FEMA Flood Hazard Zones
United States of AmericaAbout this dataset
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The National Flood Hazard Layer (NFHL) is a geospatial database that contains current effective flood hazard data. FEMA provides the flood hazard data to support the National Flood Insurance Program.
Federal Emergency Management Agency (FEMA) National Flood Hazard Layer (effective data only). Refer to GIS Web Services for the FEMA National Flood Hazard Layer (NFHL) for map service information. Data is updated as needed.
The National Flood Hazard Layer (NFHL) is a geospatial database that contains current effective flood hazard data. FEMA provides the flood hazard data to support the National Flood Insurance Program. You can use the information to better understand your level of flood risk and type of flooding. The NFHL is made from effective flood maps and Letters of Map Change (LOMC) delivered to communities. New and revised data is being added continuously. For more information National Flood Hazard Layer.
Contains data from the National Flood Hazard Layer, a GIS database of flood risks and regulatory flood determination data.
Contains data from the National Flood Hazard Layer, a GIS database of flood risks and regulatory flood determination data.
Indexed by OrionGIS from FEMA flood maps (NFHL). Data is loaded from the publisher's own server when you use it. Permanent link