Girty's Run at Girty's Run, PA
River level and flood forecast · Allegheny County
Normal2.7 ftas of Mon 4:30 PM
The river is 8.3 ft below flood stage (11 ft).
Flow: 42 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 18 ft |
| Moderate flood stage | 14 ft |
| Flood stage | 11 ft |
| Action stage | 8 ft |
| Record crest (July 5, 2018) | 13.56 ft |
What floods at each level
From the National Weather Service, highest first.
- 21 ftCrest during Hurricane Ivan flood.
- 18.6 ftWater flows into parking lot near gage
- 16.8 ftWater reaches top of high concrete project wall at gage site
- 16.5 ftWater reaches surface of Grant Street bridge
- 13.7 ftWater reaches the bottom of the upstream side of Grant Street bridge deck
- 11 ftWater reaches gazebo garden near first house below gage
- 10.8 ftWater reaches top of stone wall just downstream of gage
Highest crests on record
- 13.56 ft — July 5, 2018
- 12.26 ft — July 11, 2019
- 12.17 ft — September 1, 2021
- 8.59 ft — August 21, 2022
- 5.29 ft — June 3, 2010
Recent crests: 8.59 ft (August 21, 2022) · 12.17 ft (September 1, 2021) · 12.26 ft (July 11, 2019) · 13.56 ft (July 5, 2018) · 5.29 ft (June 3, 2010)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GTYP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.