177.05   ESTABLISHMENT OF ZONING (OVERLAY) DISTRICTS.
The floodplain areas within the jurisdiction of this ordinance are hereby divided into the following districts:
1.   Floodway (Overlay) District (FW) - those areas identified as Floodway on the Official Flood Plain Zoning Map;
2.   Floodway Fringe (Overlay) District (FF) - those areas identified as Zone AE on the Official Flood Plain Zoning Map but excluding those areas identified as Floodway;
3.   General Floodplain (Overlay) District (GF) - those areas identified as Zone A on the Official Flood Plain Zoning Map, and;
The boundaries shall be as shown on the Official Floodplain Zoning Map. Within these districts, all uses not allowed as Permitted Uses are prohibited unless a variance to the terms of this ordinance is granted after due consideration by the Board of Adjustment.