Cahaba River near Acton AL Water Level Today

NWS river forecast

Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.

Last 30 days

About this gauge

USGS gauge 02423500 sits on the Cahaba River and reads everything draining 230 square miles of the Cahaba basin. Its datum sits 375 feet above sea level NAVD88. Daily flow has been on record here since 1939, 57 years of it.

Where this gauge sits in the drainage

Six gauged sites sit upstream of here. The closest is Cahaba River near Hoover, AL, reading 226 square miles. Downstream the next reading comes from Cahaba River near Helena AL at 335 square miles, so what passes this gauge is about 69% of the water measured there. Water passing here goes on to Cahaba River near West Blocton AL.

Normal flows here

The Cahaba River runs a median of 66 cfs at this gauge across 57 years of record. February is the fullest month at a median 481 cfs, and October the leanest at 23 cfs. The highest daily mean on record is 18,900 cfs in 1943, and the lowest is 0.0 cfs in 1956.

Medians from the USGS daily-statistics record, 1939 to 2025. A month at 100% is running at its own long-term median.