About this river
Willimantic River is a 7.5 mile river near Metacomet Tours in Connecticut. Streamflow is measured at the USGS gauge Willimantic River near Coventry, CT (site 01119500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1932 to 2026
Willimantic River typically runs highest in March, at a median 339 cfs, and lowest in September, at 45 cfs. The highest flow on record for any single day is 12,900 cfs, in 1938.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 195 | 128 to 308 | |
| February | 209 | 135 to 328 | |
| March | 339 | 237 to 486 | |
| April | 322 | 228 to 472 | |
| May | 219 | 158 to 320 | |
| June | 120 | 78 to 197 | |
| July | 62 | 37 to 113 | |
| August | 49 | 28 to 87 | |
| September | 45 | 28 to 87 | |
| October | 66 | 38 to 131 | |
| November | 123 | 73 to 239 | |
| December | 187 | 105 to 313 |
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 95 years of record. Statistics published by the US Geological Survey for Willimantic River near Coventry, CT (site 01119500). 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 Willimantic 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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