The owners of any 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, are hereby required to install, at such owner’s expense, suitable toilet facilities therein and a building sewer connecting such facilities directly with the proper public sewer, and to maintain the same all in accordance with the provisions of these Sanitary Sewer chapters. Such compliance shall be completed within sixty (60) days after date of official notice from the City to do so, provided that said public sewer is located within 200 feet of the property line of such owner and is of such design as to receive and convey by gravity such sewage as may be conveyed to it.
(Code of Iowa, Sec. 364.12[3f])
(IAC, 567-69.1[3])