About this river
Swift River is a 10.5 mile river near White's Landing Historic Quaboag in Massachusetts. Streamflow is measured at the USGS gauge Swift River at West Ware, MA (site 01175500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1940 to 2026
Swift River typically runs highest in September, at a median 93 cfs, and lowest in January, at 45 cfs. The highest flow on record for any single day is 3,040 cfs, in 1984.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 45 | 36 to 91 | |
| February | 45 | 37 to 93 | |
| March | 48 | 38 to 103 | |
| April | 51 | 40 to 231 | |
| May | 56 | 40 to 250 | |
| June | 56 | 40 to 127 | |
| July | 55 | 40 to 110 | |
| August | 86 | 43 to 112 | |
| September | 93 | 43 to 117 | |
| October | 50 | 39 to 110 | |
| November | 47 | 38 to 97 | |
| December | 45 | 37 to 83 |
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 87 years of record. Statistics published by the US Geological Survey for Swift River at West Ware, MA (site 01175500). 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 Swift 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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