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Chattahoochee River 0.76 Mi US Mcginnis Fy Suwanee GA Water Level Today

Georgia · USGS gauge 02334653 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02334653 sits on Chattahoochee River 0.76 Mi US Mcginnis Fy Suwanee GA and reads everything draining 1,090 square miles of the Upper Chattahoochee basin. Its datum sits 886 feet above sea level NAVD88. Daily flow has been on record here since 2010, 16 years of it.

Where this gauge sits in the drainage

Four gauged sites sit upstream of here. The closest is Chattahoochee River near Buford, GA, reading 1,060 square miles. This gauge adds the 30 square miles that drain in between. Downstream the next reading comes from Chattahoochee River near Norcross, GA at 1,170 square miles, so what passes this gauge is about 93% of the water measured there. Water passing here goes on to Chattahoochee River above Roswell, GA, Chattahoochee River below Morgan Falls Dam, GA and Chatt River at Powers Fy and I-285 near Atlanta, GA.

Normal flows here

Chattahoochee River 0.76 Mi US Mcginnis Fy Suwanee GA runs a median of 1,500 cfs at this gauge across 16 years of record. March is the fullest month at a median 2,270 cfs, and January the leanest at 1,210 cfs. The highest daily mean on record is 9,310 cfs in 2019, and the lowest is 521 cfs in 2012.

Median flow by month
MonthMedian flowShare of annual median
Jan1,210 cfs81%
Feb1,660 cfs111%
Mar2,270 cfs151%
Apr2,240 cfs149%
May2,240 cfs149%
Jun1,620 cfs108%
Jul1,370 cfs91%
Aug1,460 cfs97%
Sep1,345 cfs90%
Oct1,440 cfs96%
Nov1,500 cfs100%
Dec1,250 cfs83%

Medians from the USGS daily-statistics record, 2010 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

Chattahoochee River 0.76 Mi US Mcginnis Fy Suwanee GA reaches flood stage at this gauge at 22 feet. NWS starts watching it at 20 feet.

NWS flood categories
CategoryGage height
Action20 ft
Minor flooding22 ft
Moderate flooding33 ft
Major flooding39 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge WSWG1. Stages are gage height, not depth. Not for navigation.

Dams near this gauge

The Army Corps' Buford Dam sits 7 miles from this gauge and its releases set what this gauge reads. The Corps publishes no release schedule for this project; its last observed release and elevations load below.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02334653. Percentile context computed against the gauge's period of record. Not for navigation.

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