USGS Water-Year Summary 2020
05451770 Iowa River at County Highway E49 near Tama, IA
LOCATION - Lat 41°57'51.32", long 92°38'11.58" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 SE 1/4 sec.30, T.83 N., R.15 W., Tama County, IA, Hydrologic Unit 07080208, 20 ft upstream from bridge on County Highway E49, 2.3 mi west of Tama, 1.8 mi downstream from Cattail Creek, 1.1 mi upstream from Bennett Creek, and 184.4 mi upstream from mouth.
DRAINAGE AREA - 1,882 mi².
PERIOD OF RECORD - Discharge records from June 2011 to current year.
GAGE - Water-stage recorder. Datum of gage is 810.47 ft above North American Vertical Datum of 1988.
PERIOD OF RECORD - Water years 2006-2007, 2010-2011, 2013.