50.02 NUISANCES ENUMERATED.
The following subsections include, but do not limit, the conditions which are deemed to be nuisances in the City:
(Code of Iowa, Sec. 657.2)
1.   Offensive Smells. Erecting, continuing or using any building or other place for the exercise of any trade, employment or manufacture, which, by occasioning noxious exhalations, unreasonably offensive smells, or other annoyances, becomes injurious and dangerous to the health, comfort or property of individuals or the public.
2.   Filth or Noisome Substance. Causing or suffering any offal, filth, or noisome substance to be collected or to remain in any place to the prejudice of others.
3.   Impeding Passage of Navigable River. Obstructing or impeding without legal authority the passage of any navigable river, harbor, or collection of water.
4.   Water Pollution. Corrupting or rendering unwholesome or impure the water of any river, stream, or pond, or unlawfully diverting the same from its natural course or state, to the injury or prejudice of others.
5.   Blocking Public and Private Ways. Obstructing or encumbering, by fences, buildings or otherwise, the public roads, private ways, streets, alleys, commons, landing places, or burying grounds.
6.   Billboards. Billboards, signboards and advertising signs, whether erected and constructed on public or private property, which so obstruct and impair the view of any portion or part of a public street, avenue, highway, boulevard or alley or of a railroad or street railway track as to render dangerous the use thereof. (See also Section 62.06) 
7.   Storing of Flammable Junk. Depositing or storing of flammable junk, such as old rags, rope, cordage, rubber, bones and paper, by dealers in such articles within the fire limits of the City, unless in a building of fireproof construction. (See also Chapter 51) 
8.   Air Pollution. Emission of dense smoke, noxious fumes, or fly ash.
9.   Weeds, Brush. Dense growth of all weeds, vines, brush, or other vegetation in the City so as to constitute a health, safety, or fire hazard.
10.   Dutch Elm Disease. Trees infected with Dutch elm disease. (See also Chapter 166)
11.   Airport Air Space. Any object or structure hereafter erected within 1,000 feet of the limits of any municipal or regularly established airport or landing place, which may endanger or obstruct aerial navigation including take-off and landing, unless such object or structure constitutes a proper use or enjoyment of the land on which the same is located.
12.   Houses of Ill Fame. Houses of ill fame, kept for the purpose of prostitution and lewdness; gambling houses; places resorted to by persons participating in criminal gang activity prohibited by Chapter 723A of the Code of Iowa or places resorted to by persons using controlled substances, as defined in Section 124.101 of the Code of Iowa, in violation of law, or houses where drunkenness, quarreling, fighting or breaches of the peace are carried on or permitted to the disturbance of others.