"Biochemical oxygen demand (BOD)"
means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20 degrees centigrade, expressed in milligrams per liter.
"Building drain"
means 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 five feet (1.5 meters) outside the inner face of the building wall.
"Building sewer"
means the extension from the building drain to the public sewer or other place of disposal, also called house connection.
"Combined sewer"
means a sewer intended to receive both wastewater and storm or surface water.
"Easement"
means an acquired legal right for the specific use of land owned by others.
"Floatable oil"
means oil, fat or grease in a physical state such that it will separate by gravity from wastewater by treatment in an approved pretreatment facility. A wastewater shall be considered free of floatable fat if it is properly pretreated and the wastewater does not interfere with the collection system.
"Garbage"
means any and all kitchen refuse, rejected or waste accumulation of fruit, vegetable or animal matter that attends the preparations, use, cooking of, dealing in, or storage of meats, fish, fowl, fruits, vegetables or other substance which may decompose, or become foul, offensive, unsanitary or dangerous to health.
"Industrial wastes"
mean the wastewater from industrial processes, trade or business as distinct from domestic or sanitary wastes.
May.
The term "may" is permissive.
"Mobile home parks"
means any park, court, camp, lot, area, piece, parcel, tract or plot of ground upon which more than one mobile home is used, whether for compensation or not.
"Multiple-family dwellings"
means any building or group of buildings immediately contiguous to each other, whether joined or not, under common ownership, and used exclusively for human habitation for more than one family.
"Natural outlet"
means any outlets, including storm sewers and combined sewer overflows, into a watercourse, pond, ditch, lake or other body of surface water or groundwater.
"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 hydrogen ion concentration of 10.
"Properly shredded garbage"
means any item defined as garbage shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half inch (1.27 centimeters) in any dimension.
"Property owner"
means and includes not only the owner of the whole, but any part owner, joint owner, tenant in common or joint tenant of the whole or a part of such building or land and includes an agent of such owner, and where such owner is a body corporate it shall include the managing agent or officer within the city.
"Public sewer"
means a common sewer controlled by a government agency or public utility.
"Residence"
means each dwelling unit providing complete, independent living facilities for one or more persons, including permanent provisions for living, sleeping, eating, cooking and sanitation.
"Sanitary sewer"
means a sewer that carries liquid and water-carried wastes from residences, commercial buildings, industrial plants and institutions, together with minor quantities of ground, storm and surface waters that are not admitted intentionally.
"Sewer"
means a pipe or conduit that carries wastewater or drainage water.
Shall.
The term "shall" is mandatory.
"Slug"
means 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 15 minutes more than five times the average 24 hour concentration or flows during normal operation and shall adversely affect the collection system and/or performance of the wastewater treatment works.
"Storm drain" or "storm sewer"
means a drain or sewer for conveying water, groundwater, subsurface water or unpolluted water from any source.
"Suspended solids"
means 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, and referred to as "nonfilterable residue."
"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.
"Utility user"
means an entity responsible for a utility account, either a property owner or a renter who has paid to the city the appropriate utility deposit.
"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, together with any groundwater, surface water and stormwater that may be present.
"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 tap"
means the physical connection of a building sewer to the public sewer.
"Wastewater tap fee"
means the plant investment fee, as promulgated by the city council from time to time, equal to the estimated consumption of plant capacity for each tap to the wastewater system.
"Wastewater treatment plant"
an arrangement of devices and structures for treating wastewater, industrial wastes, and sludge; sometimes used as synonymous with "waste treatment works."
"Watercourse"
means a natural or artificial channel for the passage of water either continuously or intermittently.
(Prior code § 21-1; Ord. 00-006 § 21, 2000; Ord. 18-002 § 6, 2018)
For the protection of health, safety and the general welfare, the city shall and is authorized, except as provided in this chapter, to exercise the sole authority and responsibility for the collection and disposal of wastewater as defined in this chapter.
(Prior code § 21-2)
The use of water or wastewater under the provisions of this chapter shall not constitute or be deemed to be relinquishment of any water or water right by the city, and the city reserves the full right to determine all matters in connection with the control and use of such water or wastewater.
(Prior code § 21-3)
A. 
It shall be the duty and responsibility of the city administration to carry out and see that the provisions of this chapter are enforced.
B. 
The city administration shall, with the approval of the city council, promulgate such rules and regulations as shall be necessary from time to time to augment the intent of this chapter.
(Prior code § 21-4)
It is unlawful for any person to place, deposit or permit to be deposited in any unsanitary manner on public or private property within the city, or in any area under the jurisdiction of the city, any human or animal excrement, garbage or other objectionable waste.
(Prior code § 21-5)
It is unlawful to discharge to any natural outlet within the city, or in any area under the jurisdiction of the city, any sewage or other polluted waters, except where suitable treatment has been provided in accordance with subsequent provisions of this chapter.
(Prior code § 21-6)
Except as hereinafter provided or as otherwise provided by the regulations and ordinances of the city, it is unlawful to construct or maintain any privy, privy vault, septic tank, cesspool or other facility intended or used for the disposal of wastewater.
(Prior code § 21-7)
No person(s) shall discharge or cause to be discharged any of the following described water or wastes to any public sewers:
A. 
Any gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid or gas;
B. 
Any waters containing toxic or poisonous solids, liquids or other wastes, to contaminate the sludge of any sewage treatment process, constitute a hazard in or have an adverse effect on the waters receiving any discharge from the works. Each user which discharges any toxic pollutants which cause an increase in the cost of managing the effluent or the sludge of the city treatment works shall pay for such increased costs;
C. 
Any waters or wastes having a pH lower than 5.5, or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the wastewater works;
D. 
Solid or viscous substances in quantities or of such size capable of causing obstruction to the flow in sewers, or other interference with the proper operation of the wastewater facilities such as, but not limited to ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, unground garbage, whole blood, paunch manure, hair and fleshings, entrails and paper dishes, cups, milk containers, etc., either whole or ground by garbage grinder.
(Prior code § 21-8)
No person(s) shall discharge or cause to be discharged any unpolluted waters such as stormwater, surface water, groundwater, roof runoff, or subsurface drainage to any sewer; except stormwater runoff from limited areas, which stormwater may be polluted at times, may be discharged to the sanitary sewer in compliance with this code and permission of the public works director and the Wyoming State Department of Health.
(Prior code § 21-9; Ord. 18-002 § 2, 2018)
No person(s) shall make connection of roof downspouts, foundation drains, areaway drains, or other sources of surface runoff or groundwater to a building sewer or building drain which in turn is connected directly or indirectly to a public sanitary sewer unless such connection is approved by the public works director in compliance with this code and the Wyoming State Department of Health for purposes of disposal of polluted surface drainage.
(Prior code § 21-10; Ord. 18-002 § 2, 2018)
No person(s) shall trespass upon the property of the wastewater utility or maliciously, wilfully or negligently break, damage, destroy, uncover, deface or tamper with any structure, appurtenance or equipment which is a part of the wastewater facilities. Any person(s) violating this provision upon being convicted, shall be punished in accordance with Section 9.12.130 of this code.
(Prior code § 21-11)