About this river
East Branch Rocky River is a 2.5 mile stream near 41° North Coastal Adventures in Ohio. Streamflow is measured at the USGS gauge Rocky River near Berea OH (site 04201500). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1924 to 2026
East Branch Rocky River typically runs highest in March, at a median 325 cfs, and lowest in September, at 33 cfs. The highest flow on record for any single day is 14,900 cfs, in 2014.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 161 | 80 to 345 | |
| February | 197 | 99 to 463 | |
| March | 325 | 179 to 655 | |
| April | 241 | 137 to 501 | |
| May | 146 | 73 to 291 | |
| June | 61 | 30 to 159 | |
| July | 41 | 20 to 98 | |
| August | 33 | 14 to 70 | |
| September | 33 | 12 to 71 | |
| October | 40 | 16 to 85 | |
| November | 88 | 36 to 199 | |
| December | 150 | 67 to 340 |
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 94 years of record. Statistics published by the US Geological Survey for Rocky River near Berea OH (site 04201500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show East Branch Rocky 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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