Emergency Management of Johnson County reports that area water levels have continued to drop. Today the Coralville Lake Reservoir is at 704.7 feet, a 24-hour decrease of nearly a foot. Yesterday’s outflow was at 17,500 cubic feet per second and inflow was at 10,500. Despite the decrease in water at the reservoir, flood warnings continue for many areas along the Iowa River including Iowa City, Lone Tree, Columbus Junction and Wapello.