Turkey Branch near Aspen Hill, MD

River level and flood forecast · Montgomery County

Normal4.3 ftas of Tue 12 AM

The river is 5.7 ft below flood stage (10 ft).

The last 7 days and the forecast

2.557.51012.515WedThuFriSatSunMonTueAction 8 ftFlood 10 ftModerate 13 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 stage17 ft
Moderate flood stage13 ft
Flood stage10 ft
Action stage8 ft
Record crest (August 12, 2010)12.78 ft

What floods at each level

From the National Weather Service, highest first.

  • 17 ftWater reaches Viers Mill Road, with numerous structures flooded.
  • 13 ftWater approaches structures near the stream.
  • 10 ftWater approaches the intersection of Turkey Branch Parkway and Danvers Street, and the intersection of Turkey Branch Parkway and Grenoble.
  • 8 ftWater overflows the banks but no impacts are observed.

Highest crests on record

  1. 12.78 ft — August 12, 2010
  2. 12.14 ft — April 30, 2014
  3. 11.54 ft — May 2, 2016
  4. 11.35 ft — September 1, 2021
  5. 11.14 ft — April 30, 2014

Recent crests: 10.5 ft (July 3, 2022) · 11.35 ft (September 1, 2021) · 8.8 ft (July 8, 2019) · 10.37 ft (April 16, 2018) · 9.49 ft (July 18, 2017)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (RKVM2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.