Around here
Around Ponaganset River
Data Source: Recreation.gov · Source: USGS GNIS · Source: National Park Service. No claim to original U.S. Government works. · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)
About this river
Ponaganset River is a 5.0 mile river near Explorer River Tours in Rhode Island. Streamflow is measured at the USGS gauge Ponaganset River at South Foster, RI (site 01115187). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1994 to 2026
Ponaganset River typically runs highest in March, at a median 39 cfs, and lowest in September, at 1.6 cfs. The highest flow on record for any single day is 946 cfs, in 2010.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 32 | 21 to 51 |
| February | 30 | 20 to 50 |
| March | 39 | 26 to 65 |
| April | 38 | 24 to 60 |
| May | 22 | 14 to 36 |
| June | 9.6 | 4.8 to 20 |
| July | 2.5 | 1.1 to 8.5 |
| August | 1.8 | 0.6 to 5.2 |
| September | 1.6 | 0.5 to 5.8 |
| October | 5.0 | 1.5 to 14 |
| November | 15 | 9.1 to 30 |
| December | 27 | 17 to 49 |
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 32 years of record. Statistics published by the US Geological Survey for Ponaganset River at South Foster, RI (site 01115187). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Ponaganset River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Ponaganset 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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