A. Definitions: Unless the context specifically indicates otherwise, the meanings of the terms used in these rules and regulations shall be as follows:
APPROVAL AUTHORITY: The regional administrator of the EPA.
APPURTENANCES: Refers to machinery, appliances, or auxiliary structures attached to the sewer to enable it to function, but not considered an integral part of it.
BIOCHEMICAL OXYGEN DEMAND (BOD): The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five (5) days at twenty degrees centigrade (20°C), expressed in terms of weight and concentration (milligrams per liter).
BUILDING DRAIN: That part of the lowest horizontal piping of a drainage system which receives the discharge from 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 privately owned extension of the building drain to the public sanitary sewer or other place of disposal.
BYPASSING: Any act, using any means, the purpose of which is to obtain municipal utility service without having such service pass through the meter that is provided for measuring or registering such service.
CITY OR CITY OF COLSTRIP: The city of Colstrip in the county of Rosebud and state of Montana.
COMBINED SEWER: A sewer receiving both surface runoff and sewage.
COMMERCIAL ACCOUNT: A municipal utility account other than a domestic account.
CONNECTION CHARGE: One time charge paid by those connecting to the municipal utility system for the cost of materials, labor, inspection, and administration by the municipality.
CUSTOMER: Any person receiving municipal utility service either directly or indirectly from the municipal water supply system/municipal wastewater system.
DISCHARGE: The direct or indirect introduction of treated or untreated wastewater into the waters of the state of Montana, either through the municipal wastewater system and municipal wastewater treatment plant or through a point source into state waters.
DOMESTIC ACCOUNT: A municipal utility account for residential dwellings and apartment buildings.
DOMESTIC WASTES: Liquid wastes: 1) from the noncommercial preparation, cooking, and handling of food, or 2) containing human excrement and similar matter from the sanitary conveniences of dwellings, commercial buildings, industrial facilities, and institutions.
ENVIRONMENTAL PROTECTION AGENCY OR EPA: The U.S. environmental protection agency, or, where appropriate, the terms may also be used as a designation for the administrator or other duly authorized official of the EPA.
EXTENSION: The act or process of extending, adding to, or enlarging the municipal water supply system/municipal wastewater system on the city's side of the point of delivery/point of connection to provide municipal utility services to a prospective customer or group of prospective customers.
FIRE HYDRANT METER: The meter which is owned by the municipal utility and which is used to measure the amount of water delivered to a customer through a fire hydrant.
FIRE LINE: All service pipes, curb stops and/or valves, curb boxes and/or valve boxes, backflow prevention devices, check valves, inside piping, fittings, fixtures, and any other apparatus on customer's side of the point of delivery that is used for, and limited to, the providing of water to customers for fire suppression activities.
HARMFUL CONTRIBUTION: An actual or threatened discharge or introduction of wastes to the municipal wastewater system which: 1) presents or may present an imminent or substantial endangerment to the health and welfare of persons or to the environment, 2) inhibits or interferes with the physical or lawful operations of the municipal wastewater system, or 3) causes the violation of any condition of the city of Colstrip's MPDES permit.
HOLDING TANK WASTE: Any waste from holding tanks such as vessels, chemical toilets, campers, trailers, recreational vehicles, or septage haulers.
INDIVIDUAL EXTENSION: An extension of the utility system to provide utility service to an individual customer.
INDUSTRIAL: Of or pertaining to industry, manufacturing, agriculture, commerce, trade, or business.
INDUSTRIAL USER: 1. Any person or source that introduces or discharges wastewater from industrial processes into the municipal wastewater system or
2. Any nondomestic user or source regulated under sections 307(b), (c), or (d) of the clean water act.
INDUSTRIAL WASTES OR INDUSTRIAL WASTEWATER: All liquid or water carried wastes other than domestic wastes. The terms include, by way of example and not by limitation, the trade wastes produced by food processing and bottling plants, food manufacturing plants, slaughtering plants, tallow works, plating works, disposal services, industrial cleaning plants, fertilizer plants, car and truck washing operations, vehicle repair facilities, commercial laundries and cleaning establishments, cooling plants, industrial plants, factories, feedlots, and chemical treatment installations.
