Iroquois River

Streamflow Hydrology Weather


Iroquois River Levels

May 4 2024

22,961 ACRE-FT

Discharge Volume Today
-1774.0 cfs (-13.29%) since yesterday
174.34% of Normal 4 Streamgauges

Total streamflow across the Iroquois River was last observed at 11,576 cfs, and is expected to yield approximately 22,961 acre-ft of water today; about 174% of normal. River levels are high. Average streamflow for this time of year is 6,640 cfs, with recent peaks last observed on 2023-03-06 when daily discharge volume was observed at 20,550 cfs.

Maximum discharge along the river is currently at the Iroquois River Near Chebanse reporting a streamflow rate of 7,660 cfs. However, the streamgauge with the highest stage along the river is the Iroquois River At Iroquois with a gauge stage of 15.58 ft. This river is monitored from 4 different streamgauging stations along the Iroquois River, the highest being situated at an altitude of 656 ft, the Iroquois River At Rensselaer.

Last Updated 2024-05-03
Streamflow 11,576.0 cfs
Percent of Normal 174.34%
Maximum 20,550.0 cfs
2023-03-06

About the iroquois river


The Iroquois River is a 103-mile-long river that runs through northeastern Illinois and northwestern Indiana, eventually flowing into the Kankakee River. The river was named after the Iroquois people who once inhabited the region. The river has been historically important for transportation and agriculture, with several small towns and farms located along its banks. The river is also known for its hydrological properties, with several reservoirs and dams located along its course, including the Langham Creek Dam and the Sugar Creek Dam. These dams provide important flood control measures and irrigation for local agricultural operations. The river is also a popular spot for recreational activities such as fishing and boating, with several public parks and boat launches available for visitors.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Iroquois River At Rensselaer
USGS 05522500
626 cfs 8.26 ft -23.66
Iroquois River Near Foresman
USGS 05524500
1110 cfs 15.35 ft -13.28
Iroquois River At Iroquois
USGS 05525000
2180 cfs 15.58 ft -10.66
Iroquois River Near Chebanse
USGS 05526000
7660 cfs 10.54 ft -13.05

Peak Annual Discharge

Iroquois River Maximum Total Discharge

Seasonal Comparison

Iroquois River Year Over Year Discharge


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