RIVER GAUGE · FOUR MILE RUN
Four Mile Run above Highway 1 at Alexandria
City of Alexandria County, Virginia
Water level1.99 ft
Flow—
Last readingSep 16, 2026, 4:12 PM UTC (last recorded)
Action4 ft
Minor flood7 ft
Moderate flood10 ft
Major flood12 ft
The past week
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What floods at each level
- 21.5 ft
Water covers the Route 1 bridge over Four Mile Run.
- 13 ft
Significant flooding begins on both sides of the stream, with major flooding of homes and businesses.
- 9 ft
Flooding begins on both sides of the stream, with homes and businesses likely to be affected.
- 5 ft
Water reaches the Four Mile Run Park Trail on the Alexandria side of the stream.
- 4 ft
Portions of the Four Mile Run Trail are flooded.
- 3.8 ft
Water begins to cover the lowest spots of the Four Mile Run Trail near Route 1.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Sep 2, 2006 | 4.99 ft | — |
| Sep 10, 2018 | 4.66 ft | — |
| Sep 8, 2011 | 3.8 ft | — |
More on Four Mile Run
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