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Dead Run near Catonsville, MD Water Level Today

Maryland · USGS gauge 01589312 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 01589312 sits on Dead Run and reads everything draining 0.8 square miles of the Gunpowder-Patapsco basin. Its datum sits 408 feet above sea level NAVD88. Daily flow has been on record here since 2008, 18 years of it.

Where this gauge sits in the drainage

No gauged site sits above this one on the mainstem, so this is the first published reading on the river. Downstream the next reading comes from Dead Run at Woodlawn, MD at 2.4 square miles, so what passes this gauge is about 33% of the water measured there. Water passing here goes on to Dead Run at Franklintown, MD.

Normal flows here

Dead Run runs a median of 0.4 cfs at this gauge across 18 years of record. February is the fullest month at a median 0.5 cfs, and October the leanest at 0.2 cfs. The highest daily mean on record is 150 cfs in 2018, and the lowest is 0.0 cfs in 2008.

Median flow by month
MonthMedian flowShare of annual median
Jan0.4 cfs105%
Feb0.5 cfs134%
Mar0.5 cfs118%
Apr0.4 cfs113%
May0.5 cfs118%
Jun0.3 cfs89%
Jul0.3 cfs82%
Aug0.3 cfs74%
Sep0.2 cfs66%
Oct0.2 cfs63%
Nov0.3 cfs75%
Dec0.4 cfs113%

Medians from the USGS daily-statistics record, 2008 to 2025. A month at 100% is running at its own long-term median.

Flood stages and record crests

Dead Run reaches flood stage at this gauge at 9 feet. NWS starts watching it at 6 feet. The highest crest on record is 11.3 feet, in July 2016.

NWS flood categories
CategoryGage height
Action6 ft
Minor flooding9 ft
Moderate flooding10 ft
Major flooding12 ft
Highest crests on record
WhenCrest
July 201611.3 ft
May 201810.2 ft
September 20118.3 ft
July 20087.9 ft
June 20157.8 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge DEDM2. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 01589312. Percentile context computed against the gauge's period of record. Not for navigation.

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