Broad Run near Bristow
Flood levels
Official flood levels at this gauge: action stage begins at 8.5 ft; minor flooding begins at 9.5 ft; moderate flooding begins at 16.0 ft; major flooding begins at 20.0 ft.
| Action stage | 8.5 ft |
|---|---|
| Minor flooding | 9.5 ft |
| Moderate flooding | 16.0 ft |
| Major flooding | 20.0 ft |
Highest recorded crests
- 14.9 ft on Jul 17, 2025 (historic crest)
- 14.5 ft on Jan 10, 2024 (historic crest)
- 14.2 ft on Jul 22, 2018 (historic crest)
- 14.0 ft on Mar 22, 2019 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 8.5 ft | Trails near the stream begin to flood. People should move away from the stream. |
|---|---|
| 9.5 ft | Piper Lane is flooded near Manassas Airport. Trails near the stream are also flooded. |
| 16.0 ft | Water approaches backyards in the Kingsbrooke neighborhood. |
| 20.0 ft | Water approaches the runways at Manassas Regional Airport. |
Forecast office: NWS Sterling · River Forecast Center: Middle Atlantic River Forecast Center.
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Nearby stations and gauges
- Broad Run at Nokesville Road (VA-28) NWS gauge · 1.8 mi
- Broad Run at Rollins Ford Road NWS gauge · 3.1 mi
- Kettle Run at Bristow Manor GC NWS gauge · 3.6 mi
- Youngs Branch at Manassas Battlefield NWS gauge · 5.1 mi
- Little Bull Run at Artemus Road NWS gauge · 5.2 mi
- Flat Branch near Unnamed Tributary At Amherst Drive NWS gauge · 5.5 mi