Description
Data developed by the Federal Emergency Management Agency (FEMA) with information from its Digital Flood Insurance Rate Map (DFIRM) Database, capturing flood risk information and supporting data for Philadelphia County. Data consists of geo-referenced digital maps and attribute data. Risk classifications used in the data are: 1% annual-chance flood event; 0.2% annual-chance flood event; and areas of minimal flood risk.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| Flood Hazard Zone Lines - Bucks County, Shapefile | ESRI Shape | FEMA_NFHL_42017C_Bucks_County_20190614.zip | Open resource |
| Flood Hazard Zone Lines - Chester County, Shapefile | ESRI Shape | FEMA_NFHL_42029C_Chester_County_20210418.zip | Open resource |
| Flood Hazard Zone Lines - Philadelphia City, Shapefile | ESRI Shape | FEMA_NFHL_420757_Philadelphia_County_20190926.zip | Open resource |
| Flood Hazard Zone Lines - Montgomery County, Shapefiles | ESRI Shape | FEMA_NFHL_42091C_Montgomery_20210923.zip | Open resource |
| Flood Hazard Zone Lines, Text Metadata | HTML | Open resource |