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FloodSmart
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Hydrograph River at a Glance Download
Schuylkill River at Philadelphia Stage (ft)Flow (kcfs)Observed: 7.27 ft at 10:00PM Aug 17, 2018Observed: 7.26 ft at 10:30PM Aug 17, 2018Observed: 7.25 ft at 11:00PM Aug 17, 2018Observed: 7.25 ft at 11:30PM Aug 17, 2018Observed: 7.25 ft at 12:00AM Aug 18, 2018Observed: 7.24 ft at 12:30AM Aug 18, 2018Observed: 7.23 ft at 1:00AM Aug 18, 2018Observed: 7.22 ft at 1:30AM Aug 18, 2018Observed: 7.22 ft at 2:00AM Aug 18, 2018Observed: 7.22 ft at 2:30AM Aug 18, 2018Observed: 7.21 ft at 3:00AM Aug 18, 2018Observed: 7.2 ft at 3:30AM Aug 18, 2018Observed: 7.19 ft at 4:00AM Aug 18, 2018Observed: 7.19 ft at 4:30AM Aug 18, 2018Observed: 7.17 ft at 5:00AM Aug 18, 2018Observed: 7.16 ft at 5:30AM Aug 18, 2018Observed: 7.17 ft at 6:00AM Aug 18, 2018Observed: 7.16 ft at 6:30AM Aug 18, 2018Observed: 7.16 ft at 7:00AM Aug 18, 2018Observed: 7.16 ft at 7:30AM Aug 18, 2018Observed: 7.17 ft at 8:00AM Aug 18, 2018Observed: 7.17 ft at 8:30AM Aug 18, 2018Observed: 7.18 ft at 9:00AM Aug 18, 2018Observed: 7.2 ft at 9:30AM Aug 18, 2018Observed: 7.21 ft at 10:00AM Aug 18, 2018Observed: 7.23 ft at 10:30AM Aug 18, 2018Observed: 7.25 ft at 11:00AM Aug 18, 2018Observed: 7.28 ft at 11:30AM Aug 18, 2018Observed: 7.29 ft at 12:00PM Aug 18, 2018Observed: 7.32 ft at 12:30PM Aug 18, 2018Observed: 7.34 ft at 1:00PM Aug 18, 2018Observed: 7.36 ft at 1:30PM Aug 18, 2018Observed: 7.37 ft at 2:00PM Aug 18, 2018Observed: 7.39 ft at 2:30PM Aug 18, 2018Observed: 7.39 ft at 3:00PM Aug 18, 2018Observed: 7.41 ft at 3:30PM Aug 18, 2018Observed: 7.42 ft at 4:00PM Aug 18, 2018Observed: 7.42 ft at 4:30PM Aug 18, 2018Highest Observation: 7.46 ft at 5:00PM Aug 18, 2018Observed: 7.44 ft at 5:30PM Aug 18, 2018Observed: 7.43 ft at 6:00PM Aug 18, 2018Observed: 7.42 ft at 6:30PM Aug 18, 2018Observed: 7.41 ft at 7:00PM Aug 18, 2018Observed: 7.4 ft at 7:30PM Aug 18, 2018Observed: 7.39 ft at 8:00PM Aug 18, 2018Observed: 7.38 ft at 8:30PM Aug 18, 2018Observed: 7.36 ft at 9:00PM Aug 18, 2018Observed: 7.34 ft at 9:30PM Aug 18, 2018Observed: 7.32 ft at 10:00PM Aug 18, 2018Observed: 7.31 ft at 10:30PM Aug 18, 2018Observed: 7.29 ft at 11:00PM Aug 18, 2018Observed: 7.29 ft at 11:30PM Aug 18, 2018Observed: 7.28 ft at 12:00AM Aug 19, 2018Observed: 7.27 ft at 12:30AM Aug 19, 2018Observed: 7.26 ft at 1:00AM Aug 19, 2018Observed: 7.24 ft at 1:30AM Aug 19, 2018Observed: 7.24 ft at 2:00AM Aug 19, 2018Observed: 7.23 ft at 2:30AM Aug 19, 2018Observed: 7.22 ft at 3:00AM Aug 19, 2018Observed: 7.21 ft at 3:30AM Aug 19, 2018Observed: 7.21 ft at 4:00AM Aug 19, 2018Observed: 7.2 ft at 4:30AM Aug 19, 2018Observed: 7.19 ft at 5:00AM Aug 19, 2018Observed: 7.19 ft at 5:30AM Aug 19, 2018Observed: 7.18 ft at 6:00AM Aug 19, 2018Observed: 7.17 ft at 6:30AM Aug 19, 2018Observed: 7.16 ft at 7:00AM Aug 19, 2018Observed: 7.17 ft at 7:30AM Aug 19, 2018Observed: 7.17 ft at 8:00AM Aug 19, 2018Observed: 7.16 ft at 8:30AM Aug 19, 2018Observed: 7.15 ft at 9:00AM Aug 19, 2018Observed: 7.16 ft at 9:30AM Aug 19, 2018Observed: 7.16 ft at 10:00AM Aug 19, 2018Observed: 7.18 ft at 10:30AM Aug 19, 2018Observed: 7.21 ft at 11:00AM Aug 19, 2018Observed: 7.24 ft at 11:30AM Aug 19, 2018Observed: 7.25 ft at 12:00PM Aug 19, 2018Observed: 7.27 ft at 12:30PM Aug 19, 2018Observed: 7.28 ft at 1:00PM Aug 19, 2018Observed: 7.29 ft at 1:30PM Aug 19, 2018Observed: 7.28 ft at 2:00PM Aug 19, 2018Observed: 7.28 ft at 2:30PM Aug 19, 2018Observed: 7.28 ft at 