USGS Water-Year Summary 2024
06922500 OSAGE RIVER AT WARSAW, MO
LOCATION - Lat 38°14'40.2", long 93°23'13.6" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 SW 1/4 sec.17, T.40 N., R.22 W., Benton County, MO, Hydrologic Unit 10290109, 1.5 mi downstream from Truman Dam, on the left bank at the Old Highway 7 suspension bridge, at Warsaw.
DRAINAGE AREA - 11,500 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Jul 2002 to current year (gage height only). Discharge published Oct 1, 1925 to Apr 30, 1931. Gage height records prior to Oct 1, 2004 available from the Missouri Water Science Center
GAGE - Water-stage recorder. Datum of gage is 631.06 ft above North American Vertical Datum of 1988.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum gage height known, 44.54 ft, May 21, 22, 1943. Maximum gage height prior to 1943, 44.46 ft in Jun 1844.