Unless the context indicates otherwise, the meanings of terms used in this article shall be as follows:
ACT: The federal water pollution control act amendments of 1972, and subsequent amendments, including the clean water act of 1977.
AUTHORIZED REPRESENTATIVE OF INDUSTRIAL USER: A principal executive officer of at least the level of vice president, if the industrial user is a corporation; a general partner or proprietor if the industrial user is a partnership or proprietorship, or a duly authorized representative of the individual designated above if such representative is responsible for the overall operation of the facility from which the indirect discharge originates.
BOD OR BIOCHEMICAL OXYGEN DEMAND: The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory methods of five (5) days at twenty degrees Celsius (20°C), expressed in terms of weight and concentration (milligrams per liter).
BIOCIDES: Those chemical compounds commonly known as herbicides, fungicides, rodenticides, insecticides, or bactericides.
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 five feet (5') outside the inner face of the building wall.
BUILDING SEWER: The extension from the building drain to the utility or other place of disposal.
BYPASS: The intentional diversion of waste streams from any point of a user's service connection.
CDPS OR COLORADO DISCHARGE PERMIT SYSTEM: The program for issuing, conditioning, and denying permits for the discharge of pollutants from point sources into surface water of the state of Colorado under conditions of the delegation of authority to administer a state water quality control program pursuant to section 402 of the act.
CERTIFIED FACILITY OPERATOR: That qualified person, who is trained and certified by the state of Colorado and/or the United States of America, as may be applicable, and who is appointed and employed by the town for the purpose of testing, monitoring, and assuring compliance with the town as to the requirements of the town's Colorado discharge permit, and who is qualified to perform those duties as set forth in sections 6-3B-10 through 6-3B-14 of this article.
COLLECTION LINE: That portion of the wastewater treatment system which collects and transmits wastewater from users to the wastewater treatment plant, excluding service lines.
COMBINED SEWER: A sewer line receiving both surface runoff and sewage.
COMMERCIAL: That use which pertains to all wastewater service provided to other than residential, restaurant, or industrial users.
COMPLIANCE SCHEDULE: A schedule containing increments of progress in the form of dates for the commencement and/or completion of major events leading to the construction and operation of additional treatment or pretreatment required for the user to meet the applicable treatment or pretreatment standards.
COMPOSITE SAMPLE: Multiple samples collected at equally spaced intervals or proportioned according to flow, which may be flow paced, and combined into one sample.
CONVENTIONAL POLLUTANT: BOD, suspended solids, pH, and fecal coliform bacteria, and such additional pollutants as are now or may in the future be specified and controlled in the utility's permit for its wastewater treatment works where said works have been designed and used to reduce or remove pollutants.
COOLING WATER: The water discharged from uses such as air conditioning or refrigeration or to which the only pollutant added is heat.
CUSTOMER OR USER: The person or authorized agent of the person or entity designated on the records of the town as the person responsible for payment of charges incurred for the use of the wastewater service system at the premises being served.
DOMESTIC WASTES OR SANITARY WASTES: Liquid waste from the noncommercial preparation, cooking and handling of food, or that which contains human excrement and similar matter discharged into a collection line from the sanitary conveniences of dwellings, commercial buildings, industrial facilities, and other institutions.
FIXTURE UNIT EQUIVALENT: The unit value prescribed for plumbing fixtures as set out in the uniform plumbing code, latest edition, computed on the basis of the design capability of such fixture to permit the flow of water or wastewater.
GARBAGE: Solid wastes from the domestic and commercial preparation, cooking and dispensing of food, and from the handling, storage, and sale of food and produce.
GRAB SAMPLE: A single dip and take sample collected so as to be representative of the parameter being monitored.
INCOMPATIBLE POLLUTANT: Any pollutant which is not a "conventional pollutant" as defined herein.
INDIVIDUAL WASTEWATER DISPOSAL SYSTEM: A septic tank, cesspool or similar self-contained receptacle or facility which collects and/or treats or otherwise disposes of wastewater and which is not connected to the wastewater treatment system of the town.
INDUSTRIAL USER: A source of indirect discharge under regulations pursuant to or for which local pretreatment standards have been published by the environmental protection agency or for which local pretreatment standards have been established.
INDUSTRIAL WASTES: Any liquid, solid, or gaseous waste or form of energy or combination thereof resulting from any process or operational procedure of an industrial user, that is nondomestic in nature, and is distinct from sanitary wastes.
INTERFERENCE: Inhibition or disruption of the POTW's sewer system, treatment processes or operations or which contributes to a violation of any requirement of the town's permit. The term includes prevention of sewage sludge use or disposal by the POTW in accordance with section 405 of the act or any criteria, guidelines or regulations developed pursuant to the solid wastes disposal act, the resource conservation and recovery act, the clean air act, the toxic substances control act, or more stringent state criteria applicable to the method of disposal or use employed by the POTW.
NPDES OR NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM: The program for issuing, conditioning, and denying permits for the discharge of pollutants from point sources into the navigable waters, the contiguous zone, and the oceans pursuant to section 402 of the act. This shall be analogous with the term CDPS, Colorado discharge permit system, wherein the state of Colorado is delegated the authorities and responsibilities outlined above.
NATURAL OUTLET: Any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.
NEW SOURCE: Any industrial user, the construction of which is commenced after the effective date of regulations prescribing a section 307(c) (33 USC 1317) categorical pretreatment standard which will be applicable to such industrial user.
NORMAL DOMESTIC STRENGTH WASTEWATER: Wastewater that when analyzed by standard methods contains no more than two hundred milligrams per liter (200 mg/l) of suspended solids and two hundred milligrams per liter (200 mg/l) of BOD.
