About this river
Saint Joseph River is a 37.2 mile river near SUP 101 Lakes in Indiana. Streamflow is measured at the USGS gauge St Joseph River near Newville IN (site 04178000). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1947 to 2025
Saint Joseph River typically runs highest in March, at a median 872 cfs, and lowest in September, at 66 cfs. The highest flow on record for any single day is 9,790 cfs, in 1996.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 323 | 149 to 845 | |
| February | 372 | 182 to 1,000 | |
| March | 872 | 500 to 1,610 | |
| April | 692 | 403 to 1,420 | |
| May | 409 | 258 to 824 | |
| June | 211 | 122 to 458 | |
| July | 126 | 75 to 234 | |
| August | 81 | 53 to 146 | |
| September | 66 | 41 to 128 | |
| October | 76 | 50 to 179 | |
| November | 161 | 81 to 418 | |
| December | 289 | 125 to 730 |
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 St Joseph River near Newville IN (site 04178000). 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 Saint Joseph 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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