Laserfiche WebLink
Ramsey County Multi-Hazard Mitigation Plan, 2018 <br /> <br />Page | 63 <br /> <br />Table 20. Historical Flood Crests for USGS Gauging Stations in Ramsey County <br />Historical Flood Crests <br />for Mississippi River at <br />St. Paul, MN <br /> <br />Date Height <br />(Feet) <br />4/16/1965 26.01 <br />4/15/1969 24.52 <br />4/18/2001 23.76 <br />4/30/2001 23.20 <br />4/13/1997 22.37 <br />4/16/1952 22.02 <br />6/26/2014 20.13 <br />6/26/1993 19.15 <br />3/29/2011 19.02 <br />4/16/1951 18.79 <br /> <br /> <br />Historical Flood Crests for <br />Mississippi River at South <br />St. Paul, MN <br /> <br />Date Height <br />(Feet) <br />4/29/2001 703.04 <br />4/18/2001 703.03 <br />4/13/1997 702.90 <br />6/26/2014 700.94 <br />6/25/1993 699.98 <br />3/30/2011 698.95 <br />3/24/2010 698.56 <br />7/02/2013 694.84 <br />6/03/2012 694.02 <br />4/01/2009 693.87 <br /> <br /> <br />Historical Flood Crests for <br />Rice Creek in Mounds <br />View, MN <br /> <br />Date Height <br />(Feet) <br />6/19/2014 12.25 <br />8/16/2011 11.17 <br />5/24/2012 10.49 <br />5/19/2013 10.43 <br />3/22/2010 9.55 <br />7/6/2015 9.45 <br />unknown unknown <br />unknown unknown <br />unknown unknown <br />unknown unknown <br /> <br />Source: NOAA <br /> <br />Vulnerability and Hazus Hazard Analysis <br />The University of Minnesota Duluth Geospatial Analysis Center (GAC) performed the hazard risk <br />assessment for 100-year floods using the Hazus GIS tool (FEMA). <br />FEMA’s Hazus 4.2 in ArcGIS 10.5.1 was used to estimate the potential losses incurred for a 100-year <br />flood event in Ramsey County using a Digital Flood Insurance Rate Map (DFIRM). A 10-meter Digital <br />Elevation Model (DEM) was used to create a flood depth grid. The resulting 100-year floodplain <br />boundary is shown in Figure 12.