About this river
South Grand River is a 22.1 mile river near Catch 'em Guide Service in Missouri. Streamflow is measured at the USGS gauge South Grand River at Urich, MO (site 06921600). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1961 to 2026
South Grand River typically runs highest in April, at a median 221 cfs, and lowest in September, at 21 cfs. The highest flow on record for any single day is 27,200 cfs, in 1961.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 75 | 17 to 271 | |
| February | 86 | 29 to 279 | |
| March | 185 | 64 to 477 | |
| April | 221 | 95 to 515 | |
| May | 176 | 67 to 850 | |
| June | 106 | 41 to 444 | |
| July | 55 | 9.4 to 296 | |
| August | 22 | 4.4 to 90 | |
| September | 21 | 3.8 to 100 | |
| October | 25 | 0.3 to 118 | |
| November | 32 | 4.0 to 87 | |
| December | 47 | 12 to 158 |
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 21 years of record. Statistics published by the US Geological Survey for South Grand River at Urich, MO (site 06921600). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show South Grand 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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