3:00PM Aug 19, 2018Observed: 7.27 ft at 3:30PM Aug 19, 2018Observed: 7.27 ft at 4:00PM Aug 19, 2018Observed: 7.25 ft at 4:30PM Aug 19, 2018Observed: 7.24 ft at 5:00PM Aug 19, 2018Observed: 7.23 ft at 5:30PM Aug 19, 2018Observed: 7.23 ft at 6:00PM Aug 19, 2018Observed: 7.21 ft at 6:30PM Aug 19, 2018Observed: 7.2 ft at 7:00PM Aug 19, 2018Observed: 7.19 ft at 7:30PM Aug 19, 2018Observed: 7.18 ft at 8:00PM Aug 19, 2018Observed: 7.17 ft at 8:30PM Aug 19, 2018Observed: 7.16 ft at 9:00PM Aug 19, 2018Observed: 7.17 ft at 9:30PM Aug 19, 2018Observed: 7.16 ft at 10:00PM Aug 19, 2018Observed: 7.16 ft at 10:30PM Aug 19, 2018Observed: 7.17 ft at 11:00PM Aug 19, 2018Observed: 7.17 ft at 11:30PM Aug 19, 2018Observed: 7.19 ft at 12:00AM Aug 20, 2018Observed: 7.2 ft at 12:30AM Aug 20, 2018Observed: 7.2 ft at 1:00AM Aug 20, 2018Observed: 7.21 ft at 1:30AM Aug 20, 2018Observed: 7.22 ft at 2:00AM Aug 20, 2018Observed: 7.23 ft at 2:30AM Aug 20, 2018Observed: 7.23 ft at 3:00AM Aug 20, 2018Observed: 7.23 ft at 3:30AM Aug 20, 2018Observed: 7.23 ft at 4:00AM Aug 20, 2018Observed: 7.23 ft at 4:30AM Aug 20, 2018Observed: 7.23 ft at 5:00AM Aug 20, 2018Observed: 7.23 ft at 5:30AM Aug 20, 2018Observed: 7.22 ft at 6:00AM Aug 20, 2018Observed: 7.22 ft at 6:30AM Aug 20, 2018Observed: 7.21 ft at 7:00AM Aug 20, 2018Observed: 7.2 ft at 7:30AM Aug 20, 2018Observed: 7.19 ft at 8:00AM Aug 20, 2018Observed: 7.2 ft at 8:30AM Aug 20, 2018Observed: 7.19 ft at 9:00AM Aug 20, 2018Observed: 7.19 ft at 9:30AM Aug 20, 2018Observed: 7.19 ft at 10:00AM Aug 20, 2018Observed: 7.18 ft at 10:30AM Aug 20, 2018Observed: 7.17 ft at 11:00AM Aug 20, 2018Observed: 7.17 ft at 11:30AM Aug 20, 2018Observed: 7.17 ft at 12:00PM Aug 20, 2018Observed: 7.16 ft at 12:30PM Aug 20, 2018Observed: 7.16 ft at 1:00PM Aug 20, 2018Observed: 7.16 ft at 1:30PM Aug 20, 2018Observed: 7.16 ft at 2:00PM Aug 20, 2018Observed: 7.16 ft at 2:30PM Aug 20, 2018Observed: 7.15 ft at 3:00PM Aug 20, 2018Observed: 7.15 ft at 3:30PM Aug 20, 2018Observed: 7.15 ft at 4:00PM Aug 20, 2018Observed: 7.15 ft at 4:30PM Aug 20, 2018Observed: 7.14 ft at 5:00PM Aug 20, 2018Observed: 7.14 ft at 5:30PM Aug 20, 2018Observed: 7.14 ft at 6:00PM Aug 20, 2018Observed: 7.14 ft at 6:30PM Aug 20, 2018Observed: 7.13 ft at 7:00PM Aug 20, 2018Observed: 7.13 ft at 7:30PM Aug 20, 2018Observed: 7.13 ft at 8:00PM Aug 20, 2018Forecast: 6.9 ft 2:00AM Aug 21, 2018Forecast: 6.9 ft 8:00AM Aug 21, 2018Forecast: 6.8 ft 2:00PM Aug 21, 2018Forecast: 6.8 ft 8:00PM Aug 21, 2018Forecast: 6.8 ft 2:00AM Aug 22, 2018Forecast: 6.9 ft 8:00AM Aug 22, 2018Forecast: 7 ft 2:00PM Aug 22, 2018Forecast: 7.1 ft 8:00PM Aug 22, 2018Forecast: 7.1 ft 2:00AM Aug 23, 2018Highest Forecast: 7.2 ft 8:00AM Aug 23, 2018USGS--Water Resources of the United StatesPADP1(plotting HGIRG) Graph Created (9:33PM Aug 20, 2018)ObservedForecast (issued 10:31AM Aug 20)Latest observed value: 7.13 ft at 8:00 PM EDT 20-Aug-2018. 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.
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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) 13.91 ft on 05/01/2014
(2) 12.01 ft on 09/07/2011
(3) 13.56 ft on 08/28/2011
(4) 11.03 ft on 03/11/2011
(5) 13.10 ft on 10/01/2010
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
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

Click individual graphics to enlarge.

ESP Expected Values plot
Probabilistic QPF Trace Ensemble
River Level Exceedence Chart
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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