Chattahoochee River near Norcross, GA

Gwinnett County, Georgia · USGS gauge 02335000 · NWS NCRG1 · Chattahoochee River flood status · Georgia river levels

Nearby: river levels near Norcross

Is Chattahoochee River near Norcross, GA flooding right now?

Chattahoochee River near Norcross, GA measured 4.33 ft on 2026-09-22 21:15:00 UTC. That observation was 7.7 ft below its 12 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
4.33 ft
as of 61 min ago
Streamflow
2,680 cfs
data refreshed 12 min ago

Minor flooding here begins at 12 ft, with major flooding at 20 ft. The highest crest on record was 27.7 ft on Tue, Jan 8, 1946.

Streamflow outlook

NOAA National Water Model forecast, issued 10 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action10 ft5.7 ft below
Minor flood12 ft7.7 ft below
Moderate flood16 ft11.7 ft below
Major flood20 ft15.7 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
27.7 ft1946-01-08
27.1 ft1919-12-10
27.1 ft1919-12-13
23.4 ft1886-04-01
22.2 ft1936-04-07

Last 7 days

Past 7 days · 1.64–4.33 ft

Nearby gauges

GaugeDistanceCounty
Johns Creek at Buice Road, near Warsaw, GA1.4 miFulton County
Johns Creek at State Bridge Road, near Warsaw, GA2.1 miFulton County
Crooked Creek near Norcross, GA4.2 miGwinnett County
Tributary to Bromolow Crk at Pond Rd, near Norcross, GA4.3 miGwinnett County
Beaver Ruin Creek at Mitchell Rd, near Norcross, GA5.0 miGwinnett County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast