About this river
East Branch Pecatonica River is a 5.8 mile river near Wisconsin Canoe Company in Wisconsin. 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.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 110 | 79 to 148 | |
| February | 110 | 84 to 151 | |
| March | 174 | 120 to 264 | |
| April | 178 | 123 to 258 | |
| May | 156 | 106 to 223 | |
| June | 148 | 99 to 219 | |
| July | 130 | 91 to 186 | |
| August | 119 | 83 to 158 | |
| September | 115 | 83 to 148 | |
| October | 115 | 85 to 144 | |
| November | 118 | 88 to 157 | |
| December | 110 | 82 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.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show East Branch Pecatonica 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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