The South Grand River is a stream in Bates, Cass, Henry and Benton counties of west central Missouri. It is a tributary of the Osage River. The stream headwaters are in Cass County at the confluence of Massey Creek and East Creek at 38°40′03″N 94°31′56″W three miles east of Cleveland and five miles southwest of Peculiar. The stream flows southeast crossing under Missouri Route 2 near Freeman and US Route 71 near Archie. Just to the southeast of Archie the stream turns to the east and becomes the boundary between Cass and Bates counties. The stream flows east through the ... Source: Wikipedia
Maximum discharge on the river today is recorded at the South Grand River At Archie with a streamflow rate of 22 cfs. This is also the deepest point on the South Grand River, reporting a gauge stage of 5.31 ft. This river is monitored from 2 different streamgauging stations along the South Grand River, the first of which is perched at an elevation of 773 ft, the South Grand River At Archie .