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Cabin Branch near Boyds, MD Water Level Today

Maryland · USGS gauge 01644380 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 01644380 sits on Cabin Branch and reads everything draining 0.8 square miles of the Middle Potomac-Catoctin basin. Its datum sits 393 feet above sea level NAVD88. Daily flow has been on record here since 2004, 22 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 Seneca Creek at Dawsonville, MD at 101 square miles, so what passes this gauge is about 1% of the water measured there. Water passing here goes on to Potomac River near Wash, Dc Little Falls Pump Sta.

Normal flows here

Cabin Branch runs a median of 0.7 cfs at this gauge across 22 years of record. March is the fullest month at a median 0.9 cfs, and September the leanest at 0.4 cfs. The highest daily mean on record is 71 cfs in 2011, and the lowest is 0.1 cfs in 2007.

Median flow by month
MonthMedian flowShare of annual median
Jan0.8 cfs115%
Feb0.9 cfs128%
Mar0.9 cfs138%
Apr0.9 cfs131%
May0.8 cfs124%
Jun0.7 cfs100%
Jul0.5 cfs71%
Aug0.4 cfs63%
Sep0.4 cfs59%
Oct0.4 cfs63%
Nov0.6 cfs82%
Dec0.7 cfs107%

Medians from the USGS daily-statistics record, 2004 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The highest crest on record is 9.5 feet, in July 2019.

Highest crests on record
WhenCrest
July 20199.5 ft
September 20119.4 ft
July 20188.4 ft
July 20168.4 ft
October 20198.2 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge BOYM2. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 01644380. Percentile context computed against the gauge's period of record. Not for navigation.

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