Major Flood
18 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
15 ft
Minor Flood
12 ft
Action Stage
10 ft
What Floods at Each Level
16 ft
Youngs Cliff Road is flooded. This can also happen due to Potomac River backwater and not be reflected at this gauge.
15 ft
Water approaches buildings off Youngs Cliff Road. This can also happen due to Potomac River backwater and not be reflected at this gauge.
10 ft
Wooded areas near the river flood.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| May 11, 2008 | 13.29 ft | 13,500 cfs |
| Jan 31, 2013 | 11.27 ft | 8,564 cfs |
| May 16, 2014 | 11.21 ft | 8,755 cfs |
About This Gauge
Get Flood Alerts for Broad Run
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Broad Run near Sterling?
The Broad Run near Sterling gauge is maintained by USGS (site 01644280) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Broad Run near Sterling?
The NWS-defined flood stage for Broad Run near Sterling is 12 feet. Action stage begins at 10 feet. Moderate flooding starts at 15 feet, and major flooding at 18 feet.
How do I get alerts when Broad Run rises?
Download StormCast free on Google Play, go to River Gauges, and add Broad Run near Sterling to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Broad Run near Sterling gauge located?
The gauge is located in Loudoun County, Virginia at coordinates 39.0464°N, 77.4325°W. USGS site number: 01644280. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Broad Run
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.