INTERCEPTOR SEWER: A public sanitary sewer having a size greater than twenty four inches (24") that was installed by the city for the principal purpose of collecting and conveying wastewater from several district trunk sewers to the municipal wastewater treatment plant for treatment and disposal.
INTERFERENCE: The inhibition or disruption of the municipal wastewater system treatment processes or operation which causes: 1) a violation of any requirements of the utilities' MPDES permit or 2) the violation of any requirement of any agency with jurisdiction over the discharges by the municipal wastewater treatment plant into the receiving waters. The term also includes contamination of the treatment plant sludge byproducts.
MAIN: A pipe or conduit carrying water for domestic, industrial, fire suppression, and other similar uses.
MAY: Is permissive.
METER: The instrument, including any auxiliary equipment, which is used to measure the amount of water delivered to a customer from the municipal water supply system or the amount of wastewater contributed to the municipal wastewater system by a user.
MUNICIPAL UTILITY OR UTILITY: The public works department of the city of Colstrip.
MUNICIPAL WASTEWATER TREATMENT PLANT: The wastewater treatment plant owned and controlled by the city of Colstrip.
MUNICIPAL WATER METER: The meter, including the meter horn and remote read equipment, which is owned by the utility and which is used to measure the amount of water delivered to a customer through the customer's water service line.
NATIONAL CATEGORICAL PRETREATMENT STANDARDS OR PRETREATMENT STANDARD: Any regulation containing pollutant discharge limits promulgated by the state of Montana or the EPA in accordance with sections 307(b) and (c) of the clean water act (33 USC section 1317) that applies to a specific category of primary industrial users.
NATURAL OUTLET: Any outlet into a watercourse, pond, ditch, lake, or other body of surface or ground water.
ORGANIC MATTER: Refers to chemical substances of basically carbon structure. Comprising compounds consist primarily of hydrocarbons and their derivatives.
PERSON: Any firm, company, partnership, public or private corporation, association, group or society, governmental agency, or other entity as well as a natural person.
pH: Refers to the negative logarithm of the hydrogen ion concentration in moles per liter of solution. pH is an indicator of the acid or base content of the solution.
POINT OF CONNECTION: The point at which the municipal wastewater system connects physically to a user's building sewer. The point of connection shall be located at and include the user's service tee or wye fitting, which, in turn, is normally attached to the public sanitary sewer located in the public right of way that abuts and fronts the property to be served.
POINT OF DELIVERY: The point at which the municipal water supply system connects physically to a customer's corporation stop, which, in turn, is normally attached to the public water main located in the public right of way that abuts and fronts the property to be served.
POLLUTANT: Any dredged soil, solid waste, incinerator residue, sewage, garbage, septic waste, sewage sludge, munitions, chemical wastes, biological materials, radioactive materials, heat, wrecked or discharged equipment, rock, sand, cellar dirt, and industrial, municipal, and agricultural waste discharges into water.
POLLUTED WATERS: Water that contains objectionable wastes or suspended solids as a result of human activity.
POLLUTION: The alteration of the chemical, physical, biological, or radiological integrity of water by human activity.
PRETREATMENT OR TREATMENT: The reduction of the amount of pollutants, the elimination of pollutants, the alteration of the rate of their introduction into the municipal wastewater system, or the alteration of the nature of pollutant properties in wastewater to a less harmful state, prior to or in lieu of discharging or otherwise introducing such pollutants into a municipal wastewater system. The reduction or alternation can be achieved by physical, chemical, or biological processes, process changes, or by other means, except as prohibited by 40 CFR section 403.6(d).
PRETREATMENT REQUIREMENT: Any substantive or procedural requirement related to pretreatment, including national categorical pretreatment standards, imposed on an industrial user.
PUBLIC BUILDING: Any building held, used, or controlled exclusively for public purposes by any department or branch of government, federal, state, county, or municipal, without reference to the ownership of the building or of the realty upon which it is situated.
