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Alcovy River at New Hope Road near Grayson — water level right now

Gwinnett County, Georgia · NWS gauge ALCG1
Loading the latest reading…
–
current stage (ft)
 
9
minor flood stage
 
14.93
record crest
set 2003-06-17
–
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 · 7
minor · 9
moderate · 11
major · 16
Flood stageLevel (ft)What it means
Major flood stage16extensive inundation and significant evacuations — a serious event
Moderate flood stage11some buildings and roads inundated; evacuations possible
Minor flood stage9low-lying roads and fields near the river start to flood
Action stage7water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
114.932003-06-17+5.93 above
213.852009-09-22+4.85 above
313.642019-04-19+4.64 above
412.742015-08-23+3.74 above
512.612024-01-09+3.61 above
612.482020-09-17+3.48 above
712.142004-09-17+3.14 above
812.092010-01-25+3.09 above
912.022009-10-12+3.02 above
1011.982005-03-28+2.98 above
1111.972024-09-27+2.97 above
1211.792025-02-13+2.79 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 Paper Mill Rd near Lawrenceville 4 mi away · loading… Alcovy River near Lawrenceville 5 mi away · loading… Apalachee River near Fence Road near Dacula 6 mi away · loading… Brushy Fork Creek at Beaver Road near Loganville 7 mi away · loading… Big Haynes Creek at Lenora Road near Snellville 9 mi away · loading… Pew Creek at Patterson Road near Lawrenceville 9 mi away · loading…

Gauge details

NWS gauge IDALCG1
USGS site02208150
CountyGwinnett
StateGeorgia
NWS forecast officePeachtree City
River forecast centerSoutheast River Forecast Center
Coordinates33.917, -83.888
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 Alcovy River at New Hope Road near Grayson

Is Alcovy River at New Hope Road near Grayson 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 9 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Alcovy River at New Hope Road near Grayson?

major flood stage 16 ft, moderate flood stage 11 ft, minor flood stage 9 ft, action stage 7 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Alcovy River at New Hope Road near Grayson?

The highest crest on file at this gauge is 14.93 ft, reached on 2003-06-17 — that is 5.93 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.