pretreatment Ordinance [40 CFR 403.5(a)(1) and (b) and OAC 3745-3-04]. BMPs 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. BMPs also include alternative means (i.e., management plans) of complying with, or in place of certain established categorical Pretreatment Standards and effluent.
(3) "BOD" means biochemical oxygen demand; the quantity of oxygen, expressed as milligrams per liter, utilized in the biochemical oxidation of organic matter for a five-day time period at twenty degrees centigrade, further explained in the current edition of "Standard Methods for Water and Wastewater Analysis", published by the American Public Health Association.
(4) "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 sewers, beginning five feet outside the face of the building wall.
(5) "Building sewer" means the extension from the building drain to the public sewer at the street right of way.
(6) "City" means the City of Westlake, Ohio.
(7) "COD" means chemical oxygen demand; the quantity of oxygen, expressed as milligrams per liter, used in the chemical oxidation of organic matter to carbon dioxide and water, further explained in "Standard Methods for Water and Wastewater Analysis."
(8) "Combined sewer" means a sewer which is designed to carry sanitary sewage, industrial wastes and storm water.
(9) "Control Authority" means the City of Rocky River through a Multi-Jurisdictional Agreement among the Cities of Bay Village, Fairview Park, Rocky River, and Westlake, as duly adopted by their Councils and Mayors, with amendment thereof subject to the terms of said Agreement.
(10) "Debt service" means the bond retirement which is incurred in the payment of capital costs for the construction and/or capital improvement of wastewater collection and treatment facilities.
(11) "Discharger/ Industrial Discharger" means any industrial, commercial, nondomestic, manufacturing, or processing facility that discharges industrial wastes to the POTW.
(12) "Domestic sewage" means sanitary sewage created in the preparation of foods, bathing, laundry facilities and sanitary facilities, as resulting from normal individual and group living functions which does not exceed normal wastewater concentrations as defined below..
(13) "Garbage" means solid wastes from the domestic and commercial preparation, cooking and dispensing of food and from the handling, storage and sale of produce.
(14) "Industrial wastes" means 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 liquid wastes from industrial manufacturing processes, trade or business, as distinct from domestic sewage.
(15) "mg/l" means milligrams per liter.
(16) "Nondomestic sewage " means any wastes exceeding normal wastewater concentrations as defined below.
(17) "Normal wastewater concentrations" means for the purposes of the extra strength surcharge system a five day biochemical oxygen (BOD) demand of 250 milligrams per liter, suspended solids (SS) of 250 milligrams per liter, phosphorus (P) of twenty milligrams per liter and oil and grease (O/G) of fifty milligrams per liter.
(18) "NPDES permit" means the National Pollutant Discharge Elimination System permit, issued by the U.S. EPA or the Ohio EPA under the Clean Water Act regulating the discharge of water to navigable waters of the United States.
(19) "OM&R" means operation, maintenance and replacement.
(20) "Operation and maintenance cost" means the costs which are incurred in providing for the operation and maintenance of wastewater collection treatment and sewer billing services. Debt service costs are not included in operation and maintenance costs.
(21) "Person" means any individual, firm, company, association, society, corporation of group.
(22) "pH" means the logarithm of the reciprocal of the weight of hydrogen ions in grams moles per liter of solution.
(23) "Phosphorus" means compounds of orthophosphates, polyphosphates and organic phosphorus.
(24) "ppm" means parts per million.
(25) "Publicly owned treatment works (POTW)" means a treatment works, as defined by section 212 of the Clean Water Act (33 U.S.C. Section 1292), which is owned by the Cities. 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 that transport wastewater to a treatment plant.
(26) "Public sewer" means a sewer in which all owners of abutting properties have equal rights and which is controlled by public authority.
(27) "Replacement charge" means expenditures for obtaining and installing equipment, accessories or appurtenances which are necessary during the useful life of the treatment works to maintain capacity and performance for which such works were designed and constructed.
(28) "Sanitary sewage" means a combination of the liquid and water-carried wastes from the sanitary convenience of residences, business buildings, institutions and commercial and industrial establishments.
(29) "Sanitary sewer" means a sewer which carries sanitary sewage and industrial wastes and to which storm, surface and ground waters are not intentionally admitted.
(30) "Service connection" means any connection which provides sanitary service to a public sewer.
(31) "Sewage treatment plant" means any arrangement of devices and structures used for treating sewage.
(32) "Sewerage works" means all facilities for collecting, pumping, treating and disposing of sewage.
(33) "Sewer" means a pipe or conduit for carrying sewage.
(34) "Sewer service charge" means the fee levied on the sewer user to fund the operation, maintenance, replacement and bond retirement costs for providing wastewater collection and treatment services.
(35) "Shall" is mandatory; "may" is permissive.
(36) "Slug" means any discharge of water, sewage or industrial waste which in concentration of any given constituent or in quantity of flow exceeds for any period duration longer than fifteen minutes more than five times the average twenty-four hour concentration or flows during normal operation.
(37) "Storm sewer" or "storm drain" means a sewer which carries storm, surface waters and drainage, but which excludes sanitary sewage and industrial wastes, other than unpolluted cooling water.
(38) "Storm water" includes rain, surface and other water which is ordinarily discharged into public storm sewers in contrast to such other liquids and solids which are ordinarily discharged into public sanitary sewers.
(39) "Street connection" means that portion of the building sewer located within the street right of way.
(40) "Subsurface drainage" means any water collected by footer drains or other devices below the ground.
(41) "Suspended solids" (SS) 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.
(42) "User charge" means a charge levied on users of the wastewater collection and treatment facilities for the user's proportionate share of the cost of operation and maintenance, including replacement, of such facilities.
(43) "User class" means a group of sewer users which have similar magnitude of wastewater flows and wastewater characteristics.
(44) "Watercourse" means a channel in which a flow of water occurs, either continuously or intermittently.
(45) "Residential user" means one who occupies premises for human habitation, including apartments, etc., but excluding hotels and motels.
(46) "Industrial user" means a user which discharges a waste resulting from manufacturing activities involving the chemical or mechanical transformation of materials or substances into other products.
(47) "Commercial user" means any discharges not meeting the definitions of residential or industrial.
(Ord. 2012-128. Passed 12-6-12.)