§ 50.001 DEFINITIONS.
   For the purpose of this title, the following definitions apply unless the context clearly indicates or requires a different meaning.
   ADMINISTRATION. Those fixed costs attributable to administration of the water and wastewater systems (such as billing and associated bookkeeping and accounting costs).
   BOD (BIOCHEMICAL OXYGEN DEMAND). The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20°C expressed in milligrams per liter. Laboratory procedures shall be in accordance with the latest edition of Standard Methods for the Examination of Water and Wastewater.
   BUILDING DRAIN. That part of the lower 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 five feet outside the inner face of the building wall.
   BUILDING SEWER. The extension from the building drain to the public sewer or other place of disposal, also called HOUSE CONNECTION.
   CITY. The area within the corporate boundaries of the City of Battle Lake, as presently established or as amended by ordinance or other legal actions at a future time. The term CITY when used herein may also be used to refer to the City Council and its authorized representatives.
   COD (CHEMICAL OXYGEN DEMAND). The quantity of oxygen utilized in the chemical oxidation of organic matter, expressed in milligrams per liter, as determined in accordance with standard laboratory procedures as set out in the latest edition of Standard Methods for the Examination of Water and Wastewater.
   COMBINED SEWER. A sewer originally designated to receive both surface water runoff and sewage.
   COMMERCIAL USER. Any place of business which discharges sanitary waste as distinct from industrial wastewater.
   COMMERCIAL WASTEWATER. Domestic wastewater emanating from a place of business as distinct from industrial wastewater.
   DEBT SERVICE CHARGE. A charge levied on users of water and wastewater facilities for the cost of repaying money bonded to construct said facilities.
   EXTRA STRENGTH WASTE. Wastewater having a BOD and/or TSS greater than domestic waste as defined in NORMAL DOMESTIC STRENGTH WASTEWATER, and not otherwise classified as an incompatible waste.
   GARBAGE. Solid waste resulting from the domestic and commercial preparation, cooking, and dispensing of food and from the handling, storage, or sale of meat, fish, fowl, fruit, vegetable, or condemned food.
   GOVERNMENTAL USER. Users of water and sewer facilities which are units, agencies, or instrumentalities of federal, state, or local government discharging normal domestic strength wastewater.
   INCOMPATIBLE WASTE. Waste that either singly or by interaction with other wastes interferes with any waste treatment process, constitutes a hazard to humans or animals, creates a public nuisance, or creates any hazard in the receiving waters of the wastewater treatment works.
   INDUSTRIAL WASTES. The solid, liquid, or gaseous wastes resulting from an industrial or manufacturing processes, trade, or business, or from the development, recovery, or processing of natural resources.
   INDUSTRIAL WASTEWATER. The liquid processing wastes from an industrial manufacturing process, trade, or business including but not limited to all Standard Industrial Classification Manual Division A, B, D, E, and I manufacturers and distinct from domestic wastewater.
   INDUSTRIES or INDUSTRIAL USERS.
      (1)   Entities that discharge into a publicly owned wastewater treatment works, liquid wastes resulting from the processes employed in industrial manufacturing processes, or from the development of any natural resources. These are identified in the Standard Industrial Classification Manual, 1972, Office of Management and Budget, as amended and supplemented under one of the following divisions: Division A. Agriculture, Forestry and Fishing; Division B. Mining; Division D. Manufacturing; Division E. Transportation, Communications, Electric, Gas, and Sanitary Sewers; and Division I. Services.
      (2)   For the purpose of this definition, DOMESTIC WASTE shall be considered to have the following characteristics:
         (a)   BOD less than 350 mg/l; and
         (b)   Suspended solids less than 383 mg/l.
      (3)   Any nongovernmental user of a publicly owned treatment works which discharges wastewater to the treatment works which contains toxic pollutants or poisonous solids, liquids, or gases in sufficient quantity either singly or by interaction with other wastes, to contaminate the sludge of any municipal systems, or to injure or to interfere with any sewage treatment proves, or which constitutes a hazard to humans or animals, creates a public nuisance, or creates any hazard in or has an adverse effect on the waters receiving any discharge from the treatment works.
   INFLOW/INFILTRATION (I/I). The total quantity of water entering a sanitary sewer system from roof drains, basement sumps, manhole covers, and the like (INFLOW) and through joints and cracks in the sewer after having traveled through soil (INFILTRATION).
   INSTITUTIONAL USER. Users other than commercial, industrial, or residential users, discharging primarily normal domestic strength wastewater (such as nonprofit organizations).
   MAY. Is permissive.
   NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake, or other body of surface groundwater.
   NORMAL DOMESTIC STRENGTH WASTES. Wastes which are characterized by 350 mg/l BOD and 383 mg/l suspended solids.
   NORMAL DOMESTIC STRENGTH WASTEWATER. Wastewater that is primarily produced by residential users, with BOD concentrations not greater than 350 mg/l and suspended solids concentrations not greater than 383 mg/l.
   NPDES PERMIT (NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM). The system for issuing, conditioning, and denying permits for the discharge of pollutants from point sources into the navigable waters, the contiguous zone and the oceans by the Environmental Protection Agency pursuant to the Federal Water Pollution Control Act of 1972, §§ 402 and 405, being 33 U.S.C. §§ 1342 et seq.
   OPERATION AND MAINTENANCE COSTS. Expenditures for operation and maintenance, including replacement.
   OPERATIONS AND MAINTENANCE. Activities required to provide for the dependable and economical functioning of water and sewer facilities throughout the design or useful life, whichever is longer, of such water and sewer facilities, and at the level of performance for which the facilities were constructed.
