Please note:
No update is expected for this dataset at this time. Please see the dataset's description below for more information
Lowest granularity
YearlyLatest date with data
2021Expected update frequency
N/ALast updated on
09/09/2022Locations available for download
Delaware, County, City, Zip Code, Census TractDescription
Point locations of buildings in Delaware with inclusion in FEMA Special Flood Hazard Area mapRationale
Understanding the number of buildings in a given geography that fall in a flood zone can help predict the potential severity of the effects of climate change on a community.Citation
Bing Maps Team. Computer Generated Building Footprints for the United States. 2018. Retrieved from https://github.com/microsoft/USBuildingFootprints and Federal Emergency Management Administration. Flood Map Service Center, 2022. Retrieved from: https://msc.fema.gov/portal/advanceSearch#searchresultsanchor
Overlaid FEMA Flood Map (polygon) Layer on Building Footprint (point) Layer, tallied counts by geographic inclusion
Each point in this dataset represents a building in Delaware, with a `in_floodzone` flag for whether the building is in a FEMA Special Flood Zone Hazard Area. Building footprints were computer-generated and derived from computer vision algorithms on satellite imagery.
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Appears on
This dataset appears on the following pages:
Indicators
| Name | Indicator Type | Latest Date With Data |
|---|---|---|
| Count of Buildings in Flood Zones | Count | 2021 |
| Percent of Buildings in Flood Zones | Crude Percentage | 2021 |