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Potomac River at Edwards Ferry — water level right now

Montgomery County, Maryland · NWS gauge EDFM2
Loading the latest reading…
–
current stage (ft)
 
15
minor flood stage
 
22.45
record crest
set 2018-06-05
–
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 · 12.25
minor · 15
moderate · 17
major · 24
Flood stageLevel (ft)What it means
Major flood stage24extensive inundation and significant evacuations — a serious event
Moderate flood stage17some buildings and roads inundated; evacuations possible
Minor flood stage15low-lying roads and fields near the river start to flood
Action stage12.25water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
122.452018-06-05+7.45 above
221.82018-09-29+6.8 above
321.572018-09-29+6.57 above
421.252025-05-15+6.25 above
521.092014-05-17+6.09 above
620.982018-12-17+5.98 above
720.312018-09-11+5.31 above
819.772012-10-31+4.77 above
918.452022-05-08+3.45 above
1017.872018-05-20+2.87 above
1117.632016-02-05+2.63 above
1216.912021-03-02+1.91 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

Seneca Creek at Dawsonville 8 mi away · loading… Ten Mile Creek near Boyds 12 mi away · loading… Ten Mile Creek near Clarksburg 12 mi away · loading… Little Seneca Creek Tributary Near Germantown, MD 13 mi away · loading… Potomac River at Point of Rocks 13 mi away · loading… Bennett Creek at Park Mills 14 mi away · loading…

Gauge details

NWS gauge IDEDFM2
USGS site01644148
CountyMontgomery
StateMaryland
NWS forecast officeSterling
River forecast centerMiddle Atlantic River Forecast Center
Coordinates39.099, -77.471
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 Edwards Ferry

Is Potomac River at Edwards Ferry 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 15 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 Edwards Ferry?

major flood stage 24 ft, moderate flood stage 17 ft, minor flood stage 15 ft, action stage 12.25 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 Edwards Ferry?

The highest crest on file at this gauge is 22.45 ft, reached on 2018-06-05 — that is 7.45 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.