For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BOD (DENOTING BIOCHEMICAL OXYGEN DEMAND). The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures in five days at 20°C, expressed in milligrams per liter as determined in accordance with the latest edition of Standard Methods for the Examination of Water and Wastewater.
BUILDING DRAIN. The 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 buildings and conveys it to the building sewer, beginning five feet (1.4 meters) outside the inner face of the building wall.
BUILDING SEWER. Also called HOUSE CONNECTION or SERVICE CONNECTION, means the pipe extending from the building drain to the public sewer, also called house connection or service connection, or from the building drain to the septic tank.
CHLORINE REQUIREMENT. The amount of chlorine, in milligrams per liter, which must be added to sewage to produce a specified residual chlorine content in accordance with procedures set forth in Standard Methods.
COMBINED SEWER. A sewer intended to receive both wastewater and storm or surface water.
EASEMENT. An acquired legal right for the specific use of land owned by others.
FLOATABLE OIL. Oil, fat or grease in a physical state such that it will separate by gravity from wastewater by treatment in an approved pretreatment facility. A wastewater shall be considered free of FLOATABLE OIL if it is properly pretreated and the wastewater does not interfere with the collection system.
GARBAGE. The animal and vegetable waste resulting from the handling, preparation, cooking and service of foods.
GROUND GARBAGE. Garbage that has been shredded to such degree that all particles will be carried freely in suspension under the flow conditions normally prevailing in public sewers with no particle greater than one-half inch in any dimension.
GROUNDWATER DISCHARGE PERMIT. The state’s groundwater discharge licensing program which is administered by the Groundwater Quality Division of the Department of Natural Resources under the village by Public Act 451 of 1994, being M.C.L.A. § 324.3122, as amended, and under the direction of Part 22 and which sets monitoring requirements and maximum contaminant levels for discharges to the groundwater in excess of 10,000 gallons per day.
INDUSTRIAL WASTES. The wastewater from industrial processes or trade as distinct from sanitary sewage.
MAY. Is permissive.
NATURAL OUTLET. Any outlet, including storm sewers and combined sewer overflows, into a watercourse, pond, ditch, lake or other body of surface of groundwater.
NORMAL DOMESTIC STRENGTH WASTE. A liquid waste that is generated by a typical residence with the assumed concentrations of 200 mg/l BOD and 240 mg/l suspended solids.
NPDES PERMIT (NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM PERMIT). The permit issued pursuant to the licensing method used to maintain effluent quality standards by the Department of Natural Resources when authorizing the discharge of a liquid pollutant into a surface water of the state, and includes monitoring requirements and maximum contaminant levels for the discharge.
ON-SITE SEPTIC SYSTEM. The structures, processes, equipment and arrangements necessary to treat and discharge safely underground wastewaters originating on the site from individual dwellings and/or structure, and shall include facilities located off-site other than where sewage is generated.
OPERATION AND MAINTENANCE COST (O&M COSTS). The expenses related to the cost of the operation, maintenance and administration of the wastewater treatment facility or on-site septic system.
PARTS PER MILLION. Also MILLIGRAMS PER LITER is a weight to weight ratio; the parts per million value multiplied by a factor 8.345 shall be equivalent to pounds per million gallons of water.
PERSON. Any individual, firm, company, association, society, corporation or group.
pH. The logarithm of the reciprocal of the hydrogen ion concentration. The concentration is the weight of hydrogen ions, in grams, per liter of solution. Neutral water, for example, has a pH value of 7 and a hydrogen ion concentration of 107.
PUBLIC SEWER. A common sewer serving two or more residences and controlled by a governmental agency or public utility.
SANITARY SEWAGE.
(1) Synonymous with NORMAL DOMESTIC STRENGTH WASTE and shall mean any combination of liquid and water-carried wastes discharged from sanitary plumbing facilities.
(2) SANITARY SEWAGE shall be assumed to have the following waste parameters and concentrations:
(a) BOD: 200 mg/l;
(b) Suspended solids: 240 mg/l; and
(c) Other: substances as prohibited or limited in this chapter.
SANITARY SEWER. A sewer that carries liquid and water-carried wastes from residences, commercial buildings, industrial plants and institutions together with minor quantities of ground, storm and surface waters that are not admitted intentionally.
SEPTIC TANK.
(1) An underground storage tank that meets the requirements of the State Department of Public Health Guidelines for Subsurface Sewage Disposal (Dec. 1977), Part VIII.
(2) The minimum tank size shall be 1,000 gallons for a residence and a commercial building with water use comparable to a residence and at least a 1,500 gallon for a commercial business with water use greater than a typical residence.
SEWAGE. The spent water of a community. The preferred term is WASTEWATER.
SEWER. A pipe of conduit that carries wastewater or drainage water.
SHALL. Is mandatory.
SLUG. 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 15 minutes more than five times the average 24 hour concentration or flows during normal operation and shall adversely affect the collection system and/or performance of the wastewater treatment works.
STANDARD METHODS. The examination and analytical procedures set forth in the most recent edition of Standard Methods for the Examination of Water, Sewage and Industrial Wastes published jointly by the American Public Health Association, the American Water Works Association and the Federation of Sewage and Industrial Wastes Associations.
STORM DRAIN. Sometimes termed STORM SEWER, shall mean a drain or sewer for conveying water, groundwater, subsurface water or unpolluted water from any source.
STORM WATER RUNOFF. The portion of the rainfall that is drained into the sewers.
SUSPENDED SOLIDS (SS). Total suspended matter that either floats on the surface of, or is in suspension in, water, wastewater or other liquids, and that is removable by laboratory filtering as prescribed in Standard Methods for the Examination of Water and Wastewater and referred to as NONFILTERABLE RESIDUE.
UNPOLLUTED WATER. Water of quality equal to or better than the effluent criteria in effect or water that would not cause violation of receiving water quality standard and would not be benefitted by discharge to the sanitary sewers and wastewater treatment facilities provided.
VILLAGE. The Village of Calumet or its duly authorized deputy, agent or representative.
WASTEWATER. The spent water of a community. From the standpoint of source, it may be a combination of the liquid and water-carried wastes form residences, commercial buildings, industrial plants and institutions, together with any groundwater, surface water and storm water that may be present.
WASTEWATER DISPOSAL SYSTEM. Any facility, appurtenant structure or arrangement of devices used for the treatment of sewage and includes the sewer system.
WASTEWATER FACILITIES OR SEPTIC SYSTEM. The structures, equipment and processes required to collect, carry away and treat domestic and industrial wastes and dispose of the effluent.
WASTEWATER TREATMENT WORKS. An arrangement of devices and structures for treating wastewater, industrial wastes and sludge.
(Ord. 130, passed 5-19-1992)