About this river
Meramec River is a 5.4 mile river near Wolf head outfitters in Missouri. Streamflow is measured at the USGS gauge Meramec River near Sullivan, MO (site 07014500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1922 to 2026
Meramec River typically runs highest in April, at a median 1,435 cfs, and lowest in September, at 363 cfs. The highest flow on record for any single day is 83,000 cfs, in 2017.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 703 | 426 to 1,180 | |
| February | 828 | 494 to 1,450 | |
| March | 1,310 | 733 to 2,360 | |
| April | 1,435 | 925 to 2,455 | |
| May | 1,250 | 760 to 2,140 | |
| June | 776 | 482 to 1,250 | |
| July | 472 | 332 to 728 | |
| August | 388 | 276 to 561 | |
| September | 363 | 273 to 496 | |
| October | 364 | 302 to 497 | |
| November | 468 | 345 to 827 | |
| December | 599 | 392 to 1,130 |
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 95 years of record. Statistics published by the US Geological Survey for Meramec River near Sullivan, MO (site 07014500). 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 Meramec 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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