Ord 2020-087/amending Chapter 39 of the SM Code regarding Flood Damage Prevention by providing for enhances flood damage prevention and mitigation standards

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b. All public and private utilities and facilities, such as sewer, gas, electrical, and water systems are located and constructed to minimize or eliminate flood damage, and c. Adequate drainage is provided to prevent danger to life and property due to flooding, increased inundation, or erosion damage. (8) New and replacement water supply systems must be designed to prevent infiltration of floodwaters into the systems. (9) New and replacement sanitary sewage systems must be designed to prevent infiltration of floodwaters into the systems and discharges from the systems into floodwaters, and on-site waste disposal systems must be located and constructed to avoid impairment to them or contamination from them during flooding. (10)New construction and substantial improvements, when located in multiple flood zones with varying base flood elevations or in same flood zone with multiple base flood elevations must meet the requirements for the flood zone with the most stringent requirements and the highest base flood elevation. Sec. 39.042. Standards for approximate A -zones. On land located within the areas of special flood hazard established in section 39.021, where streams exist for which no base flood elevation data or regulatory floodway has been provided by FEMA, the following provisions apply: (1) Compliance with the standards listed in section 39.041. (2) Base flood elevation data must be submitted to the floodplain administrator for all new subdivision proposals and other proposed developments (including proposals for manufactured home parks and subdivisions) greater than 50 lots or five acres, whichever is the lesser, if not otherwise required by this article. (3) The floodplain administrator will obtain, review, and reasonably use any base flood elevation and floodway data available from a federal, state, or other source, including data developed pursuant to subsection 39.042(2). When such base flood elevation data is used, the new construction, substantial improvements, or other development must meet the elevation and non -elevation requirements of sections 39.043 through 39.046. (4) When the base flood elevation data is used, the floodplain administrator will: a. Obtain from the developer in the form of an elevation certificate the elevation (in relation to the mean sea level) of the lowest floor (including the basement) of all new and substantially improved structures;