Conemaugh River at Seward, PA
River level and flood forecast · Westmoreland County
The river is 8.2 ft below flood stage (12 ft).
Forecast to fall to 2.6 ft by Sat, Oct 17, 8 AM.
Flow: 2,340 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 9:20 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 16 ft |
| Moderate flood stage | 14 ft |
| Flood stage | 12 ft |
| Action stage | 8.8 ft |
| Record crest (July 20, 1977) | 27.06 ft |
What floods at each level
From the National Weather Service, highest first.
- 27.06 ftWater reaches the flood of record...July 20, 1977.
- 26.4 ftWater reaches the level of the ST. Patricks Day Flood and crest on March 18, 1936.
- 26 ftFlood waters reach 4th Ave in northwest portion of Seward.
- 25 ftWater begins to enter the Seward Power Plant property.
- 20.7 ftWater reaches floor level in trailers just downstream from Route 56 bridge over Conemaugh River.
- 12 ftRoute 56 below Power Plant Road is flooded under railroad underpass.
Highest crests on record
- 27.06 ft — July 20, 1977
- 26.4 ft — March 18, 1936
- 20.68000030517578 ft — January 19, 1996
- 19.2 ft — October 16, 1954
- 15.22 ft — March 31, 1940
Recent crests: 14.34 ft (April 3, 2024) · 14.15 ft (September 1, 2021) · 10.64 ft (February 8, 2019) · 14.55 ft (September 10, 2018) · 14.87 ft (February 16, 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 (SWDP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.