(A) For the purpose of this section, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
DANGEROUS DOG. Any individual dog which when either unmuzzled, unleashed or unattended by its owner, or a member of its owner’s family, in a vicious or terrorizing manner, approaches any person in an apparent attitude of attack upon streets, sidewalks or any public grounds or places.
VICIOUS DOG.
(a) Any individual dog that when unprovoked inflicts bites or attacks a human being or other animal either on public or private property;
(b) Any individual dog with a known propensity, tendency or disposition to attack without provocation, to cause injury or to otherwise endanger the safety of human beings or domestic animals; and, whether or not provoked, those dogs known as Rottweiler, Pit Bull, German Shepherd or other such dogs identified as dangerous and vicious dogs by the statutes of the state or the ordinances of the county;
(c) Any individual dog which attacks a human being or domestic animal without provocation;
(d) Any individual dog which has been found to be a “DANGEROUS DOG” on three separate occasions; or
(e) No dog shall be deemed “VICIOUS” if it bites, attacks or menaces a trespasser on the property of its owner or harms or menaces anyone who has tormented or abused it or is a professionally trained dog for law enforcement or guard duties.
(510 ILCS 5/15)
(B) Any dangerous, fierce or vicious dog running at-large in the public ways or public places of the city or upon private premises of any person other than the owner or keeper, and any dog which may in any manner disturb the quiet of any person or neighborhood, or which bites a person or so injures a person as to cause an abrasion of the skin, is declared to be a nuisance and such dog shall immediately be placed in a duly licensed veterinary hospital or taken up and impounded in the manner provided by this chapter.
(C) Any animal which, in the estimation of any officer or inspector of the Board of Health, appears to be injured, diseased past recovery for any useful purpose or dangerous to the inhabitants of the city may be deprived of life by such officer or inspector as he or she may direct.
(D) No breed of dog which has a propensity to attack human beings without provocation including, but not limited to, the breed commonly known as the Pit Bull dog, and no dog trained as an attack dog may be kept within the city.
(Prior Code, § 92.42) (Ord. 647, passed - -1967; Ord. 90-O-1373, passed 8-1-1990; Ord. 01-O-1713, passed 5-16-2001) Penalty, see § 92.99