TidalMapTributary to Dead Run Tributary at Woodlawn, MD Water Level Today
NWS river forecast
| When | Stage | Flow |
|---|
Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.
Last 30 days
About this gauge
USGS gauge 01589317 sits on Tributary to Dead Run Tributary and reads everything draining 0.5 square miles of the Gunpowder-Patapsco basin. Its datum sits 401 feet above sea level NAVD88. Daily flow has been on record here since 2008, 17 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 Tributary at Woodlawn, MD at 1.9 square miles, so what passes this gauge is about 27% of the water measured there. Water passing here goes on to Dead Run at Franklintown, MD.
Normal flows here
Tributary to Dead Run Tributary runs a median of 0.3 cfs at this gauge across 17 years of record. February is the fullest month at a median 0.4 cfs, and September the leanest at 0.1 cfs. The highest daily mean on record is 54 cfs in 2011, and the lowest is 0.0 cfs in 2010.
| Month | Median flow | Share of annual median |
|---|---|---|
| Jan | 0.3 cfs | 111% |
| Feb | 0.4 cfs | 156% |
| Mar | 0.4 cfs | 148% |
| Apr | 0.3 cfs | 106% |
| May | 0.3 cfs | 115% |
| Jun | 0.3 cfs | 96% |
| Jul | 0.2 cfs | 67% |
| Aug | 0.2 cfs | 74% |
| Sep | 0.1 cfs | 56% |
| Oct | 0.2 cfs | 63% |
| Nov | 0.2 cfs | 72% |
| Dec | 0.3 cfs | 115% |
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
Tributary to Dead Run Tributary reaches flood stage at this gauge at 7 feet. NWS starts watching it at 6 feet. The highest crest on record is 8.2 feet, in July 2016.
| Category | Gage height |
|---|---|
| Action | 6 ft |
| Minor flooding | 7 ft |
| Moderate flooding | 10 ft |
| Major flooding | 14 ft |
| When | Crest |
|---|---|
| July 2016 | 8.2 ft |
| September 2011 | 6.2 ft |
| June 2015 | 5.2 ft |
| August 2013 | 4.8 ft |
| April 2010 | 4.7 ft |
Flood categories and crest history from the NOAA National Water Prediction Service, gauge TTDM2. Stages are gage height, not depth. Not for navigation.
Nearby river gauges
- Dead Run Tributary near Woodlawn, MD
- Dead Run Tributary at Woodlawn, MD
- Dead Run at Woodlawn, MD
- Dead Run near Catonsville, MD
- Dead Run at Franklintown, MD
- Scotts Level Branch at Rockdale, MD
- Patapsco River at Hollofield, MD
- Patapsco River near Catonsville, MD
- Red Run near Owings Mills, MD
- East Branch Herbert Run at Arbutus, MD
- Patapsco River near Elkridge, MD
- Pond Branch at Oregon Ridge, MD
Live streamflow and gage height: USGS gauge 01589317. Percentile context computed against the gauge's period of record. Not for navigation.
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