About this river
Saco River is a 26.8 mile river near The Swift River Ghillie in New Hampshire. Streamflow is measured at the USGS gauge Saco River at River Street, at Bartlett, NH (site 010642505). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2009 to 2026
Saco River typically runs highest in April, at a median 550 cfs, and lowest in September, at 54 cfs. The highest flow on record for any single day is 9,810 cfs, in 2024.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 133 | 102 to 201 | |
| February | 96 | 60 to 144 | |
| March | 212 | 101 to 344 | |
| April | 550 | 375 to 878 | |
| May | 480 | 325 to 690 | |
| June | 167 | 104 to 261 | |
| July | 96 | 66 to 185 | |
| August | 74 | 47 to 114 | |
| September | 54 | 34 to 110 | |
| October | 113 | 66 to 291 | |
| November | 159 | 123 to 259 | |
| December | 196 | 132 to 354 |
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 17 years of record. Statistics published by the US Geological Survey for Saco River at River Street, at Bartlett, NH (site 010642505). 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 Saco River. Ramp data comes from the USGS national boat-ramp inventory.
- Conway Lake BeachConway LakePublic
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Saco 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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