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East Branch Pecatonica River in Wisconsin

River53.8 mi

Around here

Around East Branch Pecatonica River

5 mi

Public land: USGS PAD-US

About this river

East Branch Pecatonica River is a 53.8 mile river. Streamflow is measured at the USGS gauge East Branch Pecatonica River near Blanchardville, WI (site 05433000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1939 to 2026

East Branch Pecatonica River typically runs highest in April, at a median 178 cfs, and lowest in January, at 110 cfs. The highest flow on record for any single day is 7,560 cfs, in 1948.

Show the numbers
Typical flow by month at East Branch Pecatonica River near Blanchardville, WI, in cfs
MonthTypical (cfs)Usual range (cfs)
January11079 to 148
February11084 to 151
March174120 to 264
April178123 to 258
May156106 to 223
June14899 to 219
July13091 to 186
August11983 to 158
September11583 to 148
October11585 to 144
November11888 to 157
December11082 to 147

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 85 years of record. Statistics published by the US Geological Survey for East Branch Pecatonica River near Blanchardville, WI (site 05433000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

3 mapped launches sit in the mapped area of East Branch Pecatonica River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

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