RIVER GAUGE · WEST BRANCH HERRING RUN
West Branch Herring Run at Idlewylde
Baltimore County, Maryland
Water level0.74 ft
Flow0 cfs
Last readingSep 16, 2026, 5:05 PM UTC (last recorded)
Action6 ft
Minor flood9 ft
Moderate flood12.5 ft
Major flood14 ft
The past week
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What floods at each level
- 14 ft
Major flooding is ongoing with roads and structures flooded.
- 12.5 ft
Water covers Regester Street and Hillen Road, and homes near the gauge begin to flood.
- 9 ft
Yards near the gage and portions of Mount Pleasant Golf Course begin to flood.
- 8 ft
The river exceeds its banks and begins to flood yards on the right bank.
- 6 ft
Water begins to overflow the banks near Hillen Road, but no impacts are observed.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Aug 13, 2012 | 10.87 ft | 2,340 cfs |
| Aug 13, 2018 | 9.41 ft | 2,110 cfs |
| Jun 26, 2016 | 8.99 ft | 2,030 cfs |
Get an alert when West Branch Herring Run rises
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