Maximum discharge along the river was observed at the
Little Sioux River Near Turin
with a streamflow rate of 1,410 cfs.
This is also the deepest point on the Little Sioux River, with a gauge stage of
8.58 ft.
This river is monitored from 3 different streamgauging stations along the Little Sioux River, the highest being perched at an elevation of 1,249 ft, the
Little Sioux River At Linn Grove
.