200.36 IMPROVEMENTS.
The subdivider shall install and construct all improvements required by the subdivision regulations of the City. All required improvements shall be installed and constructed in accordance with approved specifications and under the supervision of the Council and to its satisfaction.
1.   Outside Corporate Limits. Where a subdivision outside the corporate limits contains physical facilities necessary or desirable for the welfare of the area and which are of common use or benefit and which the City does not desire to or cannot maintain, provisions shall be made by the trust agreements, made a part of the deed restrictions, acceptable to the City for the proper and continuous maintenance and supervision of such facilities by the lot owners in the subdivision.
2.   Flooding Protection.
   A.   All new and replacement sanitary sewage systems shall be designed to minimize or eliminate infiltration of floodwaters into the system as well as the discharge of effluent into floodwaters. Wastewater treatment facilities shall be provided with a level of flood protection equal to or greater than one foot above the 100-year flood elevation.
   B.   On-site waste disposal systems shall be located or designed to avoid impairment to the system or contamination from the system during flooding.
   C.   New or replacement water supply systems shall be designed to minimize or eliminate infiltration of floodwaters into the system. Water supply treatment facilities shall be provided with a level of protection equal to or greater than one foot above the 100-year flood elevation.