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Saint Joseph River in Michigan

River38.6 mi

Around here

Around Saint Joseph River

Elkhart RV Resort23 mi20 mi

Source: USGS GNIS · Public land: USGS PAD-US

About this river

Saint Joseph River is a 38.6 mile river. Streamflow is measured at the USGS gauge ST. Joseph River at Niles, MI (site 04101500). The National Hydrography Dataset places it at stream order 9. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1931 to 2026

Saint Joseph River typically runs highest in April, at a median 5,175 cfs, and lowest in September, at 1,905 cfs. The highest flow on record for any single day is 24,800 cfs, in 2018.

Show the numbers
Typical flow by month at ST. Joseph River at Niles, MI, in cfs
MonthTypical (cfs)Usual range (cfs)
January3,3102,330 to 4,620
February3,5702,490 to 5,040
March5,0703,770 to 6,490
April5,1753,865 to 6,605
May4,2003,170 to 5,460
June3,1002,330 to 4,445
July2,3001,790 to 3,090
August2,0101,590 to 2,620
September1,9051,500 to 2,490
October2,0601,620 to 2,790
November2,4951,915 to 3,520
December2,8502,120 to 4,090

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 96 years of record. Statistics published by the US Geological Survey for ST. Joseph River at Niles, MI (site 04101500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

8 mapped launches sit in the mapped area of Saint Joseph River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

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