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Chattahoochee River at Lake Sidney Lanier near Buford — water level right now

Forsyth County, Georgia · NWS gauge CMMG1
Loading the latest reading…
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current stage (ft)
 
1085
minor flood stage
 
1077.15
record crest
set 1964-04-14
–
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 · 1071
minor · 1085
Flood stageLevel (ft)What it means
Minor flood stage1085low-lying roads and fields near the river start to flood
Action stage1071water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
11077.151964-04-147.85 below
21076.21977-04-058.8 below
31076.162019-02-248.84 below
41075.991979-04-159.01 below
51075.751976-04-019.25 below
61075.191990-03-199.81 below
71074.571996-02-0310.43 below
81073.911963-05-0211.09 below
91073.792003-05-0711.21 below
101073.582004-09-1911.42 below
111073.581994-08-1811.42 below

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

Chattahoochee River at Buford Dam near Buford 0 mi away · loading… Richland Creek at Suwanee Dam Road near Buford 2 mi away · loading… Level Creek at Suwanee Dam Road near Suwanee 5 mi away · loading… Dick Creek at Old Atlanta Road near Suwanee 7 mi away · loading… Big Creek at GA 9 near Cumming 8 mi away · loading… Chattahoochee River at 0.76 mile upstream McGinnis Ferry near Su 8 mi away · loading…

Gauge details

NWS gauge IDCMMG1
USGS site02334400
CountyForsyth
StateGeorgia
NWS forecast officePeachtree City
River forecast centerSoutheast River Forecast Center
Coordinates34.163, -84.075
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 Chattahoochee River at Lake Sidney Lanier near Buford

Is Chattahoochee River at Lake Sidney Lanier near Buford 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 1085 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Chattahoochee River at Lake Sidney Lanier near Buford?

minor flood stage 1085 ft, action stage 1071 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Chattahoochee River at Lake Sidney Lanier near Buford?

The highest crest on file at this gauge is 1077.15 ft, reached on 1964-04-14 — that is -7.85 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.