About this river
Chattahoochee River is a 19.7 mile river near Bald Ridge Marina in Georgia. Streamflow is measured at the USGS gauge Chattahoochee River near Norcross, GA (site 02335000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1957 to 2026
Chattahoochee River typically runs highest in August, at a median 1,880 cfs, and lowest in December, at 1,360 cfs. The highest flow on record for any single day is 11,200 cfs, in 1964.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 1,410 | 1,000 to 2,710 | |
| February | 1,440 | 927 to 2,960 | |
| March | 1,740 | 961 to 3,650 | |
| April | 1,815 | 1,020 to 3,690 | |
| May | 1,860 | 1,040 to 3,270 | |
| June | 1,655 | 1,100 to 2,620 | |
| July | 1,660 | 1,170 to 2,590 | |
| August | 1,880 | 1,260 to 2,870 | |
| September | 1,660 | 1,170 to 2,610 | |
| October | 1,490 | 1,090 to 2,320 | |
| November | 1,470 | 1,090 to 2,275 | |
| December | 1,360 | 1,020 to 2,050 |
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 70 years of record. Statistics published by the US Geological Survey for Chattahoochee River near Norcross, GA (site 02335000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
5 mapped launches sit in the mapped area of Chattahoochee River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Chattahoochee 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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