It shall be unlawful for any person to permit an animal under such person's control or within such person's custody to commit a nuisance. An animal shall be considered a nuisance if it:
1. Damages, soils, defiles or defecates on private property other than the owner's or on public walks and recreation areas unless such waste is immediately removed and properly disposed of by the owner.
2. Causes unsanitary, dangerous or offensive conditions.
3. Causes a disturbance by excessive barking or other noisemaking or chases persons, bicycles, automobiles, or other vehicles, or molests, attacks or interferes with persons or other domestic animals.
(Code of Iowa, Sec. 657.1)