Tioga River at Mansfield, PA
River level and flood forecast · Tioga County
Normal0.3 ftas of Mon 3 PM
The river is 11.7 ft below flood stage (12 ft).
Forecast to fall to -0.2 ft by Thu, Oct 15, 2 PM.
Flow: 78 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 2:48 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 14 ft |
| Moderate flood stage | 13 ft |
| Flood stage | 12 ft |
| Action stage | 9 ft |
| Record crest (September 25, 1975) | 20.13 ft |
What floods at each level
From the National Weather Service, highest first.
- 20.5 ftFEMA 0.2% Annunal Chance Flood Level (500-year flood).
- 20.1 ftFlood of record from September 1975. Flood waters begin to reach the West Hill Road bridge in Covington.
- 19 ftFEMA 1% Annunal Chance Flood Level (100-year flood).
- 16.5 ftFEMA 2% Annunal Chance Flood Level (50-year flood). Flood waters begin to reach the Route 660 bridge on the north side of Covington and the North Williamson Road bridge just south of Covington.
- 16 ftFlood waters begin to reach the Spencer Road Bridge.
- 14 ftFEMA 10% Annunal Chance Flood Level (10-year flood).
- 12 ftWater begins to affect several homes and a business along business Route 15 south of the city of Mansfield next to Canoe Creek.
Highest crests on record
- 20.13 ft — September 25, 1975
- 18.87 ft — January 19, 1996
- 18.57 ft — August 18, 1994
- 17.98 ft — June 22, 1972
- 16.5 ft — December 2, 1996
Recent crests: 12.19 ft (August 9, 2024) · 13.08 ft (September 8, 2011) · 12.3 ft (April 2, 2005) · 9.09 ft (January 14, 2005) · 14.21 ft (September 18, 2004)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MFDP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.