Maximum discharge along the river was observed at the Blackfoot River Near Bonner Mt with a streamflow rate of 585 cfs. However, the deepest point on the river is located at the Blackfoot River Nr Shelley Id reporting a gauge stage of 5.78 ft. This river is monitored from 7 different streamgauging stations along the Blackfoot River, the highest being perched at an elevation of 6,266 ft, the Blackfoot River Ab Reservoir Nr Henry Id.