About this river
Mad River is a 25.7 mile river near Birch Bark Canoe Livery in Ohio. Streamflow is measured at the USGS gauge Mad River near Springfield OH (site 03269500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1974 to 2026
Mad River typically runs highest in April, at a median 641 cfs, and lowest in September, at 261 cfs. The highest flow on record for any single day is 10,600 cfs, in 2005.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 462 | 331 to 763 | |
| February | 519 | 365 to 852 | |
| March | 627 | 433 to 988 | |
| April | 641 | 465 to 886 | |
| May | 564 | 441 to 830 | |
| June | 481 | 351 to 714 | |
| July | 377 | 286 to 570 | |
| August | 279 | 229 to 372 | |
| September | 261 | 208 to 355 | |
| October | 292 | 242 to 382 | |
| November | 337 | 263 to 476 | |
| December | 377 | 276 to 631 |
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 52 years of record. Statistics published by the US Geological Survey for Mad River near Springfield OH (site 03269500). 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 Mad 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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