As used in this chapter, the following words and terms shall have the meanings ascribed to them in this section:
AUTHOR: Where a nuisance exists upon property and is the outgrowth of the usual, natural or necessary use of the property, the landlord or his agent, the tenant or his agent, and all other persons having control of the property on which such nuisance exists, shall be deemed to be the authors thereof and shall be equally liable and responsible. Where any such nuisance shall arise from the unusual or unnecessary use of such property or from the business thereon conducted, then the occupants and all other persons contributing to the continuance of such nuisance shall be deemed the authors.
NUISANCE: A. Any condition or use of property or premises, including building exteriors which is unsightly, injurious, deleterious, noxious or detrimental to the public health, safety or welfare; and
   B.   Whatever is dangerous to human life or health and whatever renders soil, air, water or food impure or unwholesome. (1998 Code §§ 10-311, 10-312; amd. 2000 Code; Ord. 01-4-5, 4-5-2001)