Major Flood
7.5 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: NADV2). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
6.5 ft
Minor Flood
5.5 ft
Action Stage
4 ft
What Floods at Each Level
8.5 ft
Catastrophic damaging flooding is occurring throughout Belle View with dozens of structures flooded.
7.5 ft
Widespread yard and street flooding is ongoing. At least a couple structures are affected south of I Street.
6.5 ft
Widespread street and yard flooding begins below the tide gate.
5.5 ft
Overbank flooding begins of low lying areas below the tide gate.
4 ft
Some water may be observed outside the usual drainage channel but no impacts are observed.
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 |
|---|---|---|
| Oct 29, 2021 | 6.19 ft | — |
About This Gauge
NWS LID
NADV2
River
Unnamed Tributary
County
Fairfax, VA
Coordinates
38.7758°N, 77.0556°W
Get Flood Alerts for Unnamed Tributary
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 Unnamed Tributary below New Alexandria Tide Gate?
The Unnamed Tributary below New Alexandria Tide Gate gauge is maintained by USGS 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 Unnamed Tributary below New Alexandria Tide Gate?
The NWS-defined flood stage for Unnamed Tributary below New Alexandria Tide Gate is 5.5 feet. Action stage begins at 4 feet. Moderate flooding starts at 6.5 feet, and major flooding at 7.5 feet.
How do I get alerts when Unnamed Tributary rises?
Download StormCast free on Google Play, go to River Gauges, and add Unnamed Tributary below New Alexandria Tide Gate 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 Unnamed Tributary below New Alexandria Tide Gate gauge located?
The gauge is located in Fairfax County, Virginia at coordinates 38.7758°N, 77.0556°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Unnamed Tributary
Unnamed Tributary at New Alexandria Storm Water Pumping Station - Downstream
Unnamed Tributary above New Alexandria Tide Gate
Unnamed Tributary at Burke Centre Regional Pond
Unnamed Tributary at Huntington Ponding Area
Unnamed Tributary at Lake Braddock in Burke
Unnamed Tributary at Lake Barton in Burke
Unnamed Tributary at New Alexandria Pump Station - Upstream
More Resources
Source & Notes
- Stage may be affected by ice.