About this river
Walnut Creek is a 13.1 mile river near Ohio Fly Fishing Guides in Ohio. Streamflow is measured at the USGS gauge Walnut Creek at Ashville OH (site 03229796). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2006 to 2026
Walnut Creek typically runs highest in March, at a median 319 cfs, and lowest in September, at 38 cfs. The highest flow on record for any single day is 8,450 cfs, in 2008.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 209 | 128 to 467 | |
| February | 216 | 143 to 493 | |
| March | 319 | 211 to 695 | |
| April | 288 | 170 to 502 | |
| May | 208 | 136 to 380 | |
| June | 129 | 72 to 282 | |
| July | 108 | 60 to 203 | |
| August | 60 | 40 to 90 | |
| September | 38 | 29 to 70 | |
| October | 47 | 31 to 84 | |
| November | 71 | 47 to 170 | |
| December | 142 | 84 to 324 |
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 20 years of record. Statistics published by the US Geological Survey for Walnut Creek at Ashville OH (site 03229796). 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 Walnut Creek'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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