Jul 1, 2010
Heavy rains during the last two weeks of June resulted in the Iowa River at Marengo remaining above the moderate flood stage level of 15.5 feet into July. It crested around 17.8 feet around 1 pm CDT July 6. It had a secondary crest of 17.7 feet around 7 am July 8. It finally fell below the moderate flood stage level around 1 pm CDT July 15.
Source: NOAA National Weather Service Storm Events Database (event 251709). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Iowa County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.