Is the Long Branch flooding?
The Long Branch is tracked by 8 USGS streamgauges in Virginia. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Long Branch is running normal, rising toward flood stage, or already flooding. Right now, every gauge on the Long Branch is below flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Virginia river levels.
| Gauge | Status | Stage | Flood stage | Updated |
|---|---|---|---|---|
| Long Branch near Old Creek Drive near Fairfax, VA | No current data | — | — | — |
| Long Branch near Pickett Road near Fairfax, VA | No current data | — | — | — |
| Long Branch above Guinea Road near Fairfax, VA | No current data | — | — | — |
| Long Branch below Guinea Road near Fairfax, VA | No current data | — | — | — |
| Long Branch near Tabard Trail near Fairfax, VA | No current data | — | — | — |
| Long Branch above Woodland Way near Fairfax, VA | No current data | — | — | — |
| Long Branch at Olley Lane near Fairfax, VA | No flood stage defined | 2.03 ft | — | |
| Long Branch near Annandale, VA | No flood stage defined | 2.38 ft | — |
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.