Terms used in this chapter shall mean as follows:
ADMINISTRATOR: The city administrator or his designee.
BOD: Biochemical oxygen demand, which is defined as the quantity of oxygen used in the biochemical oxidation of organic matter in five (5) days at twenty degrees Celsius (20°C), determined by standard laboratory test procedures and expressed in milligrams per liter.
BUILDING DRAIN: That part of the lowest piping of a drainage system which receives the discharge from soil, waste, and other drainage pipes inside the walls of a building and conveys it to the building sewer or other approved point of discharge, beginning five feet (5') (1.5 meters) outside the inner face of the building wall.
BUILDING OFFICIAL: The building official of the city or his authorized deputy or representative.
BUILDING SEWER: The extension from the building drain to the public sewer or other place of disposal.
CONTROL MANHOLE: A structure specifically designed and constructed for sampling and metering industrial wastes discharged to a public sewer.
DISTRICT: The North Shore sanitary district of Lake County, Illinois.
EASEMENT: An acquired legal right for the specific use of land owned by others.
FEDERAL ACT: The federal water pollution control act (33 USC 1251 et seq.), as amended by the federal water pollution control act of amendments of 1972 (public law 92-500 and public law 93-243).
GARBAGE: Solid wastes from the domestic and commercial preparation, cooking and dispensing of food, and from the handling, storage and sale of produce.
INDUSTRIAL WASTE: The wastewater discharged, permitted to flow, or escaping from any industrial, manufacturing, commercial or business establishment or process, or from the development, recovery or processing of any natural resource as distinct from employee wastes or wastewater from sanitary conveniences.
mg/l: Milligrams per liter.
NATURAL OUTLET: Any outlet into a watercourse, pond, ditch, lake, or other body of surface water.
PERSON: Any and all persons, natural or artificial, including any individual, firm, company, public or private corporation, association, society, institution, enterprise, governmental agency or other entity.
pH: The logarithm (base 10) of the reciprocal of the hydrogen ion concentration expressed in grams, molecular weight (moles) per liter.
PRETREATMENT: The treatment of wastewaters from sources before discharge into the public sewer.
PROPERLY SHREDDED GARBAGE: Garbage that has 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 (1/2") (1.27 centimeters) in any dimension.
PUBLIC SEWER: A sewer in which all owners of abutting properties have equal rights of connection and use, and is operated, maintained and controlled by the city.
SANITARY SEWER: A sewer that conveys sewage and polluted industrial wastes, and to which stormwater, surface drainage, ground water or unpolluted wastewater is not intentionally admitted.
SEWAGE: A combination of the wastewater from residential, commercial, industrial and institutional buildings, together with such ground water infiltration and surface water inflow that may be in the sewers.
SEWAGE TREATMENT PLANT: An arrangement of devices, structures and processes for treating and disposing of sewage.
SEWER: A pipe or conduit for conveying sewage or any other wastewater, including stormwater, surface water and ground water drainage.
SEWERAGE WORKS: All facilities of the city for collecting, pumping, treating and disposing of sewage and industrial wastes.
SHALL; MAY: "Shall" means mandatory; "may" means permissive.
SLUG: Any discharge of sewage, industrial waste or other wastewater which, in concentration of any given constituent or in quantity of flow, exceeds, for any period of duration longer than fifteen (15) minutes, more than five (5) times the average twenty four (24) hour concentration of flows during normal operation.
STATE ENVIRONMENTAL PROTECTION ACT: The Illinois environmental protection act effective July 1970, 415 Illinois Compiled Statutes 5/1 et seq.
STORM SEWER OR STORM DRAIN: A sewer that conveys stormwater runoff and surface water drainage, but excludes sewage and polluted industrial wastes.
STORMWATER RUNOFF: That portion of precipitation which is not absorbed into the ground and which is drained from the ground surface to a natural outlet or watercourse.
SUPERINTENDENT: The superintendent of public works of the city or his authorized deputy or representative.
SUSPENDED SOLIDS: Solids that either float on the surface of, or are in suspension in water, sewage, industrial wastes, or other wastewaters, the quantity of which is determined by standard laboratory filtering test procedures and referred to as nonfilterable residue expressed in milligrams per liter.
UNPOLLUTED WASTEWATER: Wastewater that would not cause any violation of water quality standards of the water pollution regulations of Illinois when discharged to a natural outlet or watercourse.
WASTEWATER: The wastewater from any domestic, commercial, industrial and institutional uses.
WATERCOURSE: Any stream, creek, brook, branch, natural or artificial depression, slough, gulch, ditch, reservoir, lake, pond or other natural or manmade drainageway in or into which stormwater runoff and surface water drainage flow either continuously or intermittently. (Ord. 81-O-8, 6-5-1981; amd. 2009 Code)