Streamflows in the Iowa River Watershed

There are several on-line resources available to show data on stream flows in the Iowa River Basin.

USGS Streamflow Data

This map shows all the USGS gaging stations in the Iowa River Watershed – a total of 24 from the headwaters to the mouth.

USGS Stream Gage Locations in the Iowa River Watershed

Gage Location County Period of Record Available Data Lat-Long
USGS 05448400 West Main Drainage Ditch 1 and 2 near Britt, IA Hancock 1966 – present Discharge, gage height 43.1025, -93.784444
USGS 05449500 Iowa River near Rowan, IA Wright 1940 – present Discharge, gage height 42.759972, -93.621639
USGS 05451210 South Fork Iowa River NE of New Providence, IA Hardin 1995 – present Discharge, temperature, dissolved oxygen, specific conductance, pH, turbidity, gage height, nitrate 42.315, -93.152222
USGS 05451500 Iowa River at Marshalltown, IA Marshall 1932 – current Discharge, gage height 42.065833, -92.9075
USGS 05451700 Timber Creek near Marshalltown, IA Marshall 1949 – present Discharge, gage height 42.008889, -92.852222
USGS 05451770 Iowa River at County Highway E49 near Tama, IA Tama 2011 – present Discharge, gage height 41.964256, -92.63655
USGS 05451900 Richland Creek near Haven, IA Tama 1949 – present Discharge, gage height 41.899444, -92.474167
USGS 05452000 Salt Creek near Elberon, IA Tama 1945 – present Discharge, gage height 41.964167, -92.313056
USGS 05452200 Walnut Creek near Hartwick, IA Poweshiek 1949 – present Discharge, gage height 41.835, -92.386111
USGS 05453000 Big Bear Creek at Ladora, IA Iowa 1945 – present Discharge, gage height 41.749444, -92.181944
USGS 05453100 Iowa River at Marengo, IA Iowa 1956 – present Discharge, gage height 41.812722, -92.064611
USGS 05453520 Iowa River below Coralville Dam near Coralville, IA Johnson 1992 – present Discharge, gage height 41.715278, -91.53
USGS 05454000 Rapid Creek near Iowa City, IA Johnson 1937 – present Discharge, gage height 41.7, -91.4875
USGS 05454090 Muddy Creek at Coralville, IA Johnson 2006 – present Discharge, gage height 41.7, -91.562778
USGS 05454220 Clear Creek near Oxford, IA Johnson 1993 – present Discharge, gage height 41.718333, -91.74
USGS 05454300 Clear Creek near Coralville, IA Johnson 1952 – present Discharge, gage height 41.676667, -91.598611
USGS 05454500 Iowa River at Iowa City, IA Johnson 1903 – current Discharge, gage height 41.656667, -91.540833
USGS 05455010 South Branch Ralston Creek at Iowa City, IA Johnson 1963 – present gage height 41.651389, -91.5075
USGS 05455100 Old Mans Creek near Iowa City, IA Johnson 1950 – present discharge, gage height, nitrate, temperature 41.606389, -91.615556
USGS 05455230 Deep River at Deep River, IA Poweshiek 1966 – present gage height 41.591389, -92.355
USGS 05455500 English River at Kalona, IA Washington 1939 – present discharge, gage height 41.469722, -91.714444
USGS 05455700 Iowa River near Lone Tree, IA Louisa 1956 – present discharge, gage height 41.423139, -91.475278
USGS 05465700 Iowa River at Oakville, IA Louisa 4/2009 – present Discharge, gage height 41.103194, -91.063528
USGS 05465500 Iowa River at Wapello, IA Louisa 10/1914 – present Discharge, gage height, nitrate, turbidity, temperature 41.178056, -91.181944

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