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Hydrograph River at a Glance Download
Schuylkill River at Philadelphia Stage (ft)Flow (kcfs)Observed: 6.62 ft at 1:00AM Apr 17, 2021Observed: 6.61 ft at 1:30AM Apr 17, 2021Observed: 6.62 ft at 2:00AM Apr 17, 2021Observed: 6.61 ft at 2:30AM Apr 17, 2021Observed: 6.62 ft at 3:00AM Apr 17, 2021Observed: 6.61 ft at 3:30AM Apr 17, 2021Observed: 6.62 ft at 4:00AM Apr 17, 2021Observed: 6.61 ft at 4:30AM Apr 17, 2021Observed: 6.61 ft at 5:00AM Apr 17, 2021Observed: 6.61 ft at 5:30AM Apr 17, 2021Observed: 6.62 ft at 6:00AM Apr 17, 2021Observed: 6.61 ft at 6:30AM Apr 17, 2021Observed: 6.61 ft at 7:00AM Apr 17, 2021Observed: 6.62 ft at 7:30AM Apr 17, 2021Observed: 6.61 ft at 8:00AM Apr 17, 2021Observed: 6.62 ft at 8:30AM Apr 17, 2021Highest Observation: 6.63 ft at 9:00AM Apr 17, 2021Highest Observation: 6.63 ft at 9:30AM Apr 17, 2021Observed: 6.62 ft at 10:00AM Apr 17, 2021Highest Observation: 6.63 ft at 10:30AM Apr 17, 2021Observed: 6.61 ft at 11:00AM Apr 17, 2021Observed: 6.61 ft at 11:30AM Apr 17, 2021Observed: 6.62 ft at 12:00PM Apr 17, 2021Observed: 6.6 ft at 12:30PM Apr 17, 2021Observed: 6.58 ft at 1:00PM Apr 17, 2021Observed: 6.6 ft at 1:30PM Apr 17, 2021Observed: 6.59 ft at 2:00PM Apr 17, 2021Observed: 6.6 ft at 2:30PM Apr 17, 2021Observed: 6.61 ft at 3:00PM Apr 17, 2021Observed: 6.6 ft at 3:30PM Apr 17, 2021Observed: 6.6 ft at 4:00PM Apr 17, 2021Observed: 6.6 ft at 4:30PM Apr 17, 2021Observed: 6.6 ft at 5:00PM Apr 17, 2021Observed: 6.59 ft at 5:30PM Apr 17, 2021Observed: 6.6 ft at 6:00PM Apr 17, 2021Observed: 6.6 ft at 6:30PM Apr 17, 2021Observed: 6.59 ft at 7:00PM Apr 17, 2021Observed: 6.59 ft at 7:30PM Apr 17, 2021Observed: 6.59 ft at 8:00PM Apr 17, 2021Observed: 6.58 ft at 8:30PM Apr 17, 2021Observed: 6.58 ft at 9:00PM Apr 17, 2021Observed: 6.57 ft at 9:30PM Apr 17, 2021Observed: 6.57 ft at 10:00PM Apr 17, 2021Observed: 6.56 ft at 10:30PM Apr 17, 2021Observed: 6.56 ft at 11:00PM Apr 17, 2021Observed: 6.56 ft at 11:30PM Apr 17, 2021Observed: 6.56 ft at 12:00AM Apr 18, 2021Observed: 6.55 ft at 12:30AM Apr 18, 2021Observed: 6.56 ft at 1:00AM Apr 18, 2021Observed: 6.56 ft at 1:30AM Apr 18, 2021Observed: 6.56 ft at 2:00AM Apr 18, 2021Observed: 6.57 ft at 2:30AM Apr 18, 2021Observed: 6.56 ft at 3:00AM Apr 18, 2021Observed: 6.57 ft at 3:30AM Apr 18, 2021Observed: 6.58 ft at 4:00AM Apr 18, 2021Observed: 6.57 ft at 4:30AM Apr 18, 2021Observed: 6.57 ft at 5:00AM Apr 18, 2021Observed: 6.57 ft at 5:30AM Apr 18, 2021Observed: 6.57 ft at 6:00AM Apr 18, 2021Observed: 6.58 ft at 6:30AM Apr 18, 2021Observed: 6.58 ft at 7:00AM Apr 18, 2021Observed: 6.58 ft at 7:30AM Apr 18, 2021Observed: 6.57 ft at 8:00AM Apr 18, 2021Observed: 