BFEs are provided.Īrea to be protected from base flood by levees or Federal Flood Protection Systems under construction. Base flood depths (feet above ground) are provided. The base floodplain with sheet flow, ponding or shallow flooding. On newer FIRMs, AE Zones are the same as A1-A30 Zones (i.e., BFEs are shown). BFEs are shown on a FEMA map that includes any of these zones. Known as numbered A Zones (e.g., A7 or A14).
This is often called an unnumbered A Zone or an approximate A zone. Six types of 'A' zones are described below.īase flood elevations (BFE) are not determined. Please see the table below for explanations of these zones. Whatever the area shown on a FEMA FIRM map, it may include several types of floodplain zones, each designated by a letter or a combination of a letter and number(s).