Fathom Flood Hazard Extent 1% AEP (100-yr)
Virginia Department of Conservation and Recreation
Updated Oct 19, 2026
About this dataset
<p><span style='background-color:rgb(255,255,255); color:rgb(74,74,74); font-family:"Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='display:inline !important; float:none; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; text-align:left; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'>Fathom is a 3rd party flood hazard data provider with a comprehensive dataset of flood hazards including coastal, fluvial, and pluvial flooding. This layer represent a combined floodplain with the three major sources of flooding combined into one extent. Non-regulatory flood hazard extent based on Fathom 10-meter depth grid for baseline (2020). Public layers include the 1% and 0.2% Annual Exceedance Probability.</span></span></p>
Data and resources (6)
- HTML
ArcGIS Hub Dataset
Modified May 19, 2026
- ArcGIS
ArcGIS GeoService
Modified May 19, 2026Map preview available
- CSV
CSV
Modified May 19, 2026
- ZIP
Shapefile
Modified May 19, 2026Map preview available
- GeoJSON
GeoJSON
Modified May 19, 2026Map preview available
- KML
KML
Modified May 19, 2026Map preview available