Otter River in Massachusetts
Around here
Around Otter River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Otter River is an 11.9 mile stream. Streamflow is measured at the USGS gauge Otter River at Otter River, MA (site 01163200). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1965 to 2026
Otter River typically runs highest in April, at a median 106 cfs, and lowest in September, at 15 cfs. The highest flow on record for any single day is 883 cfs, in 1979.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 51 | 32 to 85 |
| February | 49 | 34 to 77 |
| March | 82 | 55 to 143 |
| April | 106 | 64 to 161 |
| May | 61 | 43 to 92 |
| June | 32 | 20 to 62 |
| July | 19 | 12 to 34 |
| August | 17 | 9.4 to 31 |
| September | 15 | 8.3 to 25 |
| October | 26 | 16 to 50 |
| November | 45 | 26 to 79 |
| December | 58 | 34 to 94 |
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 62 years of record. Statistics published by the US Geological Survey for Otter River at Otter River, MA (site 01163200). 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 Otter 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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