PERMIT: The right of discharge of domestic or sanitary wastes into the town's collection lines.
pH: The logarithm of the reciprocal of the concentration of hydrogen ions in moles per liter of solution, measured in a scale from one to fourteen (14) (1 to 7 = acidic; 7 to 14 = base) with seven (7) being neutral.
PRETREATMENT: Application of physical, chemical and/or biological processes to reduce the amount of pollutants in or to alter the nature of the pollutant properties in wastewater prior to discharging such wastewater into the wastewater treatment system.
PRETREATMENT STANDARDS: All applicable federal rules and regulations implementing section 307 of the act, as well as any nonconflicting state or local standards. In cases of conflicting standards or regulations, the more stringent thereof shall be applied.
PROPERLY SHREDDED GARBAGE: The wastes from the preparation, cooking and dispensing of food that have 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") in any dimension.
PUBLICLY OWNED TREATMENT WORKS (POTW), WASTEWATER TREATMENT SYSTEM, SEWER SYSTEM, OR WASTEWATER SYSTEM: Any devices, facilities, structures, equipment or works owned or used by the town for the purpose of the transmission, storage, treatment, recycling, and reclamation of domestic wastes, or necessary to recycle or reuse water, including intercepting sewers, outfall sewers, natural treatment systems, collection lines, pumping, power and other equipment, and their appurtenances and excluding service lines; extensions, improvements, additions, alteration, or any remodeling thereof; elements essential to provide a reliable recycled supply such as standby treatment units and clear well facilities; and any works, including the land and sites that may be acquired, that will be an integral part of the treatment process or is used for ultimate disposal of residues resulting from such treatment.
QUALIFIED MAINTENANCE MANAGER: That qualified person, as defined herein, appointed and employed by the town to administer these rules and regulations and to oversee the technical and practical operation of the POTW.
RECEIVING WATER: Lakes, rivers, streams or other watercourses which receive treated or untreated wastewater.
RESIDENTIAL: Pertaining to wastewater service provided premises used as dwelling places or residences, including single-family dwellings, common wall multi-family dwellings, mobile home, and manufactured homes.
SERVICE LINE: The wastewater collector line extending from the wastewater disposal facilities of the premises up to and including the connection to the collection line.
SIGNIFICANT INDUSTRIAL USER:
A. All industrial users subject to categorical pretreatment standards under 63.14 through 63.52, and
B. Any other industrial user that: discharges an average of twenty five thousand (25,000) gallons per day or more of process wastewater to the POTW (excluding sanitary, noncontact cooling and boiler blowdown wastewater); contributes a process waste stream which makes up five percent (5%) or more of the average dry weather hydraulic or organic capacity of the POTW treatment plant; or is designated as such by the control authority, as defined in 63.7(O), on the basis that the industrial user has a reasonable potential for adversely affecting the POTW's operation or for violating any pretreatment standard or requirement.
C. Upon a finding that an industrial user meeting the criteria in subsection B of this definition has no reasonable potential for adversely affecting the POTW's operation or for violating any pretreatment standard or requirement, the control authority may at any time, on its own initiative or in response to a petition received from an industrial user or POTW determine, in accordance with paragraph 63.9(E)(4) in those instances where the POTW is the control authority, that such industrial user is not a significant industrial user.
SIGNIFICANT VIOLATION: A violation of this article which remains uncorrected forty five (45) days after notification of noncompliance; or which is a pattern of noncompliance over a twelve (12) month period; or which involves a failure to accurately report noncompliance; or which resulted in the POTW exercising its emergency authority under section 403.8(F)(1)(IV)(B) of the act.
SLUDGE: Any discharge of water, sewage or industrial waste which contains any substances regulated by this article in concentrations which exceed for any period longer than fifteen (15) minutes more than five (5) times the average daily concentration of that substance during normal operations and exceeds the limitations contained in this article, or which causes a two-fold or more increase in discharge rate for a period longer than twenty (20) minutes; or causes the user's effluent to violate the pH limitations provided in this article for a period longer than twenty (20) minutes.
STORM DRAIN: A sewer which carries storm and surface waters and drainage, but excludes sewage and industrial wastes, other than unpolluted water.
STORM WATER: Water flowing or discharged as a result of rain, snow, or other precipitation.
SUSPENDED SOLIDS: The total suspended matter that floats on the surface or is suspended in water, wastewater or other liquids, and which is removable by laboratory filtering by standard methods.
UNPOLLUTED WATER: Water which does not contain any substances limited or prohibited by the effluent standards in effect or water whose discharge will not cause any violation of receiving water quality standards.
USER: Any person who discharges, or causes or permits the discharge of wastewater into the town's wastewater treatment system.
USER CLASSIFICATION: A classification of users such as residential, commercial, restaurant, industrial, or significant industrial user.
WASTEWATER: The liquid and water carried industrial or domestic wastes from dwellings, commercial buildings, industrial facilities and institutions, together with any ground water, surface water and storm water that may be present, whether treated or untreated.
WASTEWATER TREATMENT SYSTEM OR WASTEWATER SYSTEM: Any devices, facilities, structures, equipment or works owned or used by the town for the purpose of the transmission, storage, treatment, recycling, and reclamation of industrial and domestic waters, or necessary to recycle or reuse water at the most economical cost over the estimated life of the system, including intercepting sewers, outfall sewers, collection lines, pumping, power and other equipment, and their appurtenances and excluding services lines. Includes extensions, improvements, additions, alterations, or any remodeling thereof, elements essential to provide a reliable recycled supply such as standby treatment units and clear well facilities, and any works, including the land and sites that may be acquired, that will be an integral part of the treatment process or is used for ultimate disposal of residues resulting from such treatment. (Ord. 212, 8-3-1999; amd. Ord. 242, 10-7-2003; Ord. 252, 9-6-2005)