About this river
Little Calumet River is a 2.6 mile river near Harbor Country Adventures in Indiana. Streamflow is measured at the USGS gauge Little Calumet River at Porter, IN (site 04094000). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1946 to 2026
Little Calumet River typically runs highest in March, at a median 89 cfs, and lowest in September, at 34 cfs. The highest flow on record for any single day is 4,110 cfs, in 2008.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 58 | 42 to 85 | |
| February | 62 | 48 to 91 | |
| March | 89 | 64 to 136 | |
| April | 80 | 60 to 120 | |
| May | 60 | 46 to 91 | |
| June | 47 | 37 to 68 | |
| July | 38 | 31 to 50 | |
| August | 34 | 28 to 44 | |
| September | 34 | 27 to 44 | |
| October | 42 | 33 to 58 | |
| November | 55 | 41 to 77 | |
| December | 60 | 43 to 87 |
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 80 years of record. Statistics published by the US Geological Survey for Little Calumet River at Porter, IN (site 04094000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Little Calumet 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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