USGS Water-Year Summary 2020
05412020 Turkey River above French Hollow Creek at Elkader, IA
LOCATION - Lat 42°50'36.6", long 91°24'04.1" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 NW 1/4 sec.26, T.93 N., R.5 W., Clayton County, IA, Hydrologic Unit 07060004, on left bank 5 ft downstream from bridge on State Highway 13 in Elkader, 100 ft upstream from French Hollow Creek, and 39.1 mi upstream from mouth.
DRAINAGE AREA - 903 mi².
PERIOD OF RECORD - Discharge records from August 2001 to current year.
GAGE - Water-stage recorder. Datum of gage is 694.93 ft above National Geodetic Vertical Datum of 1929.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of June 15, 1991, reached a stage of 27.32 ft, discharge 38,300 ft³/s.