Minor Flood
9 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.
Action Stage
8 ft
What Floods at Each Level
9 ft
Havilland Mill Road begins to 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 |
|---|---|---|
| Jan 30, 2013 | 11.88 ft | 5,730 cfs |
| Apr 30, 2014 | 11.41 ft | 5,157 cfs |
| Dec 10, 2003 | 11.03 ft | 4,800 cfs |
About This Gauge
USGS Site
NWS LID
BGHM2
River
Patuxent River
County
Montgomery, MD
Coordinates
39.1922°N, 77.0044°W
Get Flood Alerts for Patuxent River
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 Patuxent River below Brighton Dam?
The Patuxent River below Brighton Dam gauge is maintained by USGS (site 01591610) 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 Patuxent River below Brighton Dam?
The NWS-defined flood stage for Patuxent River below Brighton Dam is 9 feet. Action stage begins at 8 feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when Patuxent River rises?
Download StormCast free on Google Play, go to River Gauges, and add Patuxent River below Brighton Dam 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 Patuxent River below Brighton Dam gauge located?
The gauge is located in Montgomery County, Maryland at coordinates 39.1922°N, 77.0044°W. USGS site number: 01591610. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.