Around here
Around Iroquois River
Public land: USGS PAD-US
About this river
Iroquois River is a 37.2 mile river. Streamflow is measured at the USGS gauge Iroquois River near Chebanse, IL (site 05526000). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1923 to 2026
Iroquois River typically runs highest in April, at a median 2,150 cfs, and lowest in September, at 110 cfs. The highest flow on record for any single day is 28,500 cfs, in 2018.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 1,020 | 356 to 2,360 |
| February | 1,290 | 500 to 2,740 |
| March | 1,980 | 1,020 to 4,010 |
| April | 2,150 | 1,020 to 4,190 |
| May | 1,670 | 853 to 3,360 |
| June | 1,115 | 607 to 2,760 |
| July | 460 | 227 to 1,230 |
| August | 175 | 103 to 385 |
| September | 110 | 63 to 262 |
| October | 137 | 79 to 486 |
| November | 390 | 162 to 1,070 |
| December | 658 | 222 to 1,780 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 103 years of record. Statistics published by the US Geological Survey for Iroquois River near Chebanse, IL (site 05526000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
One mapped launch sits in the mapped area of Iroquois River. Ramp data comes from the USGS national boat-ramp inventory.
- Aroma ParkIroquois RiverRestricted
Made to print
Put Iroquois River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Iroquois River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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