About this river
Black River is a 9.3 mile river near Clyde River Recreation in Vermont. Streamflow is measured at the USGS gauge Black River at Coventry, VT (site 04296000). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1952 to 2026
Black River typically runs highest in April, at a median 532 cfs, and lowest in September, at 55 cfs. The highest flow on record for any single day is 4,570 cfs, in 2023.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 100 | 73 to 161 | |
| February | 87 | 66 to 130 | |
| March | 178 | 85 to 330 | |
| April | 532 | 316 to 878 | |
| May | 200 | 123 to 340 | |
| June | 105 | 68 to 181 | |
| July | 67 | 43 to 130 | |
| August | 57 | 36 to 98 | |
| September | 55 | 38 to 96 | |
| October | 83 | 55 to 185 | |
| November | 154 | 105 to 248 | |
| December | 147 | 105 to 230 |
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 75 years of record. Statistics published by the US Geological Survey for Black River at Coventry, VT (site 04296000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
3 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.
- Little HosmerLittle Hosmer PondPublic
- Daniels PondDaniels PondPublic
- Gordon (PeeWee) WingGreat Hosmer PondPublic
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.
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