USGS Water-Year Summary 2023
06921760 SOUTH GRAND RIVER NEAR CLINTON, MO
LOCATION - Lat 38°22'12.5", long 93°51'29.2" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 SW 1/4 sec.01, T.41 N., R.26 W., Henry County, MO, Hydrologic Unit 10290108, at right upstream end of bridge on State Highway 18, 4.4 mi west of Clinton, and 5.4 mi downstream from Big Creek.
DRAINAGE AREA - 1,270 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct 1986 to current year. Discharge published Oct 1986 to Sep 30, 2008. Stage only Oct 1, 2008 to current year.
GAGE - Water-stage recorder. Datum of gage is 700.00 ft above National Geodetic Vertical Datum of 1929.