6.57 ft at 8:30AM Apr 18, 2021Observed: 6.57 ft at 9:00AM Apr 18, 2021Observed: 6.57 ft at 9:30AM Apr 18, 2021Observed: 6.58 ft at 10:00AM Apr 18, 2021Observed: 6.57 ft at 10:30AM Apr 18, 2021Observed: 6.57 ft at 11:00AM Apr 18, 2021Observed: 6.57 ft at 11:30AM Apr 18, 2021Observed: 6.56 ft at 12:00PM Apr 18, 2021Observed: 6.57 ft at 12:30PM Apr 18, 2021Observed: 6.57 ft at 1:00PM Apr 18, 2021Observed: 6.56 ft at 1:30PM Apr 18, 2021Observed: 6.56 ft at 2:00PM Apr 18, 2021Observed: 6.56 ft at 2:30PM Apr 18, 2021Observed: 6.56 ft at 3:00PM Apr 18, 2021Observed: 6.55 ft at 3:30PM Apr 18, 2021Observed: 6.56 ft at 4:00PM Apr 18, 2021Observed: 6.56 ft at 4:30PM Apr 18, 2021Observed: 6.55 ft at 5:00PM Apr 18, 2021Observed: 6.56 ft at 5:30PM Apr 18, 2021Observed: 6.56 ft at 6:00PM Apr 18, 2021Observed: 6.56 ft at 6:30PM Apr 18, 2021Observed: 6.55 ft at 7:00PM Apr 18, 2021Observed: 6.55 ft at 7:30PM Apr 18, 2021Observed: 6.55 ft at 8:00PM Apr 18, 2021Observed: 6.55 ft at 8:30PM Apr 18, 2021Observed: 6.55 ft at 9:00PM Apr 18, 2021Observed: 6.55 ft at 9:30PM Apr 18, 2021Observed: 6.55 ft at 10:00PM Apr 18, 2021Observed: 6.54 ft at 10:30PM Apr 18, 2021Observed: 6.54 ft at 11:00PM Apr 18, 2021Observed: 6.54 ft at 11:30PM Apr 18, 2021Observed: 6.53 ft at 12:00AM Apr 19, 2021Observed: 6.52 ft at 12:30AM Apr 19, 2021Observed: 6.51 ft at 1:00AM Apr 19, 2021Observed: 6.52 ft at 1:30AM Apr 19, 2021Observed: 6.51 ft at 2:00AM Apr 19, 2021Observed: 6.52 ft at 2:30AM Apr 19, 2021Observed: 6.51 ft at 3:00AM Apr 19, 2021Observed: 6.51 ft at 3:30AM Apr 19, 2021Observed: 6.51 ft at 4:00AM Apr 19, 2021Observed: 6.51 ft at 4:30AM Apr 19, 2021Observed: 6.51 ft at 5:00AM Apr 19, 2021Observed: 6.51 ft at 5:30AM Apr 19, 2021Observed: 6.51 ft at 6:00AM Apr 19, 2021Observed: 6.51 ft at 6:30AM Apr 19, 2021Observed: 6.51 ft at 7:00AM Apr 19, 2021Observed: 6.52 ft at 7:30AM Apr 19, 2021Observed: 6.52 ft at 8:00AM Apr 19, 2021Observed: 6.52 ft at 8:30AM Apr 19, 2021Observed: 6.53 ft at 9:00AM Apr 19, 2021Observed: 6.53 ft at 9:30AM Apr 19, 2021Observed: 6.53 ft at 10:00AM Apr 19, 2021Observed: 6.53 ft at 10:30AM Apr 19, 2021Observed: 6.53 ft at 11:00AM Apr 19, 2021Observed: 6.53 ft at 11:30AM Apr 19, 2021Observed: 6.52 ft at 12:00PM Apr 19, 2021Observed: 6.53 ft at 12:30PM Apr 19, 2021Observed: 6.52 ft at 1:00PM Apr 19, 2021Observed: 6.52 ft at 1:30PM Apr 19, 2021Observed: 6.51 ft at 2:00PM Apr 19, 2021Observed: 6.52 ft at 2:30PM Apr 19, 2021Observed: 6.51 ft at 3:00PM Apr 19, 2021Observed: 6.51 ft at 3:30PM Apr 19, 2021Observed: 6.52 ft at 4:00PM Apr 19, 2021Observed: 6.52 ft at 4:30PM Apr 19, 2021Observed: 6.51 ft at 5:00PM Apr 19, 2021Observed: 6.52 ft at 5:30PM Apr 19, 2021Observed: 6.52 ft at 