Maximum discharge along the river was observed at the
Sulphur Rv Nr Texarkana
with a streamflow rate of 679 cfs.
This is also the deepest point on the Sulphur River, with a gauge stage of
This river is monitored from 3 different streamgauging stations along the Sulphur River, the highest being perched at an elevation of 290 ft, the
Sulphur Rv Nr Talco.