Sandbagged levee holds in Iowa, protects city CEDAR FALLS, Iowa - Residents were ordered to evacuate low-lying sections of towns along the overflowing Cedar River on Wednesday, and communities along the Mississippi River were warned that new rainfall would boost their expected flood crests. Wisconsin checks other dams for flood damage Engineers and National Guard teams examined dams across this storm-deluged state Tuesday looking for signs of damage from the high water that led to the major collapse that nearly emptied Lake Delton. Flash flood inundates Wis. town for 2nd time For nearly a year, this tiny southwestern Wisconsin village has struggled to survive after a devastating flood. A new deluge may have sealed its fate.