USGS Water-Year Summary 2020
05411850 Turkey River near Eldorado, IA
LOCATION - Lat 43°03'15.16", long 91°48'32.18" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 SE 1/4 sec.08, T.95 N., R.8 W., Fayette County, IA, Hydrologic Unit 07060004, on left bank 5 ft downstream from bridge on County Highway B40, 1.4 mi east of Eldorado, 3.6 mi downstream from confluence with Little Turkey River, 3.4 mi upstream from Dry Branch Creek, and 83.6 mi upstream from mouth.
DRAINAGE AREA - 641 mi².
PERIOD OF RECORD - Discharge records from September 2000 to current year.
GAGE - Water-stage recorder. Datum of gage is 890.00 ft above National Geodetic Vertical Datum of 1929.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of June 15, 1991, reached a stage of 18.78 ft, discharge 17,600 ft³/s.