“Building drain” means 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 immediately outside the building wall.

“Business hours” means from 8:00 a.m. to 5:00 p.m. on a business day.

“City of Wasilla sewer system” means that pressure sewer system installed and subsequent extensions thereof by the city of Wasilla.

“Class I service” means service to (1) a residential structure with no more than 12 bedrooms, or (2) any other structure that is designed to serve less than 25 persons per day and that produces an average daily wastewater flow of less than 2,000 gallons.

“Class II service” means any service that is not Class I service.

“Electrical service” means the circuit used exclusively for the pumping facilities in the interceptor tank.

“Garbage” means the animal and vegetable waste resulting from the handling, preparation, cooking and serving of food.

“Industrial waste” means a liquid, gaseous, solid or other waste substance or a combination thereof resulting from process of industry, manufacturing trade or business, or from the development of natural resources; however, gravel, sand, mud or earth taken from its original site and put through sluice boxes, dredges or other devices for the washing and recovering of the precious metal and redeposited in the same watershed from which it came is not industrial waste.

“Interceptor tank” means a septic tank-like structure which contains facilities for retention and treatment of wastewater, and is used in conjunction with a container for pumping wastewater or a pump.

“Natural outlet” means any outlet, including storm sewers and combined sewer overflows, into a watercourse, pond, ditch, lake or other body of surface or ground water.

“Owner” also includes purchaser under land sale contract.

“pH” means the logarithm of the reciprocal of the hydrogen ion concentration. The concentration is the weight of hydrogen ions, in grams, per liter of solution. Neutral water, for example, has a pH value of 7 and a hydrogen ion concentration of 10^-7.

“Properly shredded garbage” means the wastes from the preparation, cooking, and dispensing of food that has been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in the building drain with no particle greater than one-half inch (one twenty-seventh centimeter) in any dimension.

“Public sewer” means the Wasilla sewer system also referred to as “system,” including interceptor tanks, pumping facilities, service lines, system piping and control panels.

“Sanitary sewer” means a sewer that carries liquid and water carried wastes from the residences, commercial buildings, industrial plants, and institutions together with minor quantities of ground, storm, and surface waters that are not admitted intentionally.

“Service fees” means the fees, normally monthly, levied for operation and maintenance of the system.

“Service lines” means the piping installed on property to connect the interceptor tank serving the structures thereon to the system piping. Unlike a lateral of a main or a main, service lines are not designed or intended to receive effluent flow from structures other than those structures with wastewater plumbing existing on the property when the lines were installed.

“Sewage” means water carried with human or animal wastes from residences, buildings, industrial establishments, or other places together with ground water infiltration and surface water as may be present; the mixture of sewage with industrial liquid waste or other waste is sewage.

“Sewer” means a pipe or conduit that carries wastewater or drainage water.

“Slug” means any discharge of water or wastewater which in concentration of any given constituent or in quantity of flow shall adversely affect the collection system or performance of the wastewater treatment works.

“Storm drain” (or “storm sewer”) means a drain or sewer for conveying water, ground water, subsurface water, or unpolluted water from any source.

“Suspended solids” means the total suspended matter that either floats on the surface of, or is in suspension in, water, wastewater or other liquids, and that is removable by laboratory filtering as prescribed in Standard Methods for the Examination of Water and Wastewater.

“System piping” means the main transmission lines and its laterals which collect wastewater from service lines.

“Unpolluted water” means water of quality equal to or better than the effluent criteria in effect or water that would not cause violation of receiving water quality standards and would not be benefited by discharge to the sanitary sewers and wastewater treatment facilities provided.

“Wastewater” means the spent water of a community. 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.

“Wastewater facilities” means the structures, equipment, and processes required to collect, carry away, and treat domestic and industrial wastes and dispose of the effluent. Wastewater facilities include the interceptor tanks, pumping facilities, service lines, system piping and control panels. May be used interchangeably with “sewer facilities.”

“Wastewater treatment works” means an arrangement of devices and structures for treating wastewater, industrial wastes, and sludge. Sometimes used as synonymous with “waste treatment plant” or “wastewater treatment plant” or “water pollution control plant,” or “sewage treatment plant.”

“Water course” means a natural or artificial channel for the passage of water either continuously or intermittently.

“WPCF” means Water Pollution Control Federation. (Ord. 08-29 § 17, 2008; Ord. 03-19(AM) § 2, 2003; prior code § 5.20.010)