Maximum discharge on the river today is recorded at the Iowa River At Wapello with a streamflow rate of 3,740 cfs. However, the deepest point on the river is located at the Iowa River Below Coralville Dam Nr Coralville reporting a gauge stage of 49.05 ft. This river is monitored from 8 different streamgauging stations along the Iowa River, the first of which is perched at an elevation of 1,187 ft, the Iowa River Near Rowan .