StormCast — Weather & Emergency Alerts

Unnamed Tributary above New Alexandria Tide Gate
Virginia — Water Level & Flood Stage

Located in Fairfax County, Virginia on the Unnamed Tributary. Live water level data from USGS, updated every 15 minutes.

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: ATGV2). Live data may be limited. View on NWS AHPS →

Flood Stages

Major Flood

7.5 ft

Moderate Flood

6.5 ft

Minor Flood

5.5 ft

Action Stage

4 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

7-Day Water Level Chart

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About This Gauge

NWS LID

ATGV2

River

Unnamed Tributary

County

Fairfax, VA

Coordinates

38.7764°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.

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Frequently Asked Questions

What is the current water level of Unnamed Tributary above New Alexandria Tide Gate?

The Unnamed Tributary above 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 above New Alexandria Tide Gate?

The NWS-defined flood stage for Unnamed Tributary above 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 above 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 — even when your screen is off.

Where is the Unnamed Tributary above New Alexandria Tide Gate gauge located?

The gauge is located in Fairfax County, Virginia at coordinates 38.7764°N, 77.0556°W. Data is provided by the U.S. Geological Survey and the National Weather Service.

More Gauges on Unnamed Tributary

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Source & Notes