FEMA National Flood Hazard Layer for Massachusetts
About this dataset
Columns (24)
Sample rows
| DEPTH | LABEL | SFHA_TF | V_DATUM | DFIRM_ID | FLD_ZONE | LEN_UNIT | OBJECTID | VELOCITY | VEL_UNIT | AR_REVERT | AR_SUBTRV |
|---|---|---|---|---|---|---|---|---|---|---|---|
| -9999 | 1% Annual Chance Flood Hazard | T | 25005C | A | 1 | -9999 | |||||
| -9999 | 1% Annual Chance Flood Hazard | T | 25005C | A | 2 | -9999 | |||||
| -9999 | 1% Annual Chance Flood Hazard | T | 25005C | A | 3 | -9999 | |||||
| -9999 | 1% Annual Chance Flood Hazard | T | 25005C | A | 4 | -9999 | |||||
| -9999 | 1% Annual Chance Flood Hazard | T | 25005C | A | 5 | -9999 | |||||
| -9999 | 1% Annual Chance Flood Hazard | T | 25005C | A | 6 | -9999 | |||||
| -9999 | 1% Annual Chance Flood Hazard | T | 25005C | A | 7 | -9999 | |||||
| -9999 | 1% Annual Chance Flood Hazard | T | 25005C | A | 8 | -9999 |
A sample of the data. The full table and an interactive map open with a free account.
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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). The data in this service was published by FEMA as of July 18, 2025 (Latest Study Effective Date = 07/08/2025; Latest LOMR Effective Date = 07/09/2025). Also see the Feature Service and Tile service. See full details.
MassGIS Data: FEMA National Flood Hazard Layer (NFHL) Full MassGIS metadata: https://www.mass.gov/info-details/massgis-data-fema-national-flood-hazard-layer
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). The data in this service was published by FEMA as of July 18, 2025 (Latest Study Effective Date = 07/08/2025; Latest LOMR Effective Date = 07/09/2025). Also see the Map Service and Feature Service. See full details.
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. For questions or to find out additional information about this data, please visit the FEMA National Flood Hazard Layer page at: https://www.fema.gov/national-flood-hazard-layer-nfhl.
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