10037-10 Amend Code- Ch. 21 Zoning FloodPlain Regulations

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areas subject to inundation by the flood with a 0.2 percent chance of being equaled or exceeded (the 500-year flood). Unshaded X zones (C zones on older FIRMS) designate areas where the annual exceedance probability of flooding is less than 0.2 percent. (83) Zone means a geographical area shown on a FHBM or FIRM that reflects the severity or type of flooding in the area. (84) Zone A (see definition for A zone) (85) Zone B, C, and X means areas identified in the community as areas of moderate or minimal hazard from the principal source of flood in the area. However, buildings in these zones could be flooded by severe, concentrated rainfall coupled with inadequate local drainage systems. Flood insurance is available in participating communities but is not required by regulation in these zones. (Zone X is used on new and revised maps in place of Zones B and C.) (c) General Provisions (1) Lands to Which This Ordinance Applies. This ordinance shall apply to all SFHAs and known flood prone areas within the jurisdiction of the City of South Bend, Indiana. (2) Basis for Establishing Regulatory Flood Data. This ordinance's protection standard is the regulatory flood. The best available regulatory flood data is listed below. Whenever a party disagrees with the best available data, the party submitting the detailed engineering study needs to replace existing data with better data and submit it to the Indiana Department of Natural Resources for review and approval. (A) The regulatory flood elevation, floodway, and fringe limits for the studied SFHAs of South Bend, Indiana shall be as delineated on the 100 year flood profiles in the Flood Insurance Study of St. Joseph County, Indiana and Incorporated Areas dated January 6, 2011 and the corresponding Flood Insurance Rate Map prepared by the Federal Emergency Management Agency and dated January 6, 2011. (B) The regulatory flood elevation, floodway, and fringe limits for each of the remaining SFHAs of South Bend, Indiana delineated as an "A Zone" on the Flood Insurance Rate Map of St. Joseph County, Indiana and Incorporated Areas prepared by the Federal Emergency Management Agency and dated January 6, 2011 shall be according to the best data available as provided by the Indiana Department of Natural Resources; provided the upstream drainage area from the subject site is greater than one square mile (C) In the absence of a published FEMA map, or absence of identification on a FEMA map, the regulatory flood elevation, floodway, and fringe limits of any watercourse in the community's known flood prone areas shall be according to Page 14 of 31