For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BIOCHEMICAL OXYGEN DEMAND or BOD. The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in 5 days at 20°C, expressed in terms of milligrams per liter (mg/l).
CONTROL MANHOLE. A structure specially constructed for the purpose of measuring flow and sampling of wastes.
CURB BOX. A device designed to provide access to a curb stop.
CURB STOP. A device designed to control the flow of water within a service line from a water main.
GARBAGE. Animal and vegetable waste resulting from the handling, preparation, cooking and serving of food.
INDUSTRIAL WASTE. Gaseous, liquid and solid wastes resulting from industrial or manufacturing processes, trade or business, or from the development, recovery and processing of natural resources, as distinct from residential or domestic strength wastes.
INFILTRATION. Water entering the sewage system, including building drains and pipes, from the ground through means such as defective pipes, pipe joints, connections and manhole walls.
INFILTRATION/INFLOW or I/I. The total quantity of water from both infiltration and inflow.
INFLOW. Water other than wastewater that enters a sewer system, including building drains, 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.
METER. A device that records gallons of water used.
MPCA. The Minnesota Pollution Control Agency.
NON-CONTACT COOLING WATER. The water discharged from any use such as air conditioning, cooling or refrigeration during which the only pollutant added is heat.
pH. The logarithm of the reciprocal of the weight of hydrogen ions in terms of grams per liter of solution.
PROPERLY SHREDDED GARBAGE. The wastes from the preparation, cooking and dispensing of food that have been shredded to a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers with no particle greater than 1/2 inch in any dimension.
SEWAGE. The spent water of a community. The preferred term is WASTEWATER.
SEWER. A pipe or conduit for carrying wastewater.
COLLECTION SEWER. A sewer whose primary purpose is to collect wastewater from individual point source discharges and connections.
INTERCEPTOR SEWER. A sewer whose primary purpose is to transport wastewater from collection sewers to a treatment facility.
PRIVATE SEWER. A sewer that is not owned and maintained by a public authority.
PUBLIC SEWER. A sewer owned, maintained and controlled by a public authority.
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 water which are not admitted intentionally.
STORM SEWER OR STORM DRAIN. A drain or sewer intended to carry storm waters, surface runoff, ground water, subsurface water, street wash water, drainage and unpolluted water from any source. It excludes wastewater and industrial wastes, other than unpolluted cooling water.
TOXIC POLLUTANT. The concentration of any pollutant or combination of pollutants which upon exposure to or assimilation into any organism will cause adverse affects as defined in standards issued pursuant to § 307 (a) of the Act (33 U.S.C. 1317(a)).
USER. Any person who discharges or causes or permits the discharge of wastewater into the city's wastewater disposal system.
WASTEWATER. The spent water of a community and 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.
WATER MAIN. A pipe, or system of pipes and fittings, designed and used to distribute water to the water service of any customer.
WATER OPERATOR. The person appointed by the City Council to supervise the water system of the city.
(Ord. passed 8-1-2006; Am. Ord. passed 11-5-2013)