About this river
West Branch Ompompanoosuc River is a 5.9 mile river near TBC Guides in New Hampshire. Streamflow is measured at the USGS gauge Ompompanoosuc River at Union Village, VT (site 01141500). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1940 to 2026
West Branch Ompompanoosuc River typically runs highest in April, at a median 552 cfs, and lowest in August, at 33 cfs. The highest flow on record for any single day is 3,320 cfs, in 1947.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 95 | 70 to 145 | |
| February | 90 | 63 to 155 | |
| March | 165 | 97 to 358 | |
| April | 552 | 344 to 861 | |
| May | 295 | 185 to 421 | |
| June | 116 | 60 to 180 | |
| July | 49 | 29 to 88 | |
| August | 33 | 20 to 58 | |
| September | 35 | 20 to 68 | |
| October | 51 | 29 to 112 | |
| November | 119 | 57 to 214 | |
| December | 125 | 80 to 190 |
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 51 years of record. Statistics published by the US Geological Survey for Ompompanoosuc River at Union Village, VT (site 01141500). 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 West Branch Ompompanoosuc 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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