Major Flood
24 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
23.5 ft
Minor Flood
20 ft
Action Stage
9 ft
What Floods at Each Level
29 ft
River Run Drive bridge begins to flood.
26 ft
The lower parking lot at the Cahaba River Walk Park is flooded.
25.1 ft
Flood of record set on 05/08/2003.
24 ft
Old Overton at River Terrace Dr floods. Neighborhood residents could become trapped as water rises.
23.5 ft
Overton Road at North River Road begins to flood.
21 ft
The parking lot at Cahaba River Park (Old Overton) floods.
20 ft
The Cahaba River Walk Park is flooded between 20 and 21 feet.
9 ft
Water overflows the right bank at the Cahaba River Walk Park.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
5 ft
Stage needed to inundate designated Gulf Sturgeon critical habitat below Jim Woodruff Lock and Dam.
3 ft
Temporary (not sustainable) operating level for of Scholz Power Plant
What happens as water levels drop, per the National Weather Service.
7-Day Water Level Chart
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About This Gauge
USGS Site
NWS LID
MTBA1
River
Cahaba River
County
Jefferson, AL
Coordinates
33.4818°N, 86.7128°W
Get Flood Alerts for Cahaba River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Cahaba River near Mountain Brook?
The Cahaba River near Mountain Brook gauge is maintained by USGS (site 02423380) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Cahaba River near Mountain Brook?
The NWS-defined flood stage for Cahaba River near Mountain Brook is 20 feet. Action stage begins at 9 feet. Moderate flooding starts at 23.5 feet, and major flooding at 24 feet.
How do I get alerts when Cahaba River rises?
Download StormCast free on Google Play, go to River Gauges, and add Cahaba River near Mountain Brook to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Cahaba River near Mountain Brook gauge located?
The gauge is located in Jefferson County, Alabama at coordinates 33.4818°N, 86.7128°W. USGS site number: 02423380. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Cahaba River
On This River
Downstream: Cahaba River near Cahaba Heights
More Resources
Source & Notes
Data provided by: 02423380