Iowa River

Streamflow Hydrology Weather


Iowa River Levels

October 4 2024

7,427 ACRE-FT

Discharge Volume Today
-61.1 cfs (-1.61%) since yesterday
25.17% of normal Very Low

Total streamflow across the Iowa River was last observed at 3,744 cfs, and is expected to yield approximately 7,427 acre-ft of water today; about 25% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 14,878 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 2,320 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 49.03 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 2024-10-04
Streamflow 3,744.4 cfs
Percent of Normal 25.17%
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
24 cfs 3.23 ft -4.31
Iowa River At Marshalltown
USGS 05451500
121 cfs 9.54 ft 4.31
Iowa River Near Belle Plaine
USGS 05452500
171 cfs 5.19 ft 0
Iowa River At Marengo
USGS 05453100
303 cfs 5.77 ft 0
Iowa River Below Coralville Dam Nr Coralville
USGS 05453520
185 cfs 49.03 ft 0
Iowa River At Iowa City
USGS 05454500
182 cfs 9.03 ft -10.78
Iowa River Near Lone Tree
USGS 05455700
438 cfs 4.18 ft -4.99
Iowa River At Wapello
USGS 05465500
2320 cfs 11.25 ft -0.85

Peak Annual Discharge

Iowa River Maximum Total Discharge

Seasonal Comparison

Iowa River Year Over Year Discharge


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