“Backflow prevention device” means a device or valve installed in a pressure sewer system which is intended to prevent wastewater from the sewer main system from entering facilities connected to the private sewer lateral.

“Backwater valve” means a device or valve installed in a sewer lateral which is intended to prevent wastewater from the public sewer system from backing up into low level fixtures on private property and causing a flooding condition.

“BOD” or “biochemical oxygen demand” means an analytical test that indicates the strength of wastewater by measuring the amount of oxygen in parts per million (ppm) required to stabilize organic compounds.

“Capacity fee” means the fee charged by the city to connect to the wastewater system and thus receive an allocation of wastewater treatment and disposal capacity.

“Capacity standby fee” means the monthly fee charged to property owners of undeveloped property located in an area where the city wastewater system is available for connection. This fee is equal to one-half of the standard ERU rate. This fee is designed to recoup the city’s costs for maintenance and depreciation on wastewater facilities.

“Chemical toilet waste” means waste from a toilet containing chemicals for sanitary management of feces and/or urine. Generally, a portable toilet facility.

“City engineer” means the individual or company acting in the capacity per SCC 2.55.010, City engineer.

“Cluster system” means a wastewater collection and treatment system serving more than one parcel, the collection and treatment components of which are located wholly with the city of Sedona, but is not owned by the city of Sedona.

“Collector cluster system” means pipelines or conduits, excluding house sewers, for collecting and conducting wastewater to a point or points of treatment or disposal from two or more residents, apartment units, condominiums or businesses.

“Commercial account” means a sewer billing account for a nonresidential use connected to the city wastewater system.

“Department” means the Arizona Department of Environmental Quality.

“Director” means the director of wastewater who is the director of the office of wastewater management.

“Drainage fixture unit” means a measure of the probable discharge into the drainage system by various types of plumbing fixtures. The drainage fixture unit for a given plumbing fixture shall be determined in accordance with the city’s adopted plumbing code.

“Drive-up window” means an opening between the interior and exterior of a building for the purpose of passing food from inside a business to its customers located outside the building. The customers may or may not be in a vehicle.

“Economically feasible” means a determination by the council, pursuant to this division, that extension of the city wastewater system to such area is financially feasible.

“Effluent” means wastewater discharged or leaving a treatment unit or treatment process.

“Environmentally necessary” means a determination by the council, pursuant to this division, that a public health hazard exists or may exist from the pollution of, or from the reasonable probability of pollution of, surface waters or groundwater.

“ERU” or “equivalent residential unit” means the base unit allocated to a single-family residential structure for the wastewater system capacity it uses, ERU for city facilities located at other locations may vary and shall be determined by appropriate analysis.

“Facility,” when referring to the city wastewater system, means those pipes, devices, manholes, pumps, buildings, walls, machines, treatment works, or combinations of these including related items comprising the city wastewater system. In cases where the city wastewater system is not being referred to, according to context, facility refers to privately owned pipes, machines, manholes, devices, building fixtures, or physical items or machines, or combinations of these including related items.

“Grease and oil analysis” means an analytical test used to measure the amount of grease and oil in parts per million (ppm) present in wastewater.

“Grease interceptor” means a grease-collecting device that is larger than a grease trap regarding flow rate and capacity. The interceptor discharges directly into the wastewater system preventing grease from entering the wastewater system by means of baffling.

“Grease, oil and fat” means animal and/or mineral byproduct that dissociates from water and adheres to the sidewalls of sewer pipes creating potential clogging problems in sewer systems.

“Grease trap” means a grease collecting device normally with less than a 51 gallons per minute (gpm) flow rate with a capacity of 40 gallons of water, the placement of which is downstream of a sink but upstream of the city wastewater system.

“Guest house” means an accessory building with one or more rooms used solely as the temporary dwelling of the guests of the occupants of the premises and not rented or used for supplemental income. Guest houses shall not include mobile or manufactured homes, shall contain no kitchen facilities, shall be connected to the same utility services as the main dwelling and shall not be used as a separate dwelling unit.

“Individual sewage disposal system” means a privately owned residential or commercial wastewater treatment system.

“Infiltration” means the entry of groundwater into a sanitary sewer system through joints, porous walls, and cracks, as well as the extraneous flow (inflow) that enters a sanitary sewer from other sources such as connections from roof leaders, basement drains, land drains, and manhole covers. Inflow infiltration typically results directly from rainfall or irrigation runoff.

“Influent” means wastewater entering a treatment unit, treatment process or city wastewater collection system.

