USGS Water-Year Summary 2019
06879100 KANSAS RIVER AT FORT RILEY, KS
LOCATION - Lat 39°03'42", long 96°45'58" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 SW 1/4 sec.10, T.23 S., R.6 E., Geary County, KS, Hydrologic Unit 10270101, on right bank, 2.3 mi downstream from the confluence of the Republican and Smoky Hill Rivers and at mile 168.1.
DRAINAGE AREA - 44,870 mi², of which a large area is noncontributing.
PERIOD OF RECORD - December 1963 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,031.40 ft above NGVD of 1929. Prior to May 25, 2005, gage 1.0 mi upstream at datum 3.29 ft higher.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in July 1951 reached a stage of 34.5 ft, from information by U.S. Army Corps of Engineers.