About this river
Calumet River is a 6.4 mile river near Urban Kayaks in Illinois. Streamflow is measured at the USGS gauge Little Calumet River at South Holland, IL (site 05536290). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1948 to 2026
Calumet River typically runs highest in March, at a median 191 cfs, and lowest in September, at 48 cfs. The highest flow on record for any single day is 4,240 cfs, in 1957.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 85 | 55 to 157 | |
| February | 97 | 60 to 189 | |
| March | 191 | 115 to 367 | |
| April | 170 | 100 to 341 | |
| May | 126 | 79 to 247 | |
| June | 91 | 56 to 194 | |
| July | 67 | 45 to 125 | |
| August | 56 | 41 to 95 | |
| September | 48 | 36 to 88 | |
| October | 57 | 38 to 99 | |
| November | 72 | 46 to 146 | |
| December | 90 | 52 to 172 |
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 79 years of record. Statistics published by the US Geological Survey for Little Calumet River at South Holland, IL (site 05536290). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
3 mapped launches sit in the mapped area of Calumet River. Ramp data comes from the USGS national boat-ramp inventory.
- Sunset Bay MarinaLittle Calumet RiverRestricted
- Wolf LakeWolf LakePublic
- Wolf LakeWolf LakePublic
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