About this river
Cahaba River is a 37.9 mile river near Flip Side Watersports in Alabama. Streamflow is measured at the USGS gauge Cahaba River near Cahaba Heights AL (site 02423425). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1975 to 2026
Cahaba River typically runs highest in March, at a median 390 cfs, and lowest in October, at 9.9 cfs. The highest flow on record for any single day is 19,300 cfs, in 1979.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 229 | 98 to 510 | |
| February | 307 | 157 to 587 | |
| March | 390 | 220 to 689 | |
| April | 277 | 124 to 553 | |
| May | 88 | 21 to 250 | |
| June | 52 | 10 to 165 | |
| July | 23 | 7.5 to 123 | |
| August | 15 | 7.0 to 54 | |
| September | 12 | 5.7 to 40 | |
| October | 9.9 | 5.0 to 31 | |
| November | 20 | 6.4 to 91 | |
| December | 93 | 19 to 314 |
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 38 years of record. Statistics published by the US Geological Survey for Cahaba River near Cahaba Heights AL (site 02423425). 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 Cahaba 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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