Cahaba River at Trussville, 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 02423130 sits on the Cahaba River and reads everything draining 20 square miles of the Cahaba basin. Its datum sits 673 feet above sea level NAVD88. Daily flow has been on record here since 1989, 37 years of it.

Where this gauge sits in the drainage

One gauged site sits upstream of here. The closest is Cahaba River near Trussville, Ala, reading 12 square miles. This gauge adds the 7.2 square miles that drain in between. Downstream the next reading comes from Cahaba River near Whites Chapel AL at 51 square miles, so what passes this gauge is about 39% of the water measured there. Water passing here goes on to Cahaba River near Mountain Brook AL, Cahaba River near Cahaba Heights AL and Cahaba River near Hoover, AL.

Normal flows here

The Cahaba River runs a median of 8.8 cfs at this gauge across 37 years of record. March is the fullest month at a median 35 cfs, and September the leanest at 1.3 cfs. The highest daily mean on record is 2,160 cfs in 2003, and the lowest is 0.0 cfs in 2011.

Medians from the USGS daily-statistics record, 1989 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The highest crest on record is 19 feet, in May 2003.

Flood categories and crest history from the NOAA National Water Prediction Service, gauge TRSA1. Stages are gage height, not depth. Not for navigation.

Dams near this gauge

The Army Corps' Logan Martin Dam is 19 miles from this gauge. The Corps publishes no release schedule for this project; its last observed release and elevations load below.

• Logan Martin Dam 19 miles