About this river
South Branch Pawtuxet River is a 7.9 mile stream near Rhode Island Paddle Sports in Rhode Island. Streamflow is measured at the USGS gauge South Branch Pawtuxet River at Washington, RI (site 01116000). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1941 to 2026
South Branch Pawtuxet River typically runs highest in March, at a median 200 cfs, and lowest in August, at 47 cfs. The highest flow on record for any single day is 4,830 cfs, in 2010.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 163 | 97 to 230 | |
| February | 164 | 105 to 235 | |
| March | 200 | 130 to 274 | |
| April | 192 | 127 to 267 | |
| May | 137 | 99 to 183 | |
| June | 93 | 59 to 127 | |
| July | 55 | 34 to 86 | |
| August | 47 | 29 to 73 | |
| September | 49 | 30 to 72 | |
| October | 64 | 39 to 94 | |
| November | 91 | 50 to 156 | |
| December | 148 | 88 to 231 |
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 86 years of record. Statistics published by the US Geological Survey for South Branch Pawtuxet River at Washington, RI (site 01116000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
One mapped launch sits in the mapped area of South Branch Pawtuxet River. Ramp data comes from the USGS national boat-ramp inventory.
- Tiogue LakeTiogue LakePublic
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show South Branch Pawtuxet 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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