Rivers in Pennsylvania

Shenango River at New Castle

Lawrence County, PennsylvaniaNWS NCSP1USGS 03104490Moon Township office

Below flood stage
7.39ftStage

Observed Tue, Sep 22, 10:45 AM EDT

Flood stage
19.00 ft
Record crest
20.60 ft1959

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood23.00 ft
Moderate flood21.00 ft
Minor flood19.00 ft
Action15.90 ft
  1. 24.00 ftFlood of Record from March 1913. Stage is estimated based on flow from original gage site.
  2. 22.70 ftFlood waters reach railroad tracks on right downstream bank across the river from the water company.
  3. 20.60 ftHundreds of homes and businesses flooded in New Castle.
  4. 19.50 ftWater company out of operation unless sandbags have been installed.
  5. 18.60 ftWater reaches the floor level at Water Company Pumping Station.
  6. 18.25 ftWater reaches the gage house tabletop. Gage out of service.
  7. 18.00 ftBasements are flooded in low lying areas of New Castle.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 15, 2026.

Crest history

10 crests on NOAA’s list since 1942.

#DateStage
1January 22, 195920.60 ft
2October 17, 195417.60 ft
3July 17, 195817.50 ft
4May 28, 194617.00 ft
5January 28, 195217.00 ft
6February 11, 195916.80 ft
7December 31, 194216.70 ft
8March 11, 196416.00 ft
9March 7, 196415.80 ft
10April 1, 196015.00 ft

Most recent crests

  • March 11, 1964: 16.00 ft
  • March 7, 1964: 15.80 ft
  • April 1, 1960: 15.00 ft
  • February 11, 1959: 16.80 ft
  • January 22, 1959: 20.60 ft
  • July 17, 1958: 17.50 ft
  • October 17, 1954: 17.60 ft
  • January 28, 1952: 17.00 ft
  • May 28, 1946: 17.00 ft
  • December 31, 1942: 16.70 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Ohio River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. The above river forecast includes future rainfall/snowmelt. Forecast stages may be different if the actual rainfall/snowmelt is different than the forecast rainfall/snowmelt. Stage may be affected by ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.