Maximum discharge along the river was observed at the Piscataquis River At Medford with a streamflow rate of 448 cfs. However, the deepest point on the river is located at the Piscataquis River At Blanchard reporting a gauge stage of 3.88 ft. This river is monitored from 3 different streamgauging stations along the Piscataquis River, the highest being perched at an elevation of 592 ft, the Piscataquis River At Blanchard.