Cahaba River near Mountain Brook AL

Jefferson County, Alabama · USGS gauge 02423380 · NWS MTBA1 · Cahaba River flood status · Alabama river levels

Nearby: river levels near Birmingham

Is Cahaba River near Mountain Brook AL flooding right now?

Cahaba River near Mountain Brook AL measured 0.65 ft on 2026-09-22 21:15:00 UTC. That observation was 19.4 ft below its 20 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
0.65 ft
as of 32 min ago
Streamflow
37 cfs
data refreshed 16 min ago

Minor flooding here begins at 20 ft, with major flooding at 24 ft.

Streamflow outlook

NOAA National Water Model forecast, issued 10 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action9 ft8.3 ft below
Minor flood20 ft19.4 ft below
Moderate flood23.5 ft22.9 ft below
Major flood24 ft23.4 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Nearby gauges

GaugeDistanceCounty
Shades Creek at Elder St near Springdale AL2.7 miJefferson County
Little Cahaba River at Cah Bea Rd near Cahaba Hts AL3.0 miShelby County
Cahaba River near Cahaba Heights AL4.8 miShelby County
Tributary TO VILLAGE CREEK AT 50th ST IN BIRMINGHAM5.4 miJefferson County
Little Cahaba River near Jefferson Park, Al.5.8 miJefferson County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast