95.19 PROHIBITING OUTDOOR PRIVIES. 
   The purpose of this section is to eliminate outside toilet facilities and provide for sanitary sewer toilet connections.
      1.   Prohibition. It is unlawful to have an outside toilet on any lot, any boundary of which is within 200 feet of a public sanitary sewer.
      2.   Sewer Connections. The owner of any real property being used as a residence or business establishment, (intended or used for habitation, occupance or use), the boundary of which is within 200 feet of a public sewer, must connect sewage facilities to the public sewer and install in said residence or business establishment a water closet for the use of persons occupying or using said residence business establishment.
      3.   Septic Tank Connections. In those cases where the boundary or real property is within 200 feet of the public sewer but it is impossible or impractical by reason of sewer elevation or other causes to connect thereto the owner must install septic tank sewer facilities for the use in any residence or business establishment on said property and install a water closet for the use of persons occupying or using said residence or business establishment.
      4.   Mandatory Installation. Owners of property having a residence or place of business not connected with the public sewer, or septic tank facilities, as provided in this section, shall be given notice by the Mayor of the City of Denison, to make connection to the public sewer, remove any outside toilet facilities, and install water closets on said premises, and in the event said order is not complied with within a period of 90 days from service of said notice, the City of Denison, Iowa, shall cause said sewer connection to be made, or install necessary septic tank sewage facilities, and shall remove outside toilet facilities and install water closets as provided herein, and pay the bill therefor from municipal funds, and the amount paid therefor shall become a debt to the City of Denison, Iowa, from the said property. The City of Denison, Iowa, shall thereupon send a statement of costs to the owner of said property, and if the same is not paid within 30 days, the amount shall be certified to the County Auditor as a special tax against said lands, and shall be collected the same as other taxes.