PUBLIC SANITARY SEWER: The sewer directly controlled by the city and laid in the street or other right of way for the collection of wastewater from users' building sewers.
PUBLIC SERVICE COMMISSION: Refers to the elected body of public service commissioners and their staff of the state of Montana.
PUBLIC WATER MAIN: The main directly controlled by the city and laid in the street or other right of way for the distribution of water to customers' water service lines.
RATE SCHEDULE: A resolution approved by the city council which sets forth the charges and conditions for a particular class or type of utility service.
READILY ACCESSIBLE: Safely and easily reached and not being under "lock and key", "fenced in", "covered up", or otherwise obstructed.
SANITARY SEWER: A sewer that carries wastewater or sewage.
SANITARY SEWER SERVICE LINE OR WASTEWATER SERVICE LINE: That portion of the privately owned building sewer extending from the property served to the public sanitary sewer.
SECONDARY WASTEWATER METER OR SECONDARY METER: A meter which is furnished, installed, and maintained by a user, and which is used to determine the amount of wastewater contributed by such user to the municipal wastewater system.
SEPTAGE: The mixed liquid and solid contents pumped from septic tanks used for receiving primarily segregated domestic wastes or wastes from sanitary conveniences.
SEPTAGE DISPOSAL PERMIT: A written receiving ticket issued by the city of Colstrip permitting the discharge of septage into the city of Colstrip's approved location in accordance with the provisions of this chapter.
SEPTAGE HAULER: A person having a valid city of Colstrip business license, when appropriate, and, in addition, licensed by state and local government agencies to operate a business for the purpose of cleaning septic tanks and transporting domestic septage to an approved septage disposal facility.
SERVICE AGREEMENT: The agreement or contract between the utility and its customers pursuant to which utility service is provided.
SEWER: A pipe or conduit for carrying wastewater or drainage.
SHALL: Is mandatory.
SIGNIFICANT INDUSTRIAL USER: Any user of the wastewater system (WWS) who:
1. Is subject to "national categorical pretreatment standards" as defined herein;
2. Discharges an average of twenty five thousand (25,000) gallons per day or more of process wastewater to the wastewater system, excluding sanitary, noncontact cooling and boiler blowdown wastewater;
3. Contributes a process waste stream which makes up five percent (5%) or more of the average dry weather hydraulic or organic capacity of the municipal wastewater treatment plant(s), or
4. Is designated as such by the city on the basis that the industrial user has a potential for adversely affecting the WWS or for violating any pretreatment standard or requirement.
SIGNIFICANT VIOLATOR: An industrial user who is in significant noncompliance by violating one or more of the following criteria:
1. Chronic violations of "wastewater discharge limits", defined as those in which sixty six percent (66%) or more of all of the measurements taken during a six (6) month period exceed, by any magnitude, the daily maximum limit or the average limit for the same pollutant parameter;
2. "Technical review criteria" (TRC) violations, defined as those in thirty three percent (33%) or more of all of the measurements for each pollutant parameter taken during a six (6) month period equaling or exceeding the product of the daily maximum limit or the average limit times the applicable TRC (TRC = 1.4 for BOD, TSS, fats, oil, grease, and 1.2 for all other pollutants except pH);
3. Any other violation of a pretreatment effluent limit (daily maximum or longer term average) that the city of Colstrip determines has caused, alone or in combination with other discharges, interference or pass through, including endangering the health of city personnel or the general public;
4. Any discharge of a pollutant that has caused imminent endangerment to human health, welfare, or the environment or has resulted in the city's exercise of its emergency authority to halt or prevent such a discharge;
5. Failure to meet, within ninety (90) days after the scheduled date, a compliance schedule milestone contained in a local control mechanism or enforcement order for starting construction, completing construction, or attaining final compliance;
6. Failure to provide, within ninety (90) days after the due date, required reports such as baseline monitoring, reports, ninety (90) day compliance reports, periodic self-monitoring reports, and reports on compliance with compliance schedules;
7. Failure to accurately report noncompliance; or
8. Any other violation or group of violations which the city of Colstrip determines will adversely affect the operation or implementation of the local pretreatment program.
