Unless the context specifically indicates otherwise, the meaning of terms used shall be as follows:
B.O.D. (DENOTING BIOCHEMICAL OXYGEN DEMAND). The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in 5 days at 20ºC, expressed in parts per million by weight.
BACKWATER VALVE. A device installed on a private sewer lateral designed to prevent water or sewage from coming back up a private sewer lateral.
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 3 feet outside the outer face of the building wall.
BUILDING SEWER. The extension from the building drain to the public sewer or other place of disposal.
COMBINED SEWER. A sewer receiving both surface runoff and sewage.
COMMERCIAL USER. Any user of the treatment works not classified as an Industrial User or a Residential User.
COMMON LATERAL. Any private sewer lateral that services two or more separate structures or properties that may or may not cross properties and or City owned easements and right-of-ways.
DEBT SERVICE CHARGE. The amount to be paid each billing period for payment of interest, principal, and coverage outstanding, and shall be assigned as per § 50.092 hereof.
GARBAGE. Solid wastes from the preparation, cooking, and dispensing of foods, and from the handling, storage, and sale of produce.
INDUSTRIAL USER.
(1) Non-governmental 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, & Fishing.
(b) Division B - Mining.
(c) Division D - Manufacturing.
(d) Division E - Transportation, Communications, Electric and Sanitary Services.
(e) Division I - Services
(2) A user in the Divisions listed may be excluded if it is determined that it will introduce primarily segregated domestic wastes or wastes from sanitary conveniences.
(3) Industries subject to Industrial Cost Recovery which discharge the equivalent of 25,000 gallons a day, or less, of sanitary wastes, are exempt from Industrial Cost. Recovery, provided that the discharges of the industry do not contain pollutants which (1) interfere with the treatment process, (2) are toxic or incompatible, or (3) contaminate or otherwise reduce the utility of the sludge production.
INDUSTRIAL WASTES. The liquid, gaseous. or solid wastes resulting from industrial processes as distinct from segregated domestic wastes or wastes from sanitary conveniences.
INSPECTOR. The Superintendent of Sewers of the City of Mt. Vernon, or his authorized deputy agent, or representative.
MAY. Is permissive.
NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.
NORMAL DOMESTIC SEWAGE. Sewage with a BOD-5 strength of 300 mg/l and a suspended solids strength of 350 mg/l, and which shall not contain toxic wastes, oil, grease, paint, flammables, explosives, or heavy metals.
NPDES. Any permit or equivalent document or requirements issued by the Administrator of the U.S. Environmental Protection Agency or, where appropriate, by the Director of the Illinois Environmental Protection Agency, after enactment of the Federal Water Pollution Control Amendments of 1972 to regulate the discharge of pollutants pursuant to § 402 of the Federal Act.
OPERATION AND MAINTENANCE COSTS. Those costs required for the normal operation and maintenance of the sewage system, but shall not include items of capital expenditure.
PERSON. Any individual, firm, company, association, society, corporation, or group.
pH. The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
PRIVATE SEWER LATERAL. The pipe that connects a structure’s plumbing to the publicly-owned sanitary sewer.
PROPERLY SHREDDED GARBAGE. The wastes from the preparation, cooking and dispensing of food that has been shredded to such degree that all particles will be carried freely under the flow conditions normally prevailing in public sewer, with no particle greater than 1/2 inch in any dimension.
PUBLIC SEWER. A sewer in which all owners of abutting properties have equal rights, and is controlled by public authority.
REPLACEMENT.
(1) Expenditures for obtaining and installing equipment, accessories, or appurtenances which are necessary during the service life of the treatment works to maintain the capacity and performance for which such works are designed and constructed.
(2) The term “Operation and Maintenance” includes REPLACEMENT.
RESIDENTIAL USER. Any user of the treatment works not classified as an Industrial User whose property is used solely for residential purposes and for auxiliary purposes permitted by the zoning ordinances of the City of Mt. Vernon in residential zones.
SANITARY SEWER. A sewer which carries sewage and to which storm surface, and ground waters are not intentionally admitted.
SEWAGE. 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.
SEWAGE TREATMENT PLANT. Any arrangement of devices and structures used for treating sewage.
SEWAGE WORKS. All facilities for collecting, pumping, treating, and disposing of sewage.
SEWER. A pipe or conduit for carrying sewage.
SEWER SERVICE CHARGE. The charge per month levied upon all users of the sanitary sewer system of the City of Mt. Vernon.
SHALL. Is mandatory;
STORM SEWER or STORM DRAIN. A sewer which carries storm and surface waters and drainage, but excludes sewage and polluted industrial wastes.
SUSPENDED SOLIDS. 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.
WATERCOURSE. A channel in which a flow of water occurs, either continuously or intermittently.
(Prior Code, Art. 16, § 16.7(a))