About this river
Big Creek is a 13.8 mile river near Murphs Surf Paddle Shack in Georgia. Streamflow is measured at the USGS gauge Big Creek below Hog Wallow Creek at Roswell, GA (site 02335757). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2004 to 2026
Big Creek typically runs highest in February, at a median 146 cfs, and lowest in September, at 40 cfs. The highest flow on record for any single day is 5,960 cfs, in 2009.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 126 | 85 to 231 | |
| February | 146 | 99 to 275 | |
| March | 144 | 113 to 241 | |
| April | 124 | 86 to 184 | |
| May | 88 | 62 to 140 | |
| June | 73 | 42 to 122 | |
| July | 67 | 37 to 145 | |
| August | 56 | 27 to 115 | |
| September | 40 | 21 to 78 | |
| October | 44 | 25 to 85 | |
| November | 63 | 39 to 117 | |
| December | 103 | 63 to 221 |
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 22 years of record. Statistics published by the US Geological Survey for Big Creek below Hog Wallow Creek at Roswell, GA (site 02335757). 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 Big 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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