TidalMap
Explore this water on the live chart →

South Fork Jabez Branch at Millersville, MD Water Level Today

Maryland · USGS gauge 01589795 · live data · Updated Oct 28, 2026

Loading…

About this gauge

USGS gauge 01589795 sits on the South Fork Jabez Branch and reads everything draining 1 square miles of the Severn basin. Its datum sits 53 feet above sea level NAVD88. Daily flow has been on record here since 1989, 29 years of it.

Normal flows here

The South Fork Jabez Branch runs a median of 0.3 cfs at this gauge across 29 years of record. February is the fullest month at a median 0.4 cfs, and September the leanest at 0.3 cfs. The highest daily mean on record is 150 cfs in 2008, and the lowest is 0.0 cfs in 2010.

Median flow by month
MonthMedian flowShare of annual median
Jan0.3 cfs97%
Feb0.4 cfs112%
Mar0.3 cfs103%
Apr0.3 cfs108%
May0.4 cfs112%
Jun0.3 cfs100%
Jul0.3 cfs94%
Aug0.3 cfs94%
Sep0.3 cfs89%
Oct0.3 cfs94%
Nov0.3 cfs100%
Dec0.3 cfs103%

Medians from the USGS daily-statistics record, 1989 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 13.8 feet, in September 2011.

Highest crests on record
WhenCrest
September 201113.8 ft
September 20037.5 ft
July 20187.2 ft
May 20087.2 ft
September 20107 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge MLRM2. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 01589795. Percentile context computed against the gauge's period of record. Not for navigation.

Open South Fork Jabez Branch at Millersville, MD on the live chart →

River pins, dam-release overlays and wadability lines live in the app, start a free TidalMap trial.