6:00PM Apr 19, 2021Observed: 6.52 ft at 6:30PM Apr 19, 2021Observed: 6.53 ft at 7:00PM Apr 19, 2021Observed: 6.52 ft at 7:30PM Apr 19, 2021Observed: 6.52 ft at 8:00PM Apr 19, 2021Observed: 6.51 ft at 8:30PM Apr 19, 2021Observed: 6.51 ft at 9:00PM Apr 19, 2021Observed: 6.5 ft at 9:30PM Apr 19, 2021Observed: 6.5 ft at 10:00PM Apr 19, 2021Observed: 6.49 ft at 10:30PM Apr 19, 2021Observed: 6.49 ft at 11:00PM Apr 19, 2021Observed: 6.49 ft at 11:30PM Apr 19, 2021Observed: 6.49 ft at 12:00AM Apr 20, 2021Forecast: 6.5 ft 2:00AM Apr 20, 2021Forecast: 6.5 ft 8:00AM Apr 20, 2021Forecast: 6.5 ft 2:00PM Apr 20, 2021Forecast: 6.5 ft 8:00PM Apr 20, 2021Forecast: 6.4 ft 2:00AM Apr 21, 2021Forecast: 6.4 ft 8:00AM Apr 21, 2021Forecast: 6.4 ft 2:00PM Apr 21, 2021Forecast: 6.5 ft 8:00PM Apr 21, 2021Highest Forecast: 6.6 ft 2:00AM Apr 22, 2021Forecast: 6.5 ft 8:00AM Apr 22, 2021USGS--Water Resources of the United StatesPADP1(plotting HGIRG) Graph Created (12:48AM Apr 20, 2021)ObservedForecast (issued 9:22AM Apr 19)Latest observed value: 6.49 ft at 12:00 AM EDT 20-Apr-2021. Flood Stage is 11 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Schuylkill River at Philadelphia are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Norristown Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 15.5
Moderate Flood Stage: 13
Flood Stage: 11
Action Stage: 10
Low Stage (in feet): 0

Historic Crests
(1) 17.00 ft on 10/04/1869
(2) 14.80 ft on 03/01/1902
(3) 14.70 ft on 08/24/1933
(4) 14.65 ft on 06/23/1972
(5) 14.57 ft on 06/02/1946
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.01 ft on 12/25/2020
(2) 13.28 ft on 08/05/2020
(3) 11.58 ft on 07/12/2019
(4) 13.91 ft on 05/01/2014
(5) 12.01 ft on 09/07/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 5.40 ft on 09/02/1966
(2) 5.50 ft on 07/29/1965

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
13 Main Street in Manayunk is closed from Ridge Avenue to Leverington Street.
12 Main Street in Manayunk floods in the area of Shurs Lane.
11.5 Route 1 off ramp to Ridge Avenue is flooded and closed. MLK Drive is flooded and closed between Greenland Drive and Montgomery Drive.
11 Kelly Drive is flooded and closed between Hunting Park Avenue and Falls Bridge. The Flat Rock area is flooded.
10.4 Kelly Drive is flooded and closed between North Ferry Road and Falls Bridge.
About This Location Collapse

Latitude: 39.967778° N, Longitude: 75.188889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 11 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 5.74 ft 16.74 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) 7 Day (NAEFS) 7 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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