Apr 1, 2011
Major flooding of the Big Sioux River, other streams, lakes, and general flooding, which began with a rapid March snowmelt, continued through April. Water levels, having fallen from March peaks, rose again at various times during the month, and were generally falling again by the end of the month. However, any fall of water levels was very slow. Widespread flooding of farmland continued. Many roads remained flooded with heavy road damage being reported in some areas. High water and groundwater l
Source: NOAA National Weather Service Storm Events Database (event 304739). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Brookings County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.