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Hydrograph River at a Glance Download
Schuylkill River at Norristown Stage (ft)Flow (kcfs)Highest Observation: 8.58 ft at 7:45PM Apr 21, 2024Highest Observation: 8.58 ft at 8:00PM Apr 21, 2024Highest Observation: 8.58 ft at 8:15PM Apr 21, 2024Highest Observation: 8.58 ft at 8:30PM Apr 21, 2024Highest Observation: 8.58 ft at 8:45PM Apr 21, 2024Highest Observation: 8.58 ft at 9:15PM Apr 21, 2024Highest Observation: 8.58 ft at 9:30PM Apr 21, 2024Highest Observation: 8.58 ft at 9:45PM Apr 21, 2024Highest Observation: 8.58 ft at 10:00PM Apr 21, 2024Highest Observation: 8.58 ft at 10:15PM Apr 21, 2024Highest Observation: 8.58 ft at 10:30PM Apr 21, 2024Highest Observation: 8.58 ft at 10:45PM Apr 21, 2024Highest Observation: 8.58 ft at 11:00PM Apr 21, 2024Highest Observation: 8.58 ft at 11:15PM Apr 21, 2024Highest Observation: 8.58 ft at 11:30PM Apr 21, 2024Highest Observation: 8.58 ft at 11:45PM Apr 21, 2024Highest Observation: 8.58 ft at 12:00AM Apr 22, 2024Highest Observation: 8.58 ft at 12:15AM Apr 22, 2024Highest Observation: 8.58 ft at 12:30AM Apr 22, 2024Observed: 8.57 ft at 12:45AM Apr 22, 2024Highest Observation: 8.58 ft at 1:00AM Apr 22, 2024Highest Observation: 8.58 ft at 1:15AM Apr 22, 2024Highest Observation: 8.58 ft at 1:30AM Apr 22, 2024Highest Observation: 8.58 ft at 1:45AM Apr 22, 2024Observed: 8.57 ft at 2:00AM Apr 22, 2024Observed: 8.57 ft at 2:30AM Apr 22, 2024Observed: 8.57 ft at 2:45AM Apr 22, 2024Observed: 8.57 ft at 3:00AM Apr 22, 2024Observed: 8.57 ft at 3:15AM Apr 22, 2024Observed: 8.57 ft at 3:30AM Apr 22, 2024Observed: 8.57 ft at 3:45AM Apr 22, 2024Observed: 8.57 ft at 4:00AM Apr 22, 2024Observed: 8.57 ft at 4:15AM Apr 22, 2024Observed: 8.57 ft at 4:30AM Apr 22, 2024Observed: 8.57 ft at 4:45AM Apr 22, 2024Observed: 8.57 ft at 5:00AM Apr 22, 2024Observed: 8.57 ft at 5:15AM Apr 22, 2024Observed: 8.57 ft at 5:30AM Apr 22, 2024Observed: 8.57 ft at 5:45AM Apr 22, 2024Observed: 8.57 ft at 6:00AM Apr 22, 2024Observed: 8.57 ft at 6:15AM Apr 22, 2024Observed: 8.56 ft at 6:30AM Apr 22, 2024Observed: 8.57 ft at 6:45AM Apr 22, 2024Observed: 8.57 ft at 7:15AM Apr 22, 2024Observed: 8.56 ft at 7:30AM Apr 22, 2024Observed: 8.57 ft at 7:45AM Apr 22, 2024Observed: 8.56 ft at 8:00AM Apr 22, 2024Observed: 8.56 ft at 8:15AM Apr 22, 2024Observed: 8.56 ft at 8:30AM Apr 22, 2024Observed: 8.56 ft at 8:45AM Apr 22, 2024Observed: 8.56 ft at 9:15AM Apr 22, 2024Observed: 8.56 ft at 9:30AM Apr 22, 2024Observed: 8.56 ft at 9:45AM Apr 22, 2024Observed: 8.56 ft at 10:00AM Apr 22, 2024Observed: 8.55 ft at 10:15AM Apr 22, 2024Observed: 8.56 ft at 10:30AM Apr 22, 2024Observed: 8.55 ft at 10:45AM Apr 22, 2024Observed: 8.56 ft at 11:00AM Apr 22, 2024Observed: 8.57 ft at 11:15AM Apr 22, 2024Observed: 8.57 