Maximum discharge along the river was observed at the Hillsborough River Near Zephyrhills Fl with a streamflow rate of 1,020 cfs. However, the deepest point on the river is located at the Hillsborough R Ab Crystal Spr Near Zephyrhills Fl reporting a gauge stage of 54.25 ft. This river is monitored from 5 different streamgauging stations along the Hillsborough River, the highest being perched at an elevation of 118 ft, the Hillsborough R Ab Crystal Spr Near Zephyrhills Fl.