For the purpose of this subchapter "DWELLING" or "DWELLING UNIT" shall mean any of the following defects which shall be considered unfit for human habitation:
(1) One which is so damaged, decayed, dilapidated, insani- tary, unsafe, or vermin-infested that it creates a serious hazard to the health of the occupants or of the public;
(2) One which lacks illumination, ventilation, or sanitary facilities adequate to protect the health of the occupants or of the public; or
(3) One which because of its general condition or location is insanitary or otherwise dangerous to the health of occupants or the public.
('75 Code, § 13-125) Penalty, see § 152.99