Black River in New York
Around here
Around Black River
Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
Black River is a 62.1 mile river. Streamflow is measured at the USGS gauge Black River near Boonville NY (site 04252500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1911 to 2026
Black River typically runs highest in April, at a median 1,555 cfs, and lowest in August, at 229 cfs. The highest flow on record for any single day is 11,100 cfs, in 1985.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 490 | 350 to 737 |
| February | 450 | 330 to 645 |
| March | 754 | 460 to 1,260 |
| April | 1,555 | 1,060 to 2,505 |
| May | 776 | 490 to 1,130 |
| June | 395 | 283 to 622 |
| July | 277 | 184 to 463 |
| August | 229 | 157 to 360 |
| September | 260 | 172 to 436 |
| October | 410 | 251 to 700 |
| November | 631 | 433 to 953 |
| December | 560 | 400 to 913 |
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 115 years of record. Statistics published by the US Geological Survey for Black River near Boonville NY (site 04252500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
8 mapped launches sit in the mapped area of Black River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Forestport ReservoirBlack River - Forestport ReservoirPublic
- Salmon River ReservoirSalmon River ReservoirPublic
- Salmon River ReservoirSalmon River ReservoirPublic
- Black RiverBlack RiverPublic
- Black RiverBlack RiverPublic
- Black RiverBlack RiverPublic
- Stillwater ReservoirBeaver River - Stillwater ReservoirPublic
- Black RiverBlack RiverPublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Black 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.





