About this river
South River is a 9.5 mile river near Murphs Surf Paddle Shack in Georgia. Streamflow is measured at the USGS gauge South River at Flakes Mill Road near Atlanta, GA (site 02203900). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1979 to 2026
South River typically runs highest in February, at a median 121 cfs, and lowest in October, at 45 cfs. The highest flow on record for any single day is 9,380 cfs, in 2024.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 106 | 70 to 174 | |
| February | 121 | 78 to 192 | |
| March | 113 | 78 to 190 | |
| April | 103 | 75 to 168 | |
| May | 82 | 61 to 124 | |
| June | 74 | 50 to 136 | |
| July | 81 | 46 to 140 | |
| August | 69 | 43 to 121 | |
| September | 47 | 31 to 91 | |
| October | 45 | 31 to 87 | |
| November | 59 | 38 to 98 | |
| December | 81 | 51 to 134 |
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 23 years of record. Statistics published by the US Geological Survey for South River at Flakes Mill Road near Atlanta, GA (site 02203900). 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 South 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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