Largest rivers in Alabama by average flow
Active USGS stream gauges in Alabama, ranked by average flow. The Alabama River at Claiborne L&D near Monroeville gauge leads with 27,095 cfs.
| Rank | Name | Average flow |
|---|---|---|
| 1 | Alabama River at Claiborne L&D near Monroeville | 27,095 cfs |
| 2 | Tombigbee River near Nanafalia, AL | 24,500 cfs |
| 3 | Alabama River near Montgomery, AL | 20,837 cfs |
| 4 | Tombigbee River at Demopolis L&D near Coatopa, AL | 20,596 cfs |
| 5 | Coosa River at Childersburg AL | 12,266 cfs |
| 6 | Chattahoochee River .36 Mi Ds Wfg Dam near Ft Gaines, GA | 8,408 cfs |
| 7 | Tombigbee River at Heflin L&D near Gainesville, AL | 8,242 cfs |
| 8 | Tombigbee River at Bevill L&D near Pickensville, AL | 6,902 cfs |
| 9 | Coosa River at State Line, Al/Ga | 5,874 cfs |
| 10 | Black Warrior River at Northport AL | 5,795 cfs |
| 11 | Tallapoosa River near Mont.-Mont. Water Works | 4,972 cfs |
| 12 | Mulberry Fork at Cordova AL | 2,772 cfs |
| 13 | Conecuh River at State Highway 41 near Brewton, AL | 2,685 cfs |
| 14 | Tallapoosa River near New Site, Al.(Horseshoe Bend) | 2,392 cfs |
| 15 | Cahaba River near Marion Junction AL | 2,031 cfs |
| 16 | Tallapoosa River at Wadley AL | 1,919 cfs |
| 17 | Choctawhatchee River near Bellwood AL | 1,288 cfs |
| 18 | Pea River near Samson AL | 1,258 cfs |
| 19 | Sipsey Fork at Sipsey, Ala | 1,125 cfs |
| 20 | Noxubee River near Geiger, AL | 1,115 cfs |
| 21 | Cahaba River at Centreville AL | 1,039 cfs |
| 22 | Conecuh River at River Falls, Alabama | 1,028 cfs |
| 23 | Conecuh River Bel Pt A Dam near River Falls, AL | 1,010 cfs |
| 24 | Locust Fork at Sayre, AL | 961 cfs |
| 25 | Cahaba River near West Blocton AL | 705 cfs |
| 26 | Choctawhatchee River near Newton, AL | 696 cfs |
| 27 | Sipsey River near Elrod, AL | 650 cfs |
| 28 | Escatawpa River near Wilmer, AL | 638 cfs |
| 29 | Sucarnoochee River at Livingston AL | 572 cfs |
| 30 | Choccolocco Creek at Jackson Shoal near Lincoln AL | 554 cfs |
How the Average flow figures spread in Alabama
- The ranking covers the 134 gauges in Alabama that have a recorded average flow in this dataset.
- The highest is Alabama River at Claiborne L&D near Monroeville at 27,095 cfs; the lowest is Tributary to Village Creek at 50th St in Birmingham at 4.5 cfs.
- The median average flow is 198 cfs.
- The gap between #1 Alabama River at Claiborne L&D near Monroeville and #2 Tombigbee River near Nanafalia, AL is 2,595 cfs.
- The page table lists the top 30.
Data: U.S. Geological Survey (USGS) (public domain, U.S. federal data).· Updated 2026-11-02 · Text generated from the data and checked against it.
Live values are provisional USGS data. Measurements only, not a safety assessment — for flood warnings see the National Weather Service.