ft at 11:30AM Apr 22, 2024Observed: 8.56 ft at 11:45AM Apr 22, 2024Observed: 8.56 ft at 12:00PM Apr 22, 2024Observed: 8.56 ft at 12:15PM Apr 22, 2024Observed: 8.56 ft at 12:30PM Apr 22, 2024Observed: 8.56 ft at 12:45PM Apr 22, 2024Observed: 8.55 ft at 1:00PM Apr 22, 2024Observed: 8.56 ft at 1:15PM Apr 22, 2024Observed: 8.56 ft at 1:30PM Apr 22, 2024Observed: 8.56 ft at 1:45PM Apr 22, 2024Observed: 8.55 ft at 2:00PM Apr 22, 2024Observed: 8.57 ft at 2:15PM Apr 22, 2024Observed: 8.56 ft at 2:30PM Apr 22, 2024Observed: 8.55 ft at 2:45PM Apr 22, 2024Observed: 8.54 ft at 3:00PM Apr 22, 2024Observed: 8.56 ft at 3:15PM Apr 22, 2024Observed: 8.55 ft at 3:45PM Apr 22, 2024Observed: 8.56 ft at 4:00PM Apr 22, 2024Observed: 8.56 ft at 4:15PM Apr 22, 2024Observed: 8.56 ft at 4:30PM Apr 22, 2024Observed: 8.55 ft at 4:45PM Apr 22, 2024Observed: 8.55 ft at 5:00PM Apr 22, 2024Observed: 8.55 ft at 5:15PM Apr 22, 2024Observed: 8.55 ft at 5:30PM Apr 22, 2024Observed: 8.55 ft at 5:45PM Apr 22, 2024Observed: 8.55 ft at 6:00PM Apr 22, 2024Observed: 8.55 ft at 6:30PM Apr 22, 2024Observed: 8.55 ft at 6:45PM Apr 22, 2024Observed: 8.54 ft at 7:00PM Apr 22, 2024Observed: 8.55 ft at 7:15PM Apr 22, 2024Observed: 8.55 ft at 7:30PM Apr 22, 2024Observed: 8.54 ft at 7:45PM Apr 22, 2024Observed: 8.54 ft at 8:00PM Apr 22, 2024Observed: 8.54 ft at 8:15PM Apr 22, 2024Observed: 8.55 ft at 8:30PM Apr 22, 2024Observed: 8.54 ft at 8:45PM Apr 22, 2024Observed: 8.54 ft at 9:00PM Apr 22, 2024Observed: 8.54 ft at 9:15PM Apr 22, 2024Observed: 8.54 ft at 9:30PM Apr 22, 2024Observed: 8.54 ft at 9:45PM Apr 22, 2024Observed: 8.54 ft at 10:00PM Apr 22, 2024Observed: 8.54 ft at 10:15PM Apr 22, 2024Observed: 8.54 ft at 10:30PM Apr 22, 2024Observed: 8.54 ft at 10:45PM Apr 22, 2024Observed: 8.54 ft at 11:00PM Apr 22, 2024Observed: 8.54 ft at 11:15PM Apr 22, 2024Observed: 8.54 ft at 11:30PM Apr 22, 2024Observed: 8.54 ft at 11:45PM Apr 22, 2024Observed: 8.54 ft at 12:00AM Apr 23, 2024Observed: 8.54 ft at 12:15AM Apr 23, 2024Observed: 8.54 ft at 12:30AM Apr 23, 2024Observed: 8.54 ft at 12:45AM Apr 23, 2024Observed: 8.54 ft at 1:00AM Apr 23, 2024Observed: 8.54 ft at 1:15AM Apr 23, 2024Observed: 8.54 ft at 1:30AM Apr 23, 2024Observed: 8.54 ft at 1:45AM Apr 23, 2024Observed: 8.54 ft at 2:00AM Apr 23, 2024Observed: 8.54 ft at 2:15AM Apr 23, 2024Observed: 8.54 ft at 2:30AM Apr 23, 2024Observed: 8.54 ft at 2:45AM Apr 23, 2024Observed: 8.54 ft at 3:00AM Apr 23, 2024Observed: 8.54 ft at 3:15AM Apr 23, 2024Observed: 8.54 ft at 3:30AM Apr 23, 2024Observed: 8.54 ft at 3:45AM Apr 23, 2024Observed: 8.54 ft at 4:00AM Apr 23, 2024Observed: 8.53 ft at 4:15AM Apr 23, 2024Observed: 8.53 ft at 4:30AM Apr 23, 2024Observed: 8.53 ft at 4:45AM Apr 23, 2024Observed: 8.53 ft at 5:00AM Apr 23, 2024Observed: 8.53 ft at 