Cahaba River near Hoover, 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 02423496 sits on the Cahaba River and reads everything draining 226 square miles of the Cahaba basin. Its datum sits 380 feet above sea level NAVD88. Daily flow has been on record here since 1988, 37 years of it.

Where this gauge sits in the drainage

Five gauged sites sit upstream of here. The closest is Cahaba River near Cahaba Heights AL, reading 201 square miles. This gauge adds the 25 square miles that drain in between. Downstream the next reading comes from Cahaba River near Acton AL at 230 square miles, so what passes this gauge is about 98% of the water measured there. Water passing here goes on to Cahaba River near Helena AL and Cahaba River near West Blocton AL.

Normal flows here

The Cahaba River runs a median of 64 cfs at this gauge across 37 years of record. March is the fullest month at a median 428 cfs, and October the leanest at 16 cfs. The highest daily mean on record is 15,100 cfs in 2003, and the lowest is 1.5 cfs in 2001.

Medians from the USGS daily-statistics record, 1988 to 2025. A month at 100% is running at its own long-term median.