Unadilla River in New York
Around here
Around Unadilla River
Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
Unadilla River is a 62.0 mile river. Streamflow is measured at the USGS gauge Unadilla River at Rockdale NY (site 01502500). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1930 to 2026
Unadilla River typically runs highest in April, at a median 1,545 cfs, and lowest in September, at 137 cfs. The highest flow on record for any single day is 19,700 cfs, in 2011.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 620 | 403 to 1,180 |
| February | 600 | 375 to 1,040 |
| March | 1,370 | 779 to 2,210 |
| April | 1,545 | 1,050 to 2,325 |
| May | 730 | 461 to 1,180 |
| June | 330 | 213 to 652 |
| July | 207 | 127 to 349 |
| August | 144 | 91 to 285 |
| September | 137 | 88 to 265 |
| October | 198 | 104 to 500 |
| November | 566 | 308 to 1,065 |
| December | 773 | 480 to 1,300 |
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 88 years of record. Statistics published by the US Geological Survey for Unadilla River at Rockdale NY (site 01502500). 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 Unadilla River. Ramp data comes from the USGS national boat-ramp inventory.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Unadilla River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.





