About this river
West Branch Black River is a 14.8 mile river near West River Paddling Company in Ohio. Streamflow is measured at the USGS gauge Black River at Elyria OH (site 04200500). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1945 to 2026
West Branch Black River typically runs highest in March, at a median 368 cfs, and lowest in September, at 18 cfs. The highest flow on record for any single day is 24,900 cfs, in 1959.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 157 | 65 to 429 | |
| February | 199 | 100 to 544 | |
| March | 368 | 193 to 889 | |
| April | 253 | 137 to 621 | |
| May | 134 | 61 to 341 | |
| June | 62 | 31 to 153 | |
| July | 32 | 16 to 82 | |
| August | 21 | 11 to 51 | |
| September | 18 | 9.0 to 44 | |
| October | 21 | 10 to 53 | |
| November | 59 | 24 to 181 | |
| December | 144 | 49 to 415 |
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 81 years of record. Statistics published by the US Geological Survey for Black River at Elyria OH (site 04200500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
2 mapped launches sit in the mapped area of West Branch Black River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Wellington ReservoirPublic
- Wellington Up. ReservoirPublic
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