5:15AM Apr 23, 2024Observed: 8.53 ft at 5:30AM Apr 23, 2024Observed: 8.53 ft at 5:45AM Apr 23, 2024Observed: 8.53 ft at 6:00AM Apr 23, 2024Observed: 8.53 ft at 6:15AM Apr 23, 2024Observed: 8.53 ft at 6:30AM Apr 23, 2024Observed: 8.53 ft at 6:45AM Apr 23, 2024Observed: 8.52 ft at 7:00AM Apr 23, 2024Observed: 8.52 ft at 7:15AM Apr 23, 2024Observed: 8.52 ft at 7:30AM Apr 23, 2024Observed: 8.52 ft at 7:45AM Apr 23, 2024Observed: 8.52 ft at 8:00AM Apr 23, 2024Observed: 8.52 ft at 8:15AM Apr 23, 2024Observed: 8.52 ft at 8:30AM Apr 23, 2024Observed: 8.52 ft at 8:45AM Apr 23, 2024Observed: 8.52 ft at 9:00AM Apr 23, 2024Observed: 8.52 ft at 9:15AM Apr 23, 2024Observed: 8.52 ft at 9:30AM Apr 23, 2024Observed: 8.52 ft at 9:45AM Apr 23, 2024Observed: 8.52 ft at 10:00AM Apr 23, 2024Observed: 8.52 ft at 10:15AM Apr 23, 2024Observed: 8.52 ft at 10:30AM Apr 23, 2024Observed: 8.52 ft at 10:45AM Apr 23, 2024Observed: 8.52 ft at 11:00AM Apr 23, 2024Observed: 8.52 ft at 11:15AM Apr 23, 2024Observed: 8.52 ft at 11:30AM Apr 23, 2024Observed: 8.52 ft at 11:45AM Apr 23, 2024Observed: 8.52 ft at 12:00PM Apr 23, 2024Observed: 8.52 ft at 12:15PM Apr 23, 2024Observed: 8.52 ft at 12:30PM Apr 23, 2024Observed: 8.52 ft at 12:45PM Apr 23, 2024Observed: 8.52 ft at 1:00PM Apr 23, 2024Observed: 8.52 ft at 1:15PM Apr 23, 2024Observed: 8.52 ft at 1:30PM Apr 23, 2024Observed: 8.52 ft at 1:45PM Apr 23, 2024Observed: 8.52 ft at 2:00PM Apr 23, 2024Observed: 8.53 ft at 2:15PM Apr 23, 2024Observed: 8.53 ft at 2:30PM Apr 23, 2024Observed: 8.52 ft at 2:45PM Apr 23, 2024Observed: 8.53 ft at 3:00PM Apr 23, 2024Observed: 8.52 ft at 3:15PM Apr 23, 2024Observed: 8.53 ft at 3:30PM Apr 23, 2024Observed: 8.52 ft at 3:45PM Apr 23, 2024Observed: 8.52 ft at 4:00PM Apr 23, 2024Observed: 8.51 ft at 4:15PM Apr 23, 2024Observed: 8.52 ft at 4:30PM Apr 23, 2024Observed: 8.52 ft at 4:45PM Apr 23, 2024Observed: 8.52 ft at 5:00PM Apr 23, 2024Observed: 8.53 ft at 5:15PM Apr 23, 2024Observed: 8.51 ft at 5:30PM Apr 23, 2024Observed: 8.52 ft at 5:45PM Apr 23, 2024Observed: 8.46 ft at 6:00PM Apr 23, 2024Observed: 8.52 ft at 6:15PM Apr 23, 2024Observed: 8.51 ft at 6:30PM Apr 23, 2024Observed: 8.52 ft at 6:45PM Apr 23, 2024Observed: 8.51 ft at 7:00PM Apr 23, 2024Observed: 8.51 ft at 7:15PM Apr 23, 2024Observed: 8.51 ft at 7:45PM Apr 23, 2024Observed: 8.52 ft at 8:00PM Apr 23, 2024Observed: 8.51 ft at 8:15PM Apr 23, 2024Observed: 8.5 ft at 8:30PM Apr 23, 2024Observed: 8.51 ft at 8:45PM Apr 23, 2024Observed: 8.5 ft at 9:00PM Apr 23, 2024Observed: 8.51 ft at 9:15PM Apr 23, 2024Observed: 8.51 ft at 9:30PM Apr 23, 2024Observed: 8.51 ft at 9:45PM Apr 23, 2024Observed: 8.5 ft at 10:00PM Apr 23, 2024Observed: 8.51 ft at 10:30PM Apr 23, 2024Observed: 8.51 ft at 10:45PM Apr 23, 2024Observed: 8.5 ft at 11:15PM Apr 23, 