The owner of all houses, buildings or properties used for human occupancy, employment, recreation or other purposes situated within the city and abutting on any street, alley or right of way in which there is now located or may in the future be located a public sanitary or combined sewer of the city, is hereby required, at his expense, to install suitable toilet facilities thereon, and to connect such directly with the proper public sewer in accordance with the provisions of this chapter within ninety (90) days after date of official notice to do so; provided, that said public sewer is within two hundred fifty feet (250') of the property line. (2010 Code § 19-35; amd. 2012 Code)