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ZONING REGULATIONS § 7S-U10 T defined and established to be the low areas and floodplain adjoining and including any water course or drainage way or body of water subject to periodic flooding or overflow. These areas are divided into the following three protected area\// distnets: (1) Floodway district (FW). The floodway dis trict shall include those areas designated as floodway in the flood insurance study, including without limitation the surface and shoreline of Lake Minnetonka below elevation 929.4 MSL, the surface and she re line of other lakes, ponds and wetlands below the ordinary high water elevation, and the designated floodway of all streams and flowage areas. (2) Flood fringe district (FFD), The flood fringe district shall include those areas desig nated as floodway fringe in the flood in surance study, including without limita tion the shoreline of Lake Minnetonka between elevations 929.4 MSL and 9ol 5 MSL, the area between the floodway and the edge of the 100-year flood on all other lakes, ponds and streams, all designated sheet flow areas, all intermittent streams, and ponding areas and all lands contain ing soil types classified as wetlands soils, whether or not there is water standing on these soils at any given time. (3) General floodplain district CGFPJ. The gen eral floodplain district shall in lude those areas studied by approximate methods and designated as unnumbered A zones by the flood insurance rate map. GFP areas may include both floodway and flood fringe areas. Development of lands con taining designated GFP areas shall be contingent upon submittal by the devel oper of topographic data (at contour inter vals oi uc greater than two feet) and/or other engineering analysis sufficient for the city to determine the actual extent of the floodway and/or the flood fringe. Upon such determination, the restrictions of the FW and FFD districts shall apply. (Code 1984, § 10.55(4)) Cross reference—Definitions generally, 5 1-2, Sec. 7S-1109. Official flood protection maps. (a) The boundaries of the floodplain and wetlands conservation areas shall be and are designated as shown on one or more of the follow- ing official maps: (1) Those areas designated and shown as stream, lake, marsh, wooded marsh, sub merged marsh, inundation area, intermit tent lake or intermittent streams by the United States Department of the Interior, through the Geological Survey on maps and supporting data designated as Mound Quadrangle. Minnesota [NW/4 Lake Min netonka (1958)1 and Excelsior Quadran gle, Minnesota (NW/4 Lake Minnetonka (1953)]. (?> Those areas designated and shown as wetlands soil types on the wetlands inven tory and classification aerial plat map overlays prepared by the Hennepin Soil and Water Conservation District (June, 1975). (3) Those areas designated and shown as general floodplain, floodway or flood fringe by the Federal Insurance Administration on the Flood Boundary and Floodway Maps, Orono, Minnesota, and Flood Ir.sur ance Rate Maps, Orono, Minnesota, datec October 17. 1978. Specifically included ii the explanatory material and tabular in formation contained in the Federal Insur ance Administration Flood Insurance Stud; for Orono, Minnesota, dated April 1973. (b) The maps and studies designated in sal section (a) of this section are adopted by referenc as the official maps for the establishment of tt floodplain and wetlands conservation areas an are made a part of this article as if fully set out: this lecticn. At least one copy of each official ms shall be kept on file in the office of the cler administrator and shall be available for pub! review during ail normal office hours. (Coda 19S4, § 10.55(5)) Sec. 78-1110. Zoning use districts. The zoning use districts as designated on \ official zoning map shall remain unchanged w CD7S:171