Swatara Creek at Middletown, PA

River level and flood forecast · Dauphin County

Normal6.4 ftas of Mon 2:15 PM

The river is 4.6 ft below flood stage (11 ft).

Forecast to fall to 3.1 ft by Thu, Oct 15, 2 PM.

The last 7 days and the forecast

05101520TueThuSatMonWedAction 10 ftFlood 11 ftModerate 15 ftMajor 18 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 stage18 ft
Moderate flood stage15 ft
Flood stage11 ft
Action stage10 ft
Record crest (September 9, 2011)23.29 ft

What floods at each level

From the National Weather Service, highest first.

  • 23.29 ftFlood of Record. Level of flooding associated with the remnants of Tropical Storm Lee on September 9 2011.
  • 20 ftWidespread flooding of structures...including the trailer park at Harborton Place and Caravan Court.
  • 18 ftWidespread flooding occurs. Numerous homes are affected by high water. Route 230 is affected. Flooding begins in the vicinity of Hoffer Park.
  • 15 ftFlooding begins in the vicinity of Few Avenue and near the community swimming pool.
  • 12 ftBoth banks overflow upstream of the Vine Street Bridge and several basements are affected.
  • 11 ftMinor overbank flooding begins near the Vine Street Bridge downstream to the Susquehanna River.

Highest crests on record

  1. 23.29 ft — September 9, 2011
  2. 16.36 ft — March 12, 2011
  3. 16.19 ft — July 26, 2018
  4. 13.68 ft — December 26, 2020
  5. 13.46 ft — September 3, 2021

Recent crests: 12.46 ft (February 23, 2026) · 12.57 ft (April 5, 2024) · 11.05 ft (December 19, 2023) · 13.37 ft (February 5, 2022) · 13.46 ft (September 3, 2021)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MTLP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.