Every owner of a residence or other building in which humans reside, are employed, or congregate within the city shall install, equip, and maintain adequate sanitary facilities for the disposal of human excrement; namely, a sanitary water closet or closets, or a sanitary pit privy or privies. The closets and toilets hereby required shall be of the sanitary water closet type when located within two hundred feet (200') of a sanitary sewer and accessible thereto, and of the sanitary water closet type (notwithstanding a greater distance from a sanitary sewer) or the water closet type emptying into a septic tank system or the pit privy type; provided, that a septic tank system or a pit privy may be used in such cases only if it meets the standards of and is approved by the state health department. (1980 Code § 11-27; amd. 2002 Code)