Long Quarter Branch at Lutherville, MD

River level and flood forecast · Baltimore County

Normal1.1 ftas of Mon 11:30 PM

The river is 7.4 ft below flood stage (8.5 ft).

Flow: 0 cubic feet per second (USGS).

The last 7 days and the forecast

-2.502.557.51012.5WedThuFriSatSunMonTueAction 7 ftFlood 8.5 ftModerate 11 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Major flood stage13 ft
Moderate flood stage11 ft
Flood stage8.5 ft
Action stage7 ft
Record crest (May 27, 2018)7.31 ft

What floods at each level

From the National Weather Service, highest first.

  • 13 ftSignificant flooding is occurring along the creek, with several roads flooded and potentially a couple structures.
  • 11 ftWater approaches the underside of bridges on Dulaney Valley Road and Seminary Avenue. Backwater caused by regulation from these bridges may cause additional flooding near a parking lot off Seminary Avenue.
  • 8.5 ftWater approaches a substation located off Dulaney Valley Road.
  • 7 ftWater begins to exceed the banks of the creek, but no impacts are observed.

Highest crests on record

  1. 7.31 ft — May 27, 2018
  2. 7.14 ft — June 23, 2015
  3. 7 ft — July 11, 2019
  4. 6.64 ft — February 24, 2016
  5. 6.56 ft — August 3, 2017

Recent crests: 7 ft (July 11, 2019) · 7.31 ft (May 27, 2018) · 6.56 ft (August 3, 2017) · 6.64 ft (February 24, 2016) · 7.14 ft (June 23, 2015)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LUTM2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.