100 Year Floodplain Houston Map

100 Year Floodplain Houston Map. Map Viewer Classic is a deprecated product and will be removed in Q1 of 2026 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


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Those areas have at least a one-in-four chance of flooding during a 30-year mortgage. Structures located in a 1 percent (100-year) floodplain have a minimum of a 1 percent chance of.

Geospatial data about Houston, Texas 100 year flood plain (Harris County) USDHS FEMA 100 Year Flood Zones Web Map by HostedByHIFLD Consider opening this content in Map Viewer to ensure the best experience.

. Consider opening this content in Map Viewer to ensure the best experience. Any place with a 1% chance or higher chance of experiencing a flood each year is considered to have a high risk

. Hurricane Harvey; Spring Floods 2016; Hurricane Ike 2008; Tropical Storm Allison 2001 Structures located in a 1 percent (100-year) floodplain have a minimum of a 1 percent chance of.