IROQUOIS RIVER

Last Updated: December 4, 2025

Get the latest River Levels, Streamflow, and Hydrology for in River flows across 4 streamgages of the Iroquois River


Summary

Total streamflow across the Iroquois River was last observed at 103 cfs, and is expected to yield approximately 205 acre-ft of water today; about 10% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 1,055 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 122 cfs. However, the streamgauge with the highest stage along the river is the Iroquois River Near Foresman with a gauge stage of 5.64 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.

River Details

Last Updated 2025-12-04
Discharge Volume 205 ACRE-FT
Streamflow 103.2 cfs
-119.5 cfs (-53.66%)
Percent of Normal 9.78%
Maximum 20,550.0 cfs
2023-03-06
Seasonal Avg cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Iroquois River At Rensselaer
USGS 05522500
22 cfs 3.6 ft 13.76
Iroquois River Near Foresman
USGS 05524500
39 cfs 5.64 ft -13.56
Iroquois River At Iroquois
USGS 05525000
43 cfs 4.18 ft 16.3
Iroquois River Near Chebanse
USGS 05526000
122 cfs 2.62 ft 7.96
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

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.