Maximum discharge along the river was observed at the Millers River At Erving with a streamflow rate of 299 cfs. However, the deepest point on the river is located at the Millers River Near Winchendon reporting a gauge stage of 4.15 ft. This river is monitored from 3 different streamgauging stations along the Millers River, the highest being perched at an elevation of 834 ft, the Millers River Near Winchendon.