2024Observed: 8.5 ft at 11:30PM Apr 23, 2024Observed: 8.51 ft at 11:45PM Apr 23, 2024Observed: 8.51 ft at 12:00AM Apr 24, 2024Observed: 8.51 ft at 12:15AM Apr 24, 2024Observed: 8.51 ft at 12:30AM Apr 24, 2024Observed: 8.5 ft at 12:45AM Apr 24, 2024Observed: 8.5 ft at 1:00AM Apr 24, 2024Observed: 8.5 ft at 1:15AM Apr 24, 2024Observed: 8.5 ft at 1:30AM Apr 24, 2024Observed: 8.51 ft at 1:45AM Apr 24, 2024Observed: 8.51 ft at 2:15AM Apr 24, 2024Observed: 8.5 ft at 2:30AM Apr 24, 2024Observed: 8.51 ft at 2:45AM Apr 24, 2024Observed: 8.51 ft at 3:00AM Apr 24, 2024Observed: 8.5 ft at 3:15AM Apr 24, 2024Observed: 8.51 ft at 3:30AM Apr 24, 2024Observed: 8.5 ft at 3:45AM Apr 24, 2024Observed: 8.5 ft at 4:00AM Apr 24, 2024Observed: 8.5 ft at 4:15AM Apr 24, 2024Observed: 8.5 ft at 4:30AM Apr 24, 2024Observed: 8.5 ft at 4:45AM Apr 24, 2024Observed: 8.5 ft at 5:00AM Apr 24, 2024Observed: 8.5 ft at 5:15AM Apr 24, 2024Observed: 8.5 ft at 5:30AM Apr 24, 2024Observed: 8.5 ft at 5:45AM Apr 24, 2024Observed: 8.5 ft at 6:00AM Apr 24, 2024Observed: 8.5 ft at 6:15AM Apr 24, 2024Observed: 8.5 ft at 6:30AM Apr 24, 2024Observed: 8.5 ft at 6:45AM Apr 24, 2024Observed: 8.5 ft at 7:00AM Apr 24, 2024Observed: 8.5 ft at 7:15AM Apr 24, 2024Observed: 8.5 ft at 7:30AM Apr 24, 2024Observed: 8.5 ft at 7:45AM Apr 24, 2024Observed: 8.5 ft at 8:00AM Apr 24, 2024Observed: 8.5 ft at 8:15AM Apr 24, 2024Observed: 8.5 ft at 8:30AM Apr 24, 2024Observed: 8.5 ft at 8:45AM Apr 24, 2024Observed: 8.5 ft at 9:00AM Apr 24, 2024Observed: 8.5 ft at 9:15AM Apr 24, 2024Observed: 8.49 ft at 9:30AM Apr 24, 2024Observed: 8.51 ft at 9:45AM Apr 24, 2024Observed: 8.5 ft at 10:00AM Apr 24, 2024Observed: 8.49 ft at 10:15AM Apr 24, 2024Observed: 8.5 ft at 10:30AM Apr 24, 2024Observed: 8.5 ft at 10:45AM Apr 24, 2024Observed: 8.51 ft at 11:00AM Apr 24, 2024Observed: 8.5 ft at 11:15AM Apr 24, 2024Observed: 8.5 ft at 11:30AM Apr 24, 2024Observed: 8.51 ft at 11:45AM Apr 24, 2024Observed: 8.5 ft at 12:00PM Apr 24, 2024Observed: 8.51 ft at 12:15PM Apr 24, 2024Observed: 8.5 ft at 12:30PM Apr 24, 2024Observed: 8.5 ft at 12:45PM Apr 24, 2024Observed: 8.51 ft at 1:00PM Apr 24, 2024Observed: 8.51 ft at 1:15PM Apr 24, 2024Observed: 8.51 ft at 1:30PM Apr 24, 2024Observed: 8.51 ft at 1:45PM Apr 24, 2024Observed: 8.52 ft at 2:00PM Apr 24, 2024Observed: 8.51 ft at 2:15PM Apr 24, 2024Observed: 8.5 ft at 2:30PM Apr 24, 2024Observed: 8.49 ft at 2:45PM Apr 24, 2024Observed: 8.49 ft at 3:00PM Apr 24, 2024Observed: 8.5 ft at 3:15PM Apr 24, 2024Observed: 8.51 ft at 3:30PM Apr 24, 2024Observed: 8.49 ft at 3:45PM Apr 24, 2024Observed: 8.51 ft at 4:00PM Apr 24, 2024Observed: 8.5 ft at 4:15PM Apr 24, 2024Observed: 8.49 ft at 4:30PM Apr 24, 2024Observed: 8.49 ft at 4:45PM Apr 24, 2024Observed: 8.49 ft at 5:00PM Apr 24, 2024Observed: 