Schuylkill River at Norristown, PA
River level and flood forecast · Montgomery County
Normal9.4 ftas of Mon 4:30 PM
The river is 3.6 ft below flood stage (13 ft).
Forecast to fall to 8.3 ft by Thu, Oct 15, 2 PM.
Flow: 6,600 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 3:02 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 19 ft |
| Moderate flood stage | 17 ft |
| Flood stage | 13 ft |
| Action stage | 12 ft |
| Record crest (September 2, 2021) | 26.85 ft |
What floods at each level
From the National Weather Service, highest first.
- 26 ftAdditional Flooding occurs in Bridgeport. Floodwaters extend all the way up to 4th Street. First floors of residential and commercial properties are inundated. The bridges between Norristown and Bridgeport are closed.
- 24 ftFlooding begins in Bridgeport.
- 21 ftAbrams Road is closed in Upper Merion from Hamlet Circle to the Abrams Yard driveway.
- 19.1 ftFlooding occurs along portions of Sterigere St. between Stangridge St. and Harding Blvd. Portions of the PAL building, Band Shell and Elmwood Park Zoo in Norristown are flooded. East Washington St. and East Lafayette St. near Sawmill Run in Norristown begins to flood. Dekalb St. train underpass, the sewer treatment facility and the SEPTA R-6 regional railtracks below Ford St. in Norristown are flooded. Businesses and industry at Station Road off of Conshohocken Road in Plymouth Township begins to flood.
- 19 ftFlooding occurs at Riverfront Park in Norristown blocking the entrance way. Apartment parking lots are flooded on Dekalb Street in Norristown. Water also begins to enter the parking lots at the Riverside Apartments. Businesses and industry along Dekalb Street and on east Washington Street in Norristown begin to flood. Stoney Creek begins to back up. Saw Mill Run starts to flood. The intersection of Water and Lafayette Streets in Norristown is flooded, affecting businesses.
- 17 ftA couple industries along the river begin to have flood problems. Water begins to cover rails in Conshohocken. Septa tracks at Mogees in Plymouth Township begin to flood. Ross Street in Plymouth Township at the Sewer Authority Plant floods under the railroad bridge and bike trail. Flooding also occurs along Diamond Run at Station Road (in Plymouth Township off of Conshohocken Road) due to high and backwater effects.
- 16 ftThe Upper Merion Boathouse starts to flood.
- 15 ftRiver Road in West Conshohocken begins to flood. River Road in Philadelphia also begins to flood. The lower garages at the Riverview Landing and the Lofts at Valley Forge start to take on water. The lower section of Port Indian Road in West Norriton becomes impassable.
- 13 ftWater begins to cover and close Riverview Boulevard in West Norriton.
- 12.5 ftFlooding occurs in West Norriton. The West Indian Lane bridge begins to flood.
Highest crests on record
- 26.85 ft — September 2, 2021
- 25.1 ft — June 23, 1972
- 22 ft — September 17, 1999
- 21 ft — August 24, 1933
- 20.81 ft — May 1, 2014
Recent crests: 16.29 ft (January 10, 2024) · 14.94 ft (December 28, 2023) · 15.85 ft (December 18, 2023) · 13.66 ft (April 8, 2022) · 26.85 ft (September 2, 2021)
Up and down the river, and nearby
- UpstreamSchuylkill River at Pottstown, PA
- DownstreamSchuylkill River at Philadelphia, PA
- Valley Creek at PA Turnpike Bridge near Valley Forge, PA
- Perkiomen Creek at Graterford, PA
- East Branch Perkiomen Creek at Schwenksville, PA
- Cobbs Creek at Mt. Moriah Cemetery, PA
- Schuylkill River near Philadelphia near 30th Street, PA
- Frankford Creek at Philadelphia, PA
- Darby Creek at 84th Street Bridge at Eastwick, PA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (NRSP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.