Floodplain Zones
Floodplain Zones : A Special Flood Hazard Area where no BFE is provided A# Numbered A Zone (e.g. A7 or A14), SFHA where the FIRM shows a BFE in relation to NGVD. AE SFHA where BFEs are provided. AE zone delineations are now used on new FIRMs instead of A# zones AO SFHA with sheet flow, ponding, or shallow flooding Base flood depths (feet above grade) are provided. AH Shallow flooding SPHA BFEs in relation NGVD are provided. B Area of moderate flood hazard, usually depicted on FIRMs as between the limits of the base and 500-year floods. B Zones are also used to designate base floodplains of little hazard, such as those with average depths of less than one foot C Area of minimal flood hazard, usually depicted on FIRMs as above the 500-year flood level- B and C Zones may have flooding that does not meet the criteria to be mapped as a Special Flood Hazard Area, especially local ponding and drainage problems. D Area of undetermined but possible flood hazard. D zones are usually remote areas where the development potential does not warrant mapping study. V The SFHA subject to coastal high hazard flooding. There are 3 types of V Zones: V SFHA where no BFE is provided. V# Numbered V Zone (e.g. V7 or V14), SFHA where the FIRM shows a BFE in relation to NGVD VE SFHA where BFEs are provided. VE zone delineations are now used on new FIRMs instead of V# zones. X New FIRMs are now showing Zone B and C as Zone X
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