For the purpose of this chapter, the following definitions shall apply, unless the context clearly indicates or requires a different meaning.
ACT. The Clean Water Act.
ACCOUNT. A record of service used by each property and the periodic costs for those services.
APPLICANT. The owner or the owner’s agent.
ASTM. American Society for Testing Materials.
BOD5. Biological oxygen demand. The amount of dissolved oxygen consumed in five (5) days by biological processes breaking down organic matter.
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 at least one (1) foot outside the building wall.
BUILDING SEWER. That part of the drainage system which extends from the end on the building drain and conveys wastewater to the public sanitary sewer, private sewer, individual swage-disposal system, or other point of disposal. (Sometimes referred to as a Service Connection).
CITY. The area within the corporate boundaries of the City of Mora 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 Public Utilities Commission and its authorized representative.
COMBINED CONNECTION. A single connection to the municipal public sanitary sewer that serves two (2) or more residential, commercial, or industrial lots or separate parcels of record.
COUNCIL. The City Council of the City of Mora, Kanabec County, Minnesota.
CUSTOMER. The person, firm, corporation, or other entity receiving service. May be the owner or a tenant.
DIRECTOR. The Director of the Department of Public Works, or his or her designee.
FECAL COLIFORM. Any number of organisms common to the intestinal tract of human and animals whose presence in wastewater is an indicator of pollution.
FLOATABLE OIL. Oil, fat, or grease in physical states such that it will separate by gravity from wastewater.
GARBAGE. Animal and vegetable waste resulting from the handling, preparation, cooking and serving of food.
GENERAL MANAGER. The General Manager of the Mora Municipal Utilities.
INDUSTRIAL WASTE. This means liquid or waterborne waste from industrial or commercial processes except domestic wastewater.
INFILTRATION. Water that enters the sewer system (including building drains and building sewers) from the ground through such means as defective pipes, pipe joints, connections, and manhole walls.
INFILTRATION AND INFLOW (I AND I). The total quantity of water from both infiltration and inflow.
INFLOW. Water other than wastewater that enters a sewer system (including building drains and building sewers) from sources such as, but not limited to roof leaders, cellar drains, yard and area drains, foundation drains, drains from springs and swampy areas, manhole covers, cross-connections from storm sewers, catch basins, surface runoff, street wash waters or drainage.
INTERFERENCE. The inhibition or disruption of the city’s wastewater disposal system processes or operations which causes or significantly contributes to a violation of any requirement of the city’s NPDES and/or SDS permit. The term includes sludge use or disposal by the city in accordance with published regulations providing guidelines under Section 405 of the Act or any regulations developed pursuant to the Solid Waste Disposal 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 city.
MPCA. Minnesota Pollution Control Agency.
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PERMIT. A permit issued by the MPCA, setting limits on pollutants that a permittee may discharge into navigable waters of the United States pursuant to Sections 402 and 405 of the Act.
NATURAL OUTLET. Any outlet, including storm sewers and combined sewers, which overflow into a watercourse, pond, ditch, lake or other body of surface water or groundwater.
NORMAL DOMESTIC STRENGTH WASTE. Wastewater that is primarily introduced by residential users with a BOD5 concentration not greater than 250 mg/l and suspended solids concentration not greater than 250 mg/l.
OWNER. The person, firm, or corporation owning the property receiving service as shown on the records of Kanabec County.
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 sanitary sewers with no particle greater than one-half inch (½") in any dimension.
SERVICE. The provision of sanitary sewer service to a building or other facility via the sanitary sewer system.
SERVICE CONNECTION. See “Building Sewer”
SEWAGE. See “Wastewater.”
SEWER. A pipe or conduit that carries wastewater or drainage water.
(1) FORCE MAIN. A pipe in which wastewater is carried under pressure.
(2) PRIVATE SEWER. A sewer which is not owned, maintained, or controlled by a public authority.
(3) PUBLIC SEWER. A sewer owned, maintained, and controlled by a public authority.
(4) SANITARY SEWER. A sewer intended to carry only liquid and water-carried wastes from residences, commercial buildings, industrial plants, and institutions, together with minor quantities of ground, storm, and surface waters which are not admitted intentionally.
(5) STORM DRAIN. A drain or sewer intended to carry storm waters, surface runoff, groundwater, sub-surface water, street wash water, drainage, and unpolluted water from any source.
SEWER SYSTEM. The municipal public sanitary sewer system including all of its components.
SHALL; MAY. The term “shall” is mandatory; the term “may” is permissive.
SIGNIFICANT INDUSTRIAL USER. Any industrial user of the wastewater treatment facility which has a discharge flow:
(1) In excess of 25,000 gallons per average work day;
(2) Exceeding 5% of the total flow received at the treatment facility; and
(3) Whose waste contains a toxic pollutant in toxic amounts pursuant to Section 307(a) of the Act; or
(4) Whose discharge has a significant effect, either singly or in combination with other contributing industries, on the wastewater disposal system, the quality of sludge, the system’s effluent quality, or emissions generated by the treatment system.
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 fifteen (15) minutes more than five
(5) times the average twenty-four (24) hour concentration of flows during normal operation and shall adversely affect the collection and/or performance of the wastewater treatment facility.
STATE DISPOSAL SYSTEM (SDS) 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, Subd. 8, as it may be amended from time to time.
SUSPENDED SOLIDS (SS) OR TOTAL SUSPENDED SOLIDS (TSS). The total suspended matter that either floats on the surface of or is in suspension in water, wastewater or other liquids and is removable by laboratory filtering as prescribed in “Standard Methods for the Examination of Water and Wastewater,” latest edition and referred to as non-filterable residue.
TENANT. A person, firm, or corporation, other than the owner, occupying the property and receiving service.
USER. Any person who discharges or causes or permits the discharge of wastewater into the city’s wastewater disposal system.
UTILITY. Mora Municipal Utilities.
WASTEWATER. The spent water of a community sometimes 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 groundwater, surface water, and storm water that may be present.
WASTEWATER TREATMENT FACILITY. An arrangement of any devices, facilities, structures, equipment or processes owned or used by the city for the purpose of the transmission, storage, treatment, recycling and reclamation of municipal wastewater, domestic wastewater or industrial wastewater, or structures necessary to recycle or reuse water, including interceptor sewers, outfall sewers, collection sewers, 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 which is an integral part of the treatment process or is used for ultimate disposal of residues resulting from such treatment.
WPCF. Water Pollution Control Federation.
(Ord. 409, passed 6-21-2011)