TornadoLiveMap

Southwest Branch near Largo / Harry S Truman Dr — water level right now

Prince Georges County, Maryland · NWS gauge HTNM2
Loading the latest reading…
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current stage (ft)
 
11
minor flood stage
 
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flood status
official NWS category
Official NOAA forecast → Full US flood map →

Flood stages at this gauge

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

action · 7
minor · 11
moderate · 13
Flood stageLevel (ft)What it means
Moderate flood stage13some buildings and roads inundated; evacuations possible
Minor flood stage11low-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

The National Weather Service has no historic crest list on file for this gauge.

Where this gauge is

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

Nearby river gauges

Western Branch near Woodmore / Lottsford Road 3 mi away · loading… Collington Branch near Upper Marlboro / Leeland Road 4 mi away · loading… Collington Branch at Mitchellville 5 mi away · loading… Western Branch at Upper Marlboro / Marlboro Country Club 5 mi away · loading… Western Branch at Upper Marlboro 6 mi away · loading… Northeast Branch Anacostia River at Riverdale 8 mi away · loading…

Gauge details

NWS gauge IDHTNM2
CountyPrince Georges
StateMaryland
NWS forecast officeSterling
River forecast centerMiddle Atlantic River Forecast Center
Coordinates38.876, -76.827
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 Southwest Branch near Largo / Harry S Truman Dr

Is Southwest Branch near Largo / Harry S Truman Dr 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 11 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Southwest Branch near Largo / Harry S Truman Dr?

moderate flood stage 13 ft, minor flood stage 11 ft, action stage 7 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

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.