Heavy rainfall in 2008 inundated the Coralville, Iowa, area. Six inches of rain fell on already saturated ground over a 48-hour period in June. It wasn’t the wettest year on record, but 2008 brought too much rain over too short a time. Damages and property loss were widespread and unprecedented.“We’re downstream of a U.S. Army Corps of Engineers flood control reservoir on a large watershed and adjacent to the Iowa River,” says Dan Holderness, city engineer. “In most years the Coralville Dam does its job, but we had water coming over the spillways and the river crested 5 feet above
