20250113 08464000 1.0 TRUE 5000000 5000 FGDC Raster dataset of flood depth for a 1% annual chance flood event for MAS 21 Lower Cibolo Study. <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Flood depth grids communicate flood water depth for various flood frequency events. The flood depth for a given location is calculated by subtracting the ground elevation value from the water surface elevation; this process is executed for the area within the flood extent for each flood event (e.g. 1% annual chance, 10% annual chance, etc.). For more information, please review the technical and guidance documentation provided by FEMA (</SPAN></SPAN><A href="http://www.fema.gov:80/flood-maps/products-tools" STYLE="text-decoration:underline;"><SPAN STYLE="text-decoration:underline;"><SPAN>www.fema.gov/flood-maps/products-tools</SPAN></SPAN></A><SPAN><SPAN>). Please contact the San Antonio River Authority’s (SARA) Watershed Engineering Department for more information regarding their FEMA Risk MAP projects.</SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN>Published Jan 2025.</SPAN></P></DIV></DIV></DIV> Federal Emergency Management Agency and San Antonio River Authority MAS21_Lcib_Depth_01pct FEMA Risk MAP Flood Risk depth flood depth 1% annual chance 100 year flood 20250113