DFIRM – FEMA Flood Hazard Zone Polygons

MARIS has obtained the current FEMA DFIRM flood hazard zone polygon shapefiles for all available counties. As new counties become available, we will be adding them to this link.

Please note that this shapefile is only part of the complete DFIRM packet. (See Content description). For the entire packet, go to the FEMA Flood Map Service Center 

DFIRM Effective Year - Status Map:  Flood_Eff_Date_Apri17.pdf

The data is in NAD1983 Mississippi State Plane Feet (East or West) projection.

The main attribute listing FEMA Flood Zone Codes is FLD_Zone
(See entire FEMA Code Description)

NOTE: For any flood map questions, please contact your local community flood plain manager or MDEQ’s Steve Champlin at: stephen_champlin@deq.state.ms.us

File Description

Files are packaged into a packet: <Countyname>_fldhaz.zip including:

<Countyname>_fldhaz.shp … ……Shapefile of polygonal areas
<Countyname>_fldhaz.met.txt ….. County metadata  (Sample)

Statewide Hazard Shapefile: June 2015 (MSTM)
Statewide Hazard Shapefile: June 2015 (Lat/Long)
Statewide Full DFIRM Geodatabase: June 2015 (Lat/Long)

NOTE: Bolivar – Now Available March 2017
Carroll, Quitman, Panola, Tallahatchie - Estimated available June 2017
Itawamba, and Monroe are not included by FEMA due to in-process status.

Mississippi DEQ - Office of Geology's MS-NFHL Web Map Viewer - click here...

deq maris