   OTHER WASTES. Garbage, municipal refuse, decayed wood, sawdust, shavings, bark, lime, sand, ashes, oil, tar, chemicals, offal, and other substances except sewage and other wastes.
   PERSON. Any individual, firm, company, association, society, corporation, municipal corporation, governmental unit, or group.
   pH. Logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
   PROCESS WATER. Any water used in the manufacturing, preparation, or production of goods, material, or foods. PROCESS WATER is an industrial waste.
   PUBLIC SEWER. Any sewer owned or operated by a unit or agency of government.
   REPLACEMENT. Obtaining and installing equipment, accessories, or appurtenances of the water and sewer facilities to maintain the capacity and performance for which such facilities were designed and constructed.
   RESIDENTIAL USER. A user of the water and sewer service facilities whose premises or building is used primarily as a residence for one or more persons, including dwelling units such as detached and semi-detached housing, apartments, and mobile homes; and which discharges primarily normal domestic strength sanitary wastes.
   SANITARY SEWER. A sewer which carries sewage, and to which storm, surface, and ground water is not intentionally admitted.
   SANITARY WASTE. The liquid and water-carried wastes discharged from sanitary plumbing facilities.
   SEWAGE or WASTEWATER. The water-carried waste products from residences, public buildings, institutions, industrial establishments, or other buildings including the excrementitious or other discharge from the bodies of human beings or animals, together with such ground, surface, and storm waters as may be present.
   SEWER. A pipe or conduit for carrying sewage, industrial wastes, or other waste liquids.
   SEWER SERVICE CHARGE. The aggregate of all charges, including charges for operation, maintenance, replacement, debt service, and other sewer related charges that are billed periodically to users of the city’s wastewater collection and treatment facilities.
   SEWER SERVICE FUND. A fund into which income from sewer service charges is deposited along with other income, including taxes intended to retire debt incurred through capital expenditure for wastewater collection and treatment. Expenditure of the SEWER SERVICE FUND will be for operation, maintenance, and replacement costs; and to retire debt incurred through capital expenditure for wastewater collection and treatment.
   SEWER SYSTEM. Pipelines or conduits, pumping stations, force mains, and all other devices and appliances appurtenant thereto, used for collecting or conducting sewage, industrial wastes, or other wastes to a point of ultimate disposal.
   SHALL. Is mandatory.
   SLUG. Any discharge of water, wastewater, or industrial waste 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 of flows during the normal operation.
   STANDARD INDUSTRIAL CLASSIFICATION MANUAL. Office of Management and Budget, 1972.
   STORM SEWER or STORM DRAIN. Sewer which carries storm or surface water and drainage, but excludes sewage and industrial waste, other than unpolluted cooling or process water.
   SUSPENDED SOLIDS (SS) or TOTAL SUSPENDED SOLIDS (TSS). The total suspended matter that either floats on the surface or is in suspension in water, wastewater, or other liquids, and is removable by laboratory filtering as prescribed in the latest edition of Standard Methods for the Examination of Water and Wastewater, and referred to as nonfilterable residue.
   TOXIC POLLUTANT. The concentration of any pollutant or combination of pollutants as defined in standard issued pursuant to § 307(a) of the Clean Water Act, being 33 U.S.C. § 1317a, which upon exposure to or assimilation into any organism will cause adverse effects.
   UNPOLLUTED WATER. Clean water uncontaminated by industrial wastes, other wastes, or any substance which renders such water unclean or noxious or impure so as to be actually or potentially harmful or detrimental or injurious to public health, safety, or welfare to domestic, commercial, industrial, or recreational uses; or to livestock, wild animals, birds, fish, or other aquatic life.
   USER CHARGE. A charge levied on users of water and sewer facilities for the user’s proportionate share of the cost of operation and maintenance, including replacement.
   USERS. Those residential, commercial, governmental, institutional, and industrial establishments which are connected to the public water and sewer systems.
   WASTEWATER. The spent water of a community, also referred to as SEWAGE. From the standpoint of source, it may be a combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants, and institutions together with any ground water, surface water, and storm water that may be present.
   WASTEWATER COLLECTION SYSTEM. A system of sanitary sewers owned, maintained, operated, and controlled by the city.
   WASTEWATER FACILITIES. The structures, equipment, or processes required to collect, carry away, and treat domestic and industrial wastes and dispose of the effluent.
   WASTEWATER TREATMENT WORKS or TREATMENT WORKS. An arrangement of devices and structures for treatment of wastewater, industrial waste, and sludge. Sometimes used as a synonym for WASTEWATER TREATMENT PLANT, WASTE TREATMENT PLANT, WATER POLLUTION CONTROL PLANT, or SEWAGE TREATMENT PLANT.
   WATER DISTRIBUTION SYSTEM. A system of pipelines or conduits, wells, and pumps, and all other devices and appliances appurtenant thereto, operated and controlled by the city and used for distributing or conducting water to users.
   WATER SERVICE CHARGE. The aggregate of all charges, including charges for operation, maintenance, replacement, debt service, and other sewer related charges that are billed periodically to users of the city’s water distribution and storage facilities.
   WATER SERVICE FUND. A fund into which income from water service charges is deposited along with other income, including taxes intended to retire debt incurred through capital expenditure for water distribution and storage. Expenditure of the WATER SERVICE FUND will be for operation, maintenance, and replacement costs; and to retire debt incurred through capital expenditure for water distribution and storage.
   WATER STORAGE FACILITIES. An elevated tank structure or water tower, used for water storage.
(Prior Code, § 50.00)