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East Arm Little Calumet River in Indiana

River22.5 mi
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Around here

Around East Arm Little Calumet River

Michigan City Campground1.5 miSand Creek Campground5.7 mi5 mi

Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US

About this river

East Arm Little Calumet River is a 22.5 mile river. Streamflow is measured at the USGS gauge Little Calumet River at Porter, IN (site 04094000). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1946 to 2026

East Arm 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.

Show the numbers
Typical flow by month at Little Calumet River at Porter, IN, in cfs
MonthTypical (cfs)Usual range (cfs)
January5842 to 84
February6248 to 91
March8964 to 137
April8161 to 119
May6046 to 91
June4737 to 68
July3831 to 50
August3428 to 44
September3427 to 44
October4233 to 58
November5541 to 77
December6043 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 81 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.

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