West Branch Susquehanna River at West Milton, PA

River level and flood forecast · Union County

Normal1.7 ftas of Mon 4:30 PM

The river is 17.3 ft below flood stage (19 ft).

Forecast to rise to 2.9 ft Wed 2 PM, below the 19 ft flood stage.

The last 7 days and the forecast

-100102030TueThuSatMonWedAction 16 ftFlood 19 ftModerate 22 ftMajor 25 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 2:51 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage25 ft
Moderate flood stage22 ft
Flood stage19 ft
Action stage16 ft
Record crest (June 24, 1972)34.55 ft

What floods at each level

From the National Weather Service, highest first.

  • 42 ftApproximate level of the FEMA 0.2% Annual Chance Flood level (500-year flood).
  • 36 ftFlood waters begin to reach the White Deer Pike Bridge to Watsontown.
  • 34.5 ftFlood of record from Hurricane Agnes in 1972. Approximate level of the FEMA 1% Annual Chance Flood level (100-year flood).
  • 34 ftWater level reaches the intersection of Arch and First Streets. Most of Milton is affected by high water.
  • 33 ftMost of the Borough of Milton is affected by high water. Approximate level of the FEMA 2% Annual Chance Flood level (50-year flood).
  • 32 ftThe milton municipal building floods.
  • 30 ftMany homes on both banks are affected by high water.
  • 28 ftNumerous homes in Milton and West Milton are affected by high water.
  • 27 ftApproximate level of the FEMA 10% Annual Chance Flood level (10-year flood).
  • 25 ftNumerous homes in Milton and West Milton will flood. High water affects the Con Agra Foods plant in Milton.
  • 22 ftHomes on South Water Street in Milton are flooded.
  • 21 ftRiver Road in West Milton floods. Low lying areas in Milton are inundated.
  • 19 ftRiver Road on the right, or west bank in West Milton floods. The left bank overflows in the vicinity of Milton.

Highest crests on record

  1. 34.55 ft — June 24, 1972
  2. 34.07 ft — March 18, 1936
  3. 31.1 ft — June 1, 1889
  4. 30.43 ft — May 29, 1946
  5. 29.5 ft — September 27, 1975

Recent crests: 19.08 ft (August 10, 2024) · 20.54 ft (September 12, 2018) · 26.6 ft (September 8, 2011) · 21.03 ft (April 29, 2011) · 21.72 ft (March 11, 2011)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (ILTP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.