About this river
Cocheco River is a 9.6 mile stream near SUPNH Paddleboard & Kayak rentals in New Hampshire. Streamflow is measured at the USGS gauge Cocheco River near Rochester, NH (site 01072800). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1995 to 2026
Cocheco River typically runs highest in April, at a median 239 cfs, and lowest in September, at 17 cfs. The highest flow on record for any single day is 4,940 cfs, in 2007.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 116 | 78 to 189 | |
| February | 94 | 68 to 157 | |
| March | 204 | 121 to 328 | |
| April | 239 | 145 to 410 | |
| May | 120 | 76 to 190 | |
| June | 61 | 37 to 109 | |
| July | 28 | 16 to 69 | |
| August | 22 | 9.2 to 51 | |
| September | 17 | 9.1 to 43 | |
| October | 35 | 13 to 94 | |
| November | 98 | 49 to 163 | |
| December | 127 | 74 to 237 |
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 31 years of record. Statistics published by the US Geological Survey for Cocheco River near Rochester, NH (site 01072800). 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 Cocheco River. Ramp data comes from the USGS national boat-ramp inventory.
- Baxter LakeBaxter LakePublic
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Cocheco 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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