Big Creek below Hog Wallow Creek at Roswell, GA

Fulton County, Georgia · USGS gauge 02335757 · NWS RWSG1 · Big Creek flood status · Georgia river levels

Nearby: river levels near Norcross · river levels near Marietta

Is Big Creek below Hog Wallow Creek at Roswell, GA flooding right now?

Big Creek below Hog Wallow Creek at Roswell, GA measured 3.95 ft on 2026-09-22 21:15:00 UTC. That observation was 6.0 ft below its 10 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
3.95 ft
as of 75 min ago
Streamflow
363 cfs
data refreshed 14 min ago

Minor flooding here begins at 10 ft, with major flooding at 17 ft. The highest crest on record was 15.41 ft on Tue, Sep 22, 2009.

Streamflow outlook

NOAA National Water Model forecast, issued 11 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
Action9 ft5.0 ft below
Minor flood10 ft6.0 ft below
Moderate flood14 ft10.1 ft below
Major flood17 ft13.1 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
15.41 ft2009-09-22
12.5 ft2004-09-17
12.41 ft2024-09-27
11.38 ft2018-12-29
11.21 ft2020-10-11

Last 7 days

Past 7 days · 2.27–4.45 ft

Nearby gauges

GaugeDistanceCounty
Willeo Creek at Ga 120, near Roswell, GA2.5 miFulton County
Chattahoochee River above Roswell, GA3.1 miFulton County
Chattahoochee River below Morgan Falls Dam, GA3.8 miFulton County
Big Creek near Alpharetta, GA5.3 miFulton County
Crooked Creek near Norcross, GA6.2 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