Maximum discharge along the river was observed at the Nooksack River At Everson with a streamflow rate of 808 cfs. However, the deepest point on the river is located at the Nooksack River At North Cedarville reporting a gauge stage of 139.42 ft. This river is monitored from 3 different streamgauging stations along the Nooksack River, the highest being perched at an elevation of 146 ft, the Nooksack River At North Cedarville.