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Oswegatchie River in New York

River38.1 mi

Around here

Around Oswegatchie River

10 mi

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

About this river

Oswegatchie River is a 38.1 mile river. Streamflow is measured at the USGS gauge Oswegatchie River near Oswegatchie NY (site 04262000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1925 to 2026

Oswegatchie River typically runs highest in April, at a median 898 cfs, and lowest in September, at 267 cfs. The highest flow on record for any single day is 4,190 cfs, in 2014.

Show the numbers
Typical flow by month at Oswegatchie River near Oswegatchie NY, in cfs
MonthTypical (cfs)Usual range (cfs)
January552390 to 760
February496337 to 642
March636429 to 915
April898587 to 1,385
May570360 to 852
June358251 to 516
July298213 to 417
August272197 to 378
September267197 to 375
October358251 to 510
November498342 to 740
December548380 to 752

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 83 years of record. Statistics published by the US Geological Survey for Oswegatchie River near Oswegatchie NY (site 04262000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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