RIVER GAUGE · WHITEMARSH RUN
Whitemarsh Run at White Marsh
Baltimore County, Maryland
Water level2.93 ft
Flow—
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action9 ft
Minor flood11 ft
Moderate flood15 ft
Major flood18 ft
The past week
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What floods at each level
- 18 ft
Major flooding is occurring with buildings and roads severely impacted.
- 15 ft
Water begins to affect buildings near the stream.
- 13 ft
Town Center Court begins to flood.
- 11 ft
Water begins to cover parking lots near the stream, particularly near Town Center Court.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jul 31, 1971 | 18.49 ft | 8,000 cfs |
| Sep 29, 2010 | 16.73 ft | 4,780 cfs |
| Aug 26, 1978 | 16.17 ft | 3,880 cfs |
More on Whitemarsh Run
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