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West Branch Herring Run at Idlewylde

National Weather Service gauge IDLM2 · Maryland · Baltimore County · 39.3736, -76.5844 · USGS 01585200

Flood levels

Official flood levels at this gauge: action stage begins at 6.0 ft; minor flooding begins at 9.0 ft; moderate flooding begins at 12.5 ft; major flooding begins at 14.0 ft.

Action stage6.0 ft
Minor flooding9.0 ft
Moderate flooding12.5 ft
Major flooding14.0 ft

Highest recorded crests

What the water does

National Weather Service impact statements for this gauge, in the Weather Service's own words.

6.0 ftWater begins to overflow the banks near Hillen Road, but no impacts are observed.
8.0 ftThe river exceeds its banks and begins to flood yards on the right bank.
9.0 ftYards near the gage and portions of Mount Pleasant Golf Course begin to flood.
12.5 ftWater covers Regester Street and Hillen Road, and homes near the gauge begin to flood.
14.0 ftMajor flooding is ongoing with roads and structures flooded.

Forecast office: NWS Sterling · River Forecast Center: Middle Atlantic River Forecast Center.

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