FEMA's National Flood Hazard Layer (NFHL) Viewer
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. NFHL digital data covers over 90 percent of the U.S. population. New and revised data is being added continuously. If you need information for areas not covered by the NFHL data, there may be other FEMA products which provide coverage for those areas.
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Additional Information
| Field | Value |
|---|---|
| Data last updated | unknown |
| Metadata last updated | August 30, 2023 |
| Created | unknown |
| Format | HTML |
| License | No License Provided |
| Created | 2 years ago |
| Collection frequency | one-time |
| Id | 6c1b6b52-a9a3-494a-ba85-0d302bd1664e |
| License id | cc-by |
| Package id | b8f8fecb-8597-4317-8dfa-d2dd1da99178 |
| Publish method | Webmap |
| Resource contact email | [email protected] |
| Resource contact name | James Dewar |
| Resource version | 1 |
| State | active |