Valley Creek at PA Turnpike Bridge near Valley Forge, PA
River level and flood forecast · Chester County
Normal3.5 ftas of Mon 3:30 PM
The river is 6.5 ft below flood stage (10 ft).
Flow: 35 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 | 16 ft |
| Moderate flood stage | 12 ft |
| Flood stage | 10 ft |
| Action stage | 7 ft |
| Record crest (September 1, 2021) | 16.44 ft |
What floods at each level
From the National Weather Service, highest first.
- 16 ftHistoric structures within the Valley Forge Park are subject to flooding. Water levels can be affected by backwater from the Schuylkill River.
- 14 ftWater is up to the Knox Covered Bridge on Yellow Springs Road. Yellow Springs Road is closed at Route 252. Internal park roads are closed at Valley Forge. Water levels can be affected by backwater from the Schuylkill River.
- 12 ftRoute 252 closes between the PA Turnpike and Route 23. Water levels can be affected by backwater from the Schuylkill River.
- 10 ftFlooding closes the Valley Creek Trail.
- 7 ftThe creek floods adjacent open land.
Highest crests on record
- 16.44 ft — September 1, 2021
- 14.75 ft — September 16, 1999
- 13.21 ft — August 28, 2011
- 13.15 ft — August 4, 2020
- 12.61 ft — August 19, 2021
Recent crests: 10.13 ft (January 10, 2024) · 16.44 ft (September 1, 2021) · 12.61 ft (August 19, 2021) · 13.15 ft (August 4, 2020) · 10.33 ft (August 13, 2018)
Up and down the river, and nearby
- Schuylkill River at Norristown, PA
- Perkiomen Creek at Graterford, PA
- East Branch Perkiomen Creek at Schwenksville, PA
- East Branch Brandywine Creek below Downingtown, PA
- Chester Creek near Chester, PA
- Schuylkill River at Pottstown, PA
- Cobbs Creek at Mt. Moriah Cemetery, PA
- Brandywine Creek at Chadds Ford, PA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (VFGP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.