Northwest Branch Patapsco River at Baltimore/Fort McHenry (IN MLLW) (BLTM2) Water Level & River Gauge | GaugeStage
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Northwest Branch Patapsco River at Baltimore/Fort McHenry (IN MLLW)

Gauge Details

NameNorthwest Branch Patapsco River at Baltimore/Fort McHenry (IN MLLW)
NWS SHEF IDBLTM2
USGS ID
CountyBaltimore City, MD
Location39.2700, -76.5800
Flood Information
Action Stage2.5 ft
Flood Stage3.4 ft
Moderate Flood Stage4.6 ft
Major Flood Stage6 ft
Data Provided By:National Ocean Service
Forecasts are issued routinely year-round.