RIVER GAUGE · BEAVERDAM RUN
Beaverdam Run at Cockeysville
Baltimore County, Maryland
Water level2.03 ft
Flow75 cfs
Last readingSep 16, 2026, 4:25 PM UTC (last recorded)
Action7 ft
Minor flood9 ft
Moderate flood10 ft
Major flood11 ft
The past week
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What floods at each level
- 12 ft
Widespread flooding is occurring near the stream with several feet of water in buildings in part of Cockeysville.
- 11 ft
Flooding becomes widespread near the intersection of York Road and Beaver Run Road with numerous buildings flooded and water flowing across York Road.
- 10 ft
Floodwaters begin to cover York Road. Businesses north of Beaver Run Road and east of York Road are flooded.
- 9 ft
Beaver Run Lane begins to flood. Water begins to surround nearby buildings.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 30, 1984 | 12.1 ft | 3,370 cfs |
| Sep 7, 2011 | 11.58 ft | 2,160 cfs |
| May 5, 1989 | 11.2 ft | — |
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