“Interceptor” includes traps, filters, separators, vaults, processes and other devices, means or processes intended to remove solids, liquids, or gases from wastewater prior to its discharge to the city wastewater system.

“Minimum monthly service charge” means the minimum charge for a commercial account regardless of the level of activity of the unit or if the unit is vacated.

“Mixed loads” means combined septage tanker loads as a result of pumping grease interceptors and septic tanks into the same septage tanker.

“Monthly service fee” means the fee charged each month for use of the wastewater system.

“Nonresidential use” means any land use other than single-family residences, apartments, condominiums or multi-unit residential buildings.

“Nonuser service fee” means the monthly fee charged to residential property owners of developed residential property who have received a notice of sewer availability, but have a legally functioning on-site septic system, and elect to defer connection to the city’s wastewater system by entering into a wastewater connection deferral agreement. This fee is equal to one-half the standard ERU rate for the property.

“Office” means the Sedona office of wastewater management.

“Pollution” means such contamination or other alteration of the physical, chemical or biological properties of any waters or such discharge of any liquid, gaseous or solid substance into any waters, onto or under any land as will or is likely to create a public health hazard or environmental nuisance or render such waters or land harmful or injurious to public health, safety or welfare to domestic, commercial, industrial, agricultural, recreational or other lawful beneficial uses, or to livestock, wildlife, birds, fish or other aquatic life.

“SDG system” means a small diameter gravity system which accepts the effluent from septic tanks in small diameter sewer pipes and wastewater runs in pipes by gravity without the aid of a pump to the city wastewater system.

“Septage hauler” means any person or business entity engaged in pumping wastes from individual wastewater disposal systems or in transporting septage.

“Septic tank” means a receptacle which receives raw sewage and which is designed, constructed and installed to city, state and county standards to prevent leakage, to retain settleable solids and to discharge sewage liquids into an absorption field, seepage pit, evapotranspiration bed or a wastewater collection system.

“Sewer availability” means a condition that occurs when the city wastewater system exists in a street or easement adjacent to a real property or adjacent to a private wastewater collection system serving that real property or adjacent to the point of access to a real property and the city wastewater system is ready for connection, and wastewater treatment and disposal capacity is adequate for the proposed connection, subject to any state or federal consent order or judgment.

“Sewer connection agreement” means a notarized statement, on a form provided by the city, which a property owner shall sign prior to obtaining a city building permit for any new structure or for any modification to an existing structure or change of use of a structure which could affect wastewater disposal requirements or the public health and safety. The statement shall contain those terms and conditions required by law to allow recordation as a covenant running with the land.

“Standard gravity system” means a collection system that accepts all of the wastewater generated on a property except for special pretreatment which may be required by the city, such as grease removal or volatile or toxic wastes removal.

“Step system” means a septic tank effluent pumping collection system which uses a pump and reservoir tank to pump the effluent from a private septic tank to the city wastewater system.

“Storm waters” means rainwater and other waters specifically identified in the latest city of Sedona storm water management program filed with the department as acceptable to go into the municipal separate storm sewer system (MS4).

“Take-out” means food or drink prepared and sold with the intent that it will be consumed elsewhere than within the dining area owned by the business selling it.

“TSS” or “total suspended solids” means an analytical test result that measures the presence of solids in parts per million (ppm) within a sample of wastewater.

“Wastewater” means a combination of water-carried wastes from residences, institutions, public and private business buildings, mobile homes, motor homes, trailers and other places of human habitation, employment or recreation. For the purpose of this division, “wastewater” does not include storm water.

“Wastewater system (city wastewater system)” means pipelines or conduits, pumping stations, force mains, wastewater treatment plant, disposal field, lagoon, pumping stations, incinerator, wetlands and all other treating devices, appurtenances and facilities for collecting and conducting wastewater to a point of treatment and disposal constructed or operated by the city.

“Waters within the city” means all streams, lakes, ponds, marshes, drainage systems, aquifers and all other bodies or accumulations of water, surface or underground, natural or artificial, public or private, which are contained within, flow through or border upon the corporate limits of the city. [Code 2006 § 13-1-2. Ord. 2009-04, 4-14-2009; Ord. 2010-07 § 1, 4-13-2010; Res. 2010-08 § 3 Exh. B, 4-13-2010; Ord. 2010-14 § 1, 9-28-2010; Res. 2010-27 § 1 Exh. A, 9-28-2010; Ord. 2014-06 § 1, 5-27-2014; Res. 2014-10 Exh. A, 5-27-2014].