8.5 ft at 5:15PM Apr 24, 2024Observed: 8.5 ft at 5:30PM Apr 24, 2024Observed: 8.48 ft at 5:45PM Apr 24, 2024Observed: 8.48 ft at 6:00PM Apr 24, 2024Observed: 8.48 ft at 6:15PM Apr 24, 2024Observed: 8.5 ft at 6:30PM Apr 24, 2024Highest Forecast: 8.5 ft 8:00PM Apr 24, 2024Highest Forecast: 8.5 ft 2:00AM Apr 25, 2024Highest Forecast: 8.5 ft 8:00AM Apr 25, 2024Highest Forecast: 8.5 ft 2:00PM Apr 25, 2024Forecast: 8.4 ft 8:00PM Apr 25, 2024Forecast: 8.4 ft 2:00AM Apr 26, 2024Forecast: 8.4 ft 8:00AM Apr 26, 2024Forecast: 8.4 ft 2:00PM Apr 26, 2024Forecast: 8.4 ft 8:00PM Apr 26, 2024Forecast: 8.4 ft 2:00AM Apr 27, 2024Forecast: 8.4 ft 8:00AM Apr 27, 2024USGS--Water Resources of the United StatesNRSP1(plotting HGIRG) Graph Created (7:33PM Apr 24, 2024)ObservedForecast (issued 9:21AM Apr 24)Latest observed value: 8.5 ft at 6:30 PM EDT 24-Apr-2024. Flood Stage is 13 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Schuylkill River at Norristown are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Pottstown Upstream Gauge Downstream Gauge Downstream Gauge - at Philadelphia
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 17
Flood Stage: 13
Action Stage: 12
Low Stage (in feet): -9999

Historic Crests
(1) 26.85 ft on 09/02/2021
(2) 25.10 ft on 06/23/1972
(3) 22.00 ft on 09/17/1999
(4) 21.00 ft on 08/24/1933
(5) 20.81 ft on 05/01/2014
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.29 ft on 01/10/2024
(2) 14.94 ft on 12/28/2023
(3) 15.85 ft on 12/18/2023
(4) 13.66 ft on 04/08/2022
(5) 26.85 ft on 09/02/2021
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
26 Additional 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 Flooding begins in Bridgeport.
21 Abrams Road is closed in Upper Merion from Hamlet Circle to the Abrams Yard driveway.
19.1 Flooding 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 Flooding 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 A 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 The Upper Merion Boathouse starts to flood.
15 River 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 Water begins to cover and close Riverview Boulevard in West Norriton.
12.5 Flooding occurs in West Norriton. The West Indian Lane bridge begins to flood.
About This Location Collapse

Latitude: 40.111111° N, Longitude: 75.347222° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 13 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 51.00 ft 64.00 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

During winter months, cold and ice may result in inaccurate real-time stream stage and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Philadelphia/Mount Holly Weather Forecast Office
732 Woodlane Road
Mount Holly, NJ 08060-9615
(609) 261-6600
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