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South River at Flakes Mill Road near Snapfinger — water level right now

De Kalb County, Georgia · NWS gauge SFMG1
Loading the latest reading…
–
current stage (ft)
 
13
minor flood stage
 
21.42
record crest
set 2024-09-27
–
flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 11
minor · 13
moderate · 19
major · 25
Flood stageLevel (ft)What it means
Major flood stage25extensive inundation and significant evacuations — a serious event
Moderate flood stage19some buildings and roads inundated; evacuations possible
Minor flood stage13low-lying roads and fields near the river start to flood
Action stage11water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
121.422024-09-27+8.42 above
221.31961-02-25+8.3 above
319.891976-03-16+6.89 above
418.251990-03-17+5.25 above
518.232015-12-25+5.23 above
617.171979-04-13+4.17 above
716.632020-10-11+3.63 above
816.352019-04-19+3.35 above
915.922024-03-06+2.92 above
1015.581964-04-06+2.58 above
1114.871966-02-13+1.87 above
1214.721983-03-06+1.72 above

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Shoal Creek at Columbia Drive near Atlanta 2 mi away · loading… Cobbs Creek at Rainbow Drive near Decatur 3 mi away · loading… Snapfinger Creek at Thompson Mill Road near Lithonia 3 mi away · loading… Pole Bridge Creek at Evans Mill Road near Lithonia 4 mi away · loading… Doolittle Creek at Flat Shoals Rd near Decatur 5 mi away · loading… South River at Bouldercrest Road at Atlanta 5 mi away · loading…

Gauge details

NWS gauge IDSFMG1
USGS site02203900
CountyDe Kalb
StateGeorgia
NWS forecast officePeachtree City
River forecast centerSoutheast River Forecast Center
Coordinates33.666, -84.225
Time zoneEST5EDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about South River at Flakes Mill Road near Snapfinger

Is South River at Flakes Mill Road near Snapfinger flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 13 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for South River at Flakes Mill Road near Snapfinger?

major flood stage 25 ft, moderate flood stage 19 ft, minor flood stage 13 ft, action stage 11 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at South River at Flakes Mill Road near Snapfinger?

The highest crest on file at this gauge is 21.42 ft, reached on 2024-09-27 — that is 8.42 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Peachtree City and local emergency management.