100 Year Floodplain Houston Map. 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 USDHS FEMA 100 Year Flood Zones Web Map by HostedByHIFLD
from
USDHS FEMA 100 Year Flood Zones Web Map by HostedByHIFLD Structures located in a 1 percent (100-year) floodplain have a minimum of a 1 percent chance of.
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 Any place with a 1% chance or higher chance of experiencing a flood each year is considered to have a high risk Explore geographic data with this interactive ArcGIS web application.
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 Explore geographic data with this interactive ArcGIS web application.
. Any place with a 1% chance or higher chance of experiencing a flood each year is considered to have a high risk Map Viewer Classic is a deprecated product and will be removed in Q1 of 2026