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.
DFIRM Effective Year - Status Map: Flood_Eff_Date_June17.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: firstname.lastname@example.org
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: May 2019 (MSTM)
Statewide Hazard Shapefile: May 2019 (Lat/Long)
Statewide Full DFIRM Geodatabase: May 2017 (Lat/Long)
NOTE: : New Itawamba, Monroe, Harrison, and Jackson Now Available May 2019
Download County zips
Mississippi DEQ - Office of Geology's MS-NFHL Web Map Viewer - click here...