USGS Water-Year Summary 2018
06926000 OSAGE RIVER NEAR BAGNELL, MO
LOCATION - Lat 38°11'29", long 92°36'26" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 SE 1/4 sec.29, T.40 N., R.15 W., Miller County, MO, Hydrologic Unit 10290111, on center pier of U.S. Highway 54 bridge, 1.3 mi downstream from hydroelectric plant of AmerenUE of Missouri, 3.5 miles upstream from Bagnell, and at mile 80.5.
DRAINAGE AREA - 14,000 mi².
PERIOD OF RECORD - Oct 1880 to current year. Monthly discharge only for some periods published in WSP 1310. Gage-height records collected in this vicinity 1880-1931 are contained in reports of the Missouri River Commission or the National Weather Service.
GAGE - Water-stage recorder. Datum of gage is 549.13 ft above National Geodetic Vertical Datum of 1929 (levels by the Missouri State Highway and Transportation Commission). Nonrecording gage from Oct 1880 to Oct 15, 1930, and recording gage from Oct 15, 1930, to Sep 30, 1979, at site 1.7 mi downstream at datum 0.56 ft lower.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage prior to 1943, 43.1 ft in Jun 1844, discharge, 164,000 ft³/s from former site and datum.