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Potomac River at Alexandria — water level right now

City of Alexandria, Virginia · NWS gauge AXTV2
Loading the latest reading…
–
current stage (ft)
 
3.3
minor flood stage
 
8.66
record crest
set 2003-09-19
–
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 · 2.5
minor · 3.3
moderate · 4.2
major · 6.6
Flood stageLevel (ft)What it means
Major flood stage6.6extensive inundation and significant evacuations — a serious event
Moderate flood stage4.2some buildings and roads inundated; evacuations possible
Minor flood stage3.3low-lying roads and fields near the river start to flood
Action stage2.5water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
18.662003-09-19+5.36 above
27.41936-03-19+4.1 above
35.992021-10-29+2.69 above
45.062011-04-16+1.76 above
55.042018-09-10+1.74 above
64.922014-04-30+1.62 above
74.882010-03-14+1.58 above
84.832018-09-11+1.53 above
94.762011-04-17+1.46 above
104.672018-09-09+1.37 above
114.652012-10-30+1.35 above
124.632018-09-11+1.33 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

Cameron Run at Huntington - Metro Bridge 2 mi away · loading… Unnamed Tributary above New Alexandria Tide Gate 2 mi away · loading… Unnamed Tributary at Huntington Ponding Area 2 mi away · loading… Unnamed Tributary at New Alexandria Pump Station - Upstream 2 mi away · loading… Unnamed Tributary at New Alexandria Storm Water Pumping Station 2 mi away · loading… Unnamed Tributary below New Alexandria Tide Gate 2 mi away · loading…

Gauge details

NWS gauge IDAXTV2
USGS site0165258890
CountyCity of Alexandria
StateVirginia
NWS forecast officeSterling
River forecast centerMiddle Atlantic River Forecast Center
Coordinates38.805, -77.038
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 Potomac River at Alexandria

Is Potomac River at Alexandria 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 3.3 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Potomac River at Alexandria?

major flood stage 6.6 ft, moderate flood stage 4.2 ft, minor flood stage 3.3 ft, action stage 2.5 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Potomac River at Alexandria?

The highest crest on file at this gauge is 8.66 ft, reached on 2003-09-19 — that is 5.36 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 Sterling and local emergency management.