100 Year Floodplain Houston Map. USDHS FEMA 100 Year Flood Zones Web Map by HostedByHIFLD Explore geographic data with this interactive ArcGIS web application.
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Consider opening this content in Map Viewer to ensure the best experience. Geospatial data about Houston, Texas 100 year flood plain (Harris County)
Any place with a 1% chance or higher chance of experiencing a flood each year is considered to have a high risk USDHS FEMA 100 Year Flood Zones Web Map by HostedByHIFLD A 1 percent (100-year) floodplain, also known as a Special Flood Hazard Area on a Federal Emergency Management Agency (FEMA) Flood Insurance Rate Map (FIRM or floodplain map), is an area at risk for flooding from a bayou, creek or other waterway overflowing during a 1 percent (100-year) flood
Houston Texas Floodplain Map Printable Maps. A 1 percent (100-year) floodplain, also known as a Special Flood Hazard Area on a Federal Emergency Management Agency (FEMA) Flood Insurance Rate Map (FIRM or floodplain map), is an area at risk for flooding from a bayou, creek or other waterway overflowing during a 1 percent (100-year) flood Map Viewer Classic is a deprecated product and will be removed in Q1 of 2026
100 Year Floodplain Map Texas Printable Maps. Those areas have at least a one-in-four chance of flooding during a 30-year mortgage. Explore geographic data with this interactive ArcGIS web application.