SOURCE: Any building, structure, facility, or installation from which there may be a discharge of pollutants.
SPRINKLING METER: A municipal water meter that is installed on a water service line for the purpose of measuring the water delivered by the utility to a customer exclusively for lawn and garden irrigation.
STATE: The state of Montana.
STORM SEWER OR STORM DRAIN: A sewer which carries storm and surface waters and drainage, but excludes wastewater and polluted industrial wastes.
SUBDIVISION EXTENSION: An extension of the wastewater system to provide water or wastewater service to serve a subdivision, a tract of land created by a certificate of survey, commercial or industrial development, or any other similar type annexed parcel of land wherein the extended water or wastewater system facilities within the development are to be owned by the city, not including any privately owned facilities.
SUBMETER: A meter or meters which are furnished, installed, and maintained by a customer, and which are installed downstream of the municipal water meter by the customer for the purpose of proportioning municipal utility charges between various tenants.
SUSPENDED SOLIDS: Solids that either float on the surface or are in suspension in water, wastewater, or other liquids, and which are removable by laboratory filtering.
SYSTEM DEVELOPMENT FEES: One time charge paid by new development as a proportionate share of the "general benefit" to finance the construction of public facilities needed to serve the development.
TAMPERING: Damaging, altering, adjusting, or in any manner interfering with or obstructing the operation or function of any metering device that is used for measuring or registering municipal utility service.
USER: See definition of Customer.
WASTE DISPOSAL SITE: The city of Colstrip's designated waste disposal station for the purposes of disposing of septage.
WASTEWATER METER: A meter which is furnished, installed, and maintained by a user, and which is used to measure the amount of wastewater contributed by such user to the municipal wastewater system.
WASTEWATER OR SEWAGE: The liquid and water carrying 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, which is discharged into or permitted to enter the municipal wastewater system.
WASTEWATER SERVICE AREA: That particular territory which has been officially adopted by the city council as the area it intends to provide with municipal wastewater service.
WASTEWATER SERVICE OR MUNICIPAL WASTEWATER SERVICE: The act of either directly or indirectly discharging wastewater into the municipal wastewater system from users' building sewers for the purpose of collecting, transporting, treating, and disposing of users' wastewater.
WASTEWATER SYSTEM OR MUNICIPAL WASTEWATER SYSTEM: Any wastewater facilities, including interceptor sewers, outfall sewers, wastewater collection systems, and wastewater treatment facilities, controlled by the city of Colstrip.
WATER SERVICE AREA: That particular territory which has been officially adopted by the city council as the area it intends to serve with municipal water service.
WATER SERVICE LINE: All privately owned facilities, including service pipe, corporation stop, curb stop, curb box, municipal water meter box or vault, backflow prevention device, expansion tanks, pressure reducing valve, inside piping, appliances, and other apparatus on the customer's side of the point of delivery, except the municipal water meter and any other equipment owned by the city of Colstrip.
WATER SERVICE OR MUNICIPAL WATER SERVICE: The supply of water directly or indirectly from the municipal water supply system, or the availability of water supplied either directly or indirectly from the municipal water supply system, at the point of delivery and also the water so delivered or used.
WATER SUPPLY SYSTEM OR MUNICIPAL WATER SUPPLY SYSTEM: Any devices, facilities, structures, equipment, land or works controlled by the city for the purpose of the processing, treatment, transmission, storage, distribution, pumping, and measurement of water supplied to customers.
B. Abbreviations: The following abbreviations shall have the following designated meanings for the purposes of these rules and regulations:
BOD: Biochemical oxygen demand
CFR: Code of federal regulations
EPA: Environmental protection agency
MCA: Montana Code Annotated
mg/l: Milligrams per liter
MPWSS: The current edition of the "Montana Public Works Standard Specifications"
(Ord. 04-01, 2-10-2004)