Flood Zone

Flood hazard areas from the FEMA FIRM data. Missing SC Counties: Horry, Georgetown, Charleston, Dorchester, Colleton, Jasper, and Beaufort (see Preliminary).

The National Flood Hazard Layer (NFHL) dataset represents the current effective flood risk data for those parts of the country where maps have been modernized by the Federal Emergency Management Agency (FEMA).

Preliminary National Flood Hazard Layer (FEMA) GIS Layer

FEMA National Flood Hazard Layer Flood Hazard Zones. Map services is configured to be rendered at a scale of 1:145,000 or larger. Disclaimer: This product is for informational purposes only and may not be suitable for legal, engineering, or surveying purposes. It does not represent an official survey and represents only the approximate relative location of features and boundaries. Mapping may not necessarily reflect on-the-ground conditions. This product and those involved in its production make no claims as to the accuracy or reliability of the data, and neither assumes, nor will accept liability for their use.

Contains data from the National Flood Hazard Layer, a GIS database of flood risks and regulatory flood determination data.

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