Major Flood
16 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
13 ft
Minor Flood
8 ft
Action Stage
7 ft
What Floods at Each Level
16 ft
Numerous roads and structures are flooded.
14 ft
Much of Tanglewood Drive is flooded, along with some structures.
13 ft
Water approaches homes and businesses.
12 ft
Water reaches Tanglewood Drive in spots, as well as a parking lot near Riverdale.
11 ft
Athletic fields off Tanglewood Drive are fully flooded.
8 ft
The Northeast Branch Trail begins to flood in spots.
7 ft
Water leaves the banks and begins to cover an athletic field off Tanglewood Drive. No other impacts are noted.
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 |
|---|---|---|
| Aug 22, 1933 | 13.42 ft | 10,500 cfs |
| Jul 3, 2022 | 13.37 ft | 23,710 cfs |
| Jul 3, 2004 | 11.19 ft | 8,000 cfs |
About This Gauge
USGS Site
NWS LID
RVDM2
River
Northeast Branch Anacostia River
County
Prince Georges, MD
Coordinates
38.9603°N, 76.9261°W
Get Flood Alerts for Northeast Branch Anacostia 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 Northeast Branch Anacostia River at Riverdale?
The Northeast Branch Anacostia River at Riverdale gauge is maintained by USGS (site 01649500) 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 Northeast Branch Anacostia River at Riverdale?
The NWS-defined flood stage for Northeast Branch Anacostia River at Riverdale is 8 feet. Action stage begins at 7 feet. Moderate flooding starts at 13 feet, and major flooding at 16 feet.
How do I get alerts when Northeast Branch Anacostia River rises?
Download StormCast free on Google Play, go to River Gauges, and add Northeast Branch Anacostia River at Riverdale 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 Northeast Branch Anacostia River at Riverdale gauge located?
The gauge is located in Prince Georges County, Maryland at coordinates 38.9603°N, 76.9261°W. USGS site number: 01649500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.