Maximum discharge along the river was observed at the Hackensack River At Rivervale Nj with a streamflow rate of 107 cfs. However, the deepest point on the river is located at the Hackensack River At West Nyack Ny reporting a gauge stage of 2.83 ft. This river is monitored from 3 different streamgauging stations along the Hackensack River, the highest being perched at an elevation of 57 ft, the Hackensack River At West Nyack Ny.