Dam Break Inundation
Prince William County
Updated Oct 11, 2026
About this dataset
This data layer contains polygon features representing the approximate locations of dam break inundation zones and special flood hazard areas (Floodplains and Floodways). It was created to provide users the ability to overlay these features onto the parcel boundary layer.The dam break inundation zone layer provided by the Virginia Department of Conservation. The special flood hazard area layer was provided by Federal Emergency Management Agency (FEMA). Users should consult these agencies for legal inundation zone and special flood hazard area boundaries.
Data and resources (6)
- HTML
ArcGIS Hub Dataset
Modified May 11, 2026
- ArcGIS
ArcGIS GeoService
Modified May 11, 2026Map preview available
- CSV
CSV
Modified Oct 11, 2026Table and Data API available
- ZIP
Shapefile
Modified May 11, 2026Map preview available
- GeoJSON
GeoJSON
Modified May 11, 2026Map preview available
- KML
KML
Modified May 11, 2026Map preview available