TidalMapBynum Run near Abingdon, 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 01581590 sits on Bynum Run and reads everything draining 21 square miles of the Gunpowder-Patapsco basin. Its datum sits 32 feet above sea level NAVD88. Daily flow has been on record here since 2022, 3 years of it.
Where this gauge sits in the drainage
One gauged site sits upstream of here. The closest is Bynum Run at Bel Air, MD, reading 8.5 square miles. This gauge adds the 12 square miles that drain in between.
Normal flows here
Bynum Run runs a median of 17 cfs at this gauge across 3 years of record. January is the fullest month at a median 35 cfs, and September the leanest at 6.5 cfs. The highest daily mean on record is 691 cfs in 2024, and the lowest is 3.3 cfs in 2024.
| Month | Median flow | Share of annual median |
|---|---|---|
| Jan | 35 cfs | 206% |
| Feb | 28 cfs | 165% |
| Mar | 33 cfs | 194% |
| Apr | 28 cfs | 168% |
| May | 18 cfs | 106% |
| Jun | 14 cfs | 79% |
| Jul | 12 cfs | 71% |
| Aug | 8.1 cfs | 48% |
| Sep | 6.5 cfs | 38% |
| Oct | 7.0 cfs | 41% |
| Nov | 6.8 cfs | 40% |
| Dec | 20 cfs | 118% |
Medians from the USGS daily-statistics record, 2022 to 2025. A month at 100% is running at its own long-term median.
Nearby river gauges
- James Run near Belcamp, MD
- Wheel Creek near Abingdon, MD
- Plumtree Run near Bel Air, MD
- Bynum Run at Bel Air, MD
- Foster Branch near Joppatowne, MD
- Winters Run near Bel Air, MD
- Winters Run near Benson, MD
- Swan Creek at Swan Creek, MD
- Little Gunpowder Falls at Laurel Brook, MD
- Deer Creek near Darlington, MD
- Honeygo Run near White Marsh, MD
- Deer Creek at Rocks, MD
Live streamflow and gage height: USGS gauge 01581590. Percentile context computed against the gauge's period of record. Not for navigation.
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