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(A) For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
ACT. The Federal Water Pollution Control Act also known as the Clean Water Act, as amended, 33 USC §§ 1251 et seq.
BIOCHEMICAL OXYGEN DEMAND or BOD5. The quantity of oxygen utilized in the biochemical oxidation of organic matter according to the latest edition of Standard Methods for the Examination of Water and Wastewater, expressed in terms of weight and concentration (milligrams per liter, mg/l).
CITY. The City of Waseca.
COOLING WATER. The water discharged from any use such as air conditioning, cooling or refrigeration, or during which the only pollutant added to the water is heat.
ENGINEER. The Director of Engineering or the person's duly authorized representative.
INDUSTRIAL USER. A person who discharges to the city's wastewater disposal system liquid wastes resulting from the processes employed in industrial, manufacturing, trade or business establishments, or from the development of any natural resource.
MAY. The act referred to is permissive.
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PERMIT. Any permit or requirements issued by the Minnesota Pollution Control Agency (MPCA) pursuant to the Federal Water Pollution Control Act, as amended (33 USC §§ 1251 et seq.); for the purpose of regulating the discharge of sewage, industrial wastes or other wastes under the authority of Section 402 of the Act.
PERSON. The state or any agency or institution thereof, any municipality, governmental subdivision, public or private corporation, individual, partnership or other entity, including, but not limited to association, commission or any interstate body, and including any officer or governing or managing body of any municipality, governmental subdivision or public or private corporation, or other entity.
pH. The logarithm of the reciprocal of the concentration of hydrogen ions in grams per liter of solution.
PRETREATMENT. The process of reducing the amount of pollutants, eliminating pollutants or altering the nature of pollutant properties in wastewater to a less harmful state prior to or in lieu of discharging or otherwise introducing the pollutants into the city's wastewater disposal system. The reduction, elimination or alteration may be obtained by physical, chemical or biological processes, process changes or other means.
SHALL. The act referred to is mandatory.
SIGNIFICANT INDUSTRIAL USER. Any industrial user of the city's wastewater disposal system which:
(a) Has a discharge flow of 25,000 gallons or more per average work day;
(b) Has in its wastes toxic pollutants as defined pursuant to Section 307 of the Act or Minnesota Statutes and Rules;
(c) Has a significant impact, either singly or in combination with other contributing industries, on the wastewater disposal system, the quality of sludge, the system's effluent quality or air emissions generated by the system;
(d) Has a flow greater than 5% of the flow of the city's wastewater disposal system; or
(e) As established by the Minnesota Pollution Control Agency through the NPDES permit issued to the city.
STATE. The State of Minnesota.
STATE DISPOSAL SYSTEM PERMIT. Any permit (including any terms, conditions and requirements thereof), issued by the MPCA pursuant to M.S. § 115.07, as it may be amended from time to time, for a disposal system, as defined by M.S. § 115.01 (8), as it may be amended from time to time.
STORM WATER. Any flow occurring during or following any form of natural precipitation and resulting therefrom.
SUPERINTENDENT. The Superintendent of the wastewater disposal system of the city or the person's duly authorized representative.
SUSPENDED SOLIDS. The total suspended matter that floats on the surface of, or is suspended in, water, wastewater or other liquids, and which is removable by a standard glass fiber filter.
USER. Any person who discharges, causes or permits the discharge of wastewater into the city's wastewater disposal system.
WASTEWATER. The liquid and water-carried industrial or domestic wastes from dwellings, commercial buildings, industrial facilities and institutions, together with any groundwater, surface water and stormwater that may be present, whether treated or untreated, which is discharged into or permitted to enter the city's wastewater disposal system.
WASTEWATER DISPOSAL SYSTEM or SYSTEM. Any devices, facilities, structures, equipment or works owned or used by the city for the purpose of the transmission, storage, treatment, recycling and reclamation of industrial and domestic wastewater or necessary to recycle or reuse water, including intercepting sewers, outfall sewers, sewage collection system, pumping power and other equipment and their appurtenances; extensions, improvements, remodeling, additions and alterations thereof; elements essential to provide a reliable recycled water supply such as standby treatment units and clear well facilities; and any works, including land that will be an integral part of the treatment process or is used for ultimate disposal of residues resulting from the treatment.
WATERS OF THE STATE. All streams, lakes, ponds, marshes, watercourses, waterways, wells, springs, reservoirs, aquifers, irrigation systems, drainage systems and all other bodies or accumulations of water, surface or underground, natural or artificial, public or private, which are contained within, flow through or border upon the state or any portion thereof.
(B) Terms not otherwise defined herein shall be given in M.S. Chs. 115 and 116, as amended.
(`86 Code, § 3.28)