Connoquenessing Creek at Zelienople, PA

River level and flood forecast · Beaver County

Normal3.1 ftas of Mon 4:30 PM

The river is 6.9 ft below flood stage (10 ft).

Flow: 663 cubic feet per second (USGS).

The last 7 days and the forecast

05101520TueWedThuFriSatSunMonAction 8 ftFlood 10 ftModerate 14 ftMajor 18 ftNowObserved (ft)NWS forecast

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

Flood stages

Major flood stage18 ft
Moderate flood stage14 ft
Flood stage10 ft
Action stage8 ft
Record crest (September 18, 2004)18.17 ft

What floods at each level

From the National Weather Service, highest first.

  • 18.17 ftFlooding reaches levels reached during the Hurricane Ivan flood of September 18, 2004.
  • 14.76 ftFlooding reaches levels of December 1, 2010.
  • 14 ftThe Connoquenessing Creek surrounds and floods homes in the lower end of Harmony.
  • 11 ftAt 11.0 feet water begins to flood portions of Horseshoe Lane...upstream of Zelienople near the intersection of Prospect Rd and Hartmann Rd.
  • 10.5 ftWater affects Country Club road to the high school in North Sewickley Township and water gets onto Hartzell School road to near Fombell bridge in Marion township.
  • 10 ftWater reaches Mercer Road and Waterfront Street in Ellwood City, and Narrows Road in Franklin Township.

Highest crests on record

  1. 18.17 ft — September 18, 2004
  2. 16.66 ft — June 29, 1924
  3. 15.55 ft — October 16, 1954
  4. 15.34 ft — May 29, 2019
  5. 15.24 ft — April 3, 2024

Recent crests: 15.24 ft (April 3, 2024) · 10.93 ft (May 7, 2022) · 13.59 ft (February 18, 2022) · 15.34 ft (May 29, 2019) · 14.36 ft (September 10, 2018)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (ZLPP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.