Chattahoochee River at GA 100, at Franklin, GA 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 02338500 sits on the Chattahoochee River and reads everything draining 2,680 square miles of the Middle Chattahoochee-Lake Harding basin. Its datum sits 665 feet above sea level NAVD88. Daily flow has been on record here since 1928, 28 years of it.

Where this gauge sits in the drainage

Three gauged sites sit upstream of here. The closest is Chattahoochee River near Whitesburg, GA, reading 2,430 square miles. This gauge adds the 250 square miles that drain in between. Downstream the next reading comes from Chattahoochee River near Lagrange, GA at 3,010 square miles, so what passes this gauge is about 89% of the water measured there. Water passing here goes on to Chattahoochee River below West Point Dam, GA and Chattahoochee River at West Point, GA.

Normal flows here

The Chattahoochee River runs a median of 2,815 cfs at this gauge across 28 years of record. March is the fullest month at a median 4,790 cfs, and October the leanest at 1,860 cfs. The highest daily mean on record is 70,500 cfs in 2009, and the lowest is 457 cfs in 1932.

Medians from the USGS daily-statistics record, 1928 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Chattahoochee River reaches flood stage at this gauge at 23 feet. NWS starts watching it at 19 feet. The highest crest on record is 30.6 feet, in September 2009.

Flood categories and crest history from the NOAA National Water Prediction Service, gauge FRNG1. Stages are gage height, not depth. Not for navigation.