RIVER GAUGE · BYNUM RUN
Bynum Run at Bel Air
Harford County, Maryland
Water level0.58 ft
Flow—
Last readingSep 16, 2026, 5:15 PM UTC (last recorded)
Action6 ft
Minor flood9 ft
Moderate flood13 ft
Major flood17 ft
The past week
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What floods at each level
- 17 ft
Water approaches homes near the stream and covers a portion of Brierhill Drive.
- 13 ft
The bridge over Bynum Run at Maryland Route 22 begins to flood.
- 12 ft
Water approaches McPhail Road.
- 9 ft
Flooding begins to affect Bynum Run Park near Route 22.
- 6 ft
Fields begin to flood near the stream.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Aug 19, 2016 | 11.15 ft | 5,600 cfs |
| Sep 15, 1999 | 9.91 ft | 3,550 cfs |
| Aug 17, 2017 | 9.27 ft | 3,680 cfs |
Get an alert when Bynum Run rises
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