100 Year Floodplain Houston Map. Those areas have at least a one-in-four chance of flooding during a 30-year mortgage. Most of the flooding is in areas developed prior to the current understanding of flood potential and prior to regulations restricting construction in flood-prone areas
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Any place with a 1% chance or higher chance of experiencing a flood each year is considered to have a high risk Geospatial data about Houston, Texas 100 year flood plain (Harris County)
Explore geographic data with this interactive ArcGIS web application. 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 Flood maps show how likely it is for an area to flood
New 100year 24Hour Rainfall Map and Data Released by NOAA Today Reduce Flooding. Those areas have at least a one-in-four chance of flooding during a 30-year mortgage. Any place with a 1% chance or higher chance of experiencing a flood each year is considered to have a high risk
100 Year Floodplain Map Texas Printable Maps. A major flood occurs somewhere in Harris County about every two years It does not mean that the flood will occur every 100 years; rather it is the flood elevation that has a 1- percent chance of being equaled or exceeded each year.