A - Areas of 100-yr flood; base flood elevations and flood hazard factors not determined.

AE -  Areas of 100-yr flood; base flood elevations have been determined.

AO - Areas of 100-yr shallow flooding where depths are between one (1) and three (3) feet; average depths of inundation are shown, but no flood hazard factors are determined.

AH - Areas of 100-yr shallow flooding where depths are between one (1) and three (3) feet; base flood elevations are shown, but no flood hazard factors are determined.

AR - An area inundated by flooding, for which BFEs or average depths have been determined. This is an area that was previously, and will again, be protected from the 100-year flood by a Federal flood protection system whose restoration is Federally funded and underway.

A1-A30 - Areas of 100-yr flood; base flood elevations and flood hazard factors determined.

A99 - Areas of 100-yr flood to be protected by flood protection system under construction; base flood elevations and flood hazard factors not determined.

Get A FREE Quote

D - Areas of undetermined, but possible, flood hazards.

V - Areas of 100-yr coastal flood with velocity (wave action); base flood elevations and flood hazard factors not determined.

VE - 100-year coastal floodplains that have additional hazards associated with storm waves. BFE's available.

V1-V30 - Areas of 100-yr coastal flood with velocity (wave action); base flood elevations and flood hazard factors determined.

B, C and X - areas outside the 100-year floodplains, areas of 100-year sheet flow flooding where average depths are less than 1 foot, areas of 100-year stream flooding where the contributing drainage area is less than 1 square mile, or areas protected from the 100-year flood by levees. No BFEs or depths are shown within this zone.

See the FEMA website for additional information.