USGS Water-Year Summary 2020
06888990 KANSAS RIVER AT TOPEKA WATER PLANT, KS
LOCATION - Lat 39°04'19", long 95°42'58" referenced to North American Datum of 1927, in NW 1/4 sec.23, T.11 S., R.15 E., Shawnee County, KS, Hydrologic Unit 10270102, on the right bank at the weir structure at the water plant in Topeka and 3.0 mi upstream from the gage Kansas River at Topeka (06889000).
DRAINAGE AREA - 56,686 mi². 56,686 square miles, approximately, from automated delineation using 30-meter National Elevation Dataset digital elevation model data.
PERIOD OF RECORD - November 2015 to current year.
GAGE - Water-stage recorder. Datum of gage 857.163' NAVD88.
INSTRUMENTATION - WATER-QUALITY MONITOR: A Xylem EXO2 QW monitor was installed in November 2018 to measure water temperature, specific conductance, pH, dissolved oxygen, turbidity, chlorophyll fluorescence, and phycocyanin fluorescence. The monitor is in a 5-inch PVC pipe suspended by synthetic winch rope on the NW corner of the eastern-most intake structure (on the southern bank of the river). The system can be raised and lowered using a hand-operated winch.