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(a) Unless the context specifically indicates otherwise, the meaning of terms used in this chapter shall be as follows:
(1) "Sewage works" means all facilities for collecting, pumping, treating and disposing of sewage.
(2) "Service-Safety Director" means the Service-Safety Director of Ontario, or his authorized deputy, agent or representative.
(3) "Sewage" means a combination of water-carried wastes from residences, business buildings, institutions and industrial establishments, together with such ground, surface and storm waters as may be present.
(4) "Sewer" means a pipe or conduit for carrying sewage.
(5) "Public sewer" means a sewer in which all owners of abutting properties have equal rights, and is controlled by public authority.
(6) "Combined sewer" means a sewer receiving both surface runoff and sewage.
(7) "Sanitary sewer" means a sewer which carries sewage and wastes and to which storm, surface, and ground waters are not intentionally admitted.
(8) "Storm sewer" or "storm drain" means a sewer which carries storm and surface waters and drainage, but excludes sewage and polluted industrial wastes.
(9) "Sewage treatment plant" means any arrangement of devices and structures used for treating sewage.
(10) "Industrial wastes" means the liquid wastes from industrial or commercial processes as distinct from sanitary sewage.
(11) "Garbage" means solid wastes from the preparation, cooking and dispensing of food, and from the handling, storage and sale of produce.
(12) "Properly shredded garbage" means the wastes from the preparation, cooking and dispensing of foods that have been shredded to such 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.
(13) "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 three feet outside the inner face of the building wall.
(14) "Building sewer" means the extension from the building drain to the public sewer or other place of disposal.
(15) "B.O.D." (denoting Biochemical Oxygen Demand) means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures in five days at twenty degrees centigrade, expressed in milligrams per liter by weight.
(16) "pH" means the logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
(17) "Suspended solids" 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.
(18) "Source" means the total discharge from a plant, commercial business or residential location.
(19) "Natural outlet" means any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.
(20) "Watercourse" means a channel in which a flow of water occurs, either continuously or intermittently.
(21) "Person" means any individual, firm, company, association, society, corporation or group.
(22) "Shall" is mandatory; "may" is permissive.
(23) "City" means the City of Ontario, County of Richland, State of Ohio.
(24) "City Engineer" means and designate the City Engineer of the City of Ontario, Ohio.
(25) "Plumbing Inspector" means and designate the Plumbing Inspector of the Mansfield-Richland County Board of Health.
(26) "Private sewer" means a sewer constructed and serving residential units under private ownership.
(27) "Semiprivate sewer" means a sewer constructed and serving an industrial complex, trailer park or other similar entities situated on private property in which all occupants on the property have equal rights.
(28) "Industrial user" means and designates any nongovernmental user of publicly owned treatment works identified in the Standard Industrial Classification Manual, 1972, Office of Management and Budget, as amended and supplemented, under the following divisions:
A. Division A. Agriculture, forestry and fishing.
B. Division B. Mining.
C. Division D. Manufacturing.
D. Division E. Transportation, communications, electric, gas and sanitary services.
E. Division I. Services. A user in the divisions listed shall be excluded if it is determined that it will introduce primarily segregated domestic wastes or wastes from sanitary conveniences.
The above definition of "industrial user" must be carefully examined with reference to the Industrial Classification Manual. The definition includes those manufacturing and processing enterprises which are commonly regarded as industries, but also may include businesses such as laundries, which may not commonly be regarded as industries. Certain other businesses, such as restaurants and filling stations, are not included.
(29) "Federal Act" means and designates the Federal Water Pollution Control Act Amendments of 1972, Public Law 95-217, and any amendments thereto; as well as any guidelines, limitations, and standards promulgated by the U.S. Environmental Protection Agency pursuant to the act.
(30) "NPDES Permit" means and designates a National Pollutant Discharge Elimination System Permit issued pursuant to Part 125 of the Federal Act.
(31) "Major contributing industry" means and designates an industrial user of the publicly owned sewage treatment plant that:
A. Has a flow of 50,000 gallons or more per average work day;
B. Has a flow greater than five percent (5%) of the flow carried by the sewage works receiving the waste;
C. Has in its waste, a toxic pollutant in toxic amounts as defined in standards issued under Section 307(a) of the Federal Act; or
D. Is found by the permit issuance authority, in connection with the issuance of an NPDES permit to the publicly owned sewage treatment plant receiving the industrial waste, to have significant impact, either singly or in combination with other contributing industries, on that sewage treatment plant or upon the quality of effluent from that sewage treatment plant.
(32) "Slug" means any discharge of water or wastewater which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than fifteen minutes or more than five times the average twenty-four hour concentration or flows during normal operation and shall adversely affect the collection system and/or performance of the wastewater treatment works.
(Ord. 80-24. Passed 3-20-80.)