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Learn about your home or business’ flood risks using maps from the City, federal agencies, and others.
Atlas is the City’s map-based information tool. You can use it to view:
You can also use it to check zoning information for a property, including if a property is located in an area at risk of flooding or “floodplain”.
FEMA is the official public source for flood hazard information and manages National Flood Insurance Program. Use these resources to find your official flood map, determine if your development project is in the floodplain, and learn about your flood risk.
Use the EPA’s Environmental Justice Screening and Mapping Tool to view a variety of climate change data, including flood risk, the 100-year floodplain, and sea level rise.
The Delaware Valley Regional Planning Commission (DVRPC) created an interactive story map showing current and future flooding impacts for communities in Philadelphia and the surrounding counties.