Iowa River

Streamflow Hydrology Weather


Iowa River Levels

June 16 2024

54,559 ACRE-FT

Discharge Volume Today
-4792.0 cfs (-14.84%) since yesterday
75.49% of Normal 8 Streamgauges

Total streamflow across the Iowa River was last observed at 27,507 cfs, and is expected to yield approximately 54,559 acre-ft of water today; about 75% of normal. Average streamflow for this time of year is 36,440 cfs, with recent peaks last observed on 2014-07-04 when daily discharge volume was observed at 225,800 cfs.

Maximum discharge along the river is currently at the Iowa River At Wapello reporting a streamflow rate of 13,900 cfs. However, the streamgauge with the highest stage along the river is the Iowa River Below Coralville Dam Nr Coralville with a gauge stage of 50.81 ft. This river is monitored from 8 different streamgauging stations along the Iowa River, the highest being situated at an altitude of 1,187 ft, the Iowa River Near Rowan.

Last Updated 2024-06-16
Streamflow 27,507.0 cfs
Percent of Normal 75.49%
Maximum 225,800.0 cfs
2014-07-04

About the iowa river


The Iowa River is a tributary of the Mississippi River and runs about 329 miles across the state of Iowa. It has been an essential part of Iowa's history, being used for transportation of goods, power generation, and irrigation. The river's hydrology has been significantly impacted by agricultural practices, with high levels of sediment and nutrient runoff leading to water quality issues. Several dams and reservoirs have been constructed along the river to control flooding and provide recreational opportunities, including the Coralville Reservoir and Dam, Lake Red Rock, and the Iowa City Reservoir. These reservoirs provide water for irrigation and recreation, including boating, fishing, and camping. The Iowa River remains an important part of Iowa's landscape and economy, with efforts being made to improve water quality and preserve its ecological health.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Iowa River Near Rowan
USGS 05449500
257 cfs 4.86 ft -4.46
Iowa River At Marshalltown
USGS 05451500
1080 cfs 11.71 ft -5.26
Iowa River Near Belle Plaine
USGS 05452500
2200 cfs 9.2 ft -3.93
Iowa River At Marengo
USGS 05453100
2170 cfs 8.85 ft -6.47
Iowa River Below Coralville Dam Nr Coralville
USGS 05453520
2130 cfs 50.81 ft -30.84
Iowa River At Iowa City
USGS 05454500
2320 cfs 11.79 ft -30.95
Iowa River Near Lone Tree
USGS 05455700
3450 cfs 7.68 ft -20.51
Iowa River At Wapello
USGS 05465500
13900 cfs 15.84 ft -10.32

Peak Annual Discharge

Iowa River Maximum Total Discharge

Seasonal Comparison

Iowa River Year Over Year Discharge


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