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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...
Weather Forecast Office Philadelphia/Mount Holly, NJ Middle Atlantic River Forecast Center
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Schuylkill River at Philadelphia Stage (ft)Flow (kcfs)Highest Observation: 6.29 ft at 9:00AM May 18, 2013Highest Observation: 6.29 ft at 9:30AM May 18, 2013Highest Observation: 6.29 ft at 10:00AM May 18, 2013Highest Observation: 6.29 ft at 10:30AM May 18, 2013Highest Observation: 6.29 ft at 11:00AM May 18, 2013Highest Observation: 6.29 ft at 11:30AM May 18, 2013Highest Observation: 6.29 ft at 12:00PM May 18, 2013Observed: 6.28 ft at 12:30PM May 18, 2013Observed: 6.28 ft at 12:31PM May 18, 2013Observed: 6.28 ft at 1:00PM May 18, 2013Observed: 6.28 ft at 1:01PM May 18, 2013Observed: 6.28 ft at 1:30PM May 18, 2013Observed: 6.28 ft at 2:00PM May 18, 2013Observed: 6.28 ft at 2:30PM May 18, 2013Observed: 6.27 ft at 3:00PM May 18, 2013Observed: 6.27 ft at 3:30PM May 18, 2013Observed: 6.27 ft at 4:00PM May 18, 2013Observed: 6.27 ft at 4:30PM May 18, 2013Observed: 6.27 ft at 5:00PM May 18, 2013Observed: 6.27 ft at 5:30PM May 18, 2013Observed: 6.27 ft at 6:00PM May 18, 2013Observed: 6.27 ft at 6:30PM May 18, 2013Observed: 6.27 ft at 7:00PM May 18, 2013Observed: 6.27 ft at 7:30PM May 18, 2013Observed: 6.27 ft at 8:00PM May 18, 2013Observed: 6.27 ft at 8:30PM May 18, 2013Observed: 6.27 ft at 9:00PM May 18, 2013Observed: 6.27 ft at 9:30PM May 18, 2013Observed: 6.28 ft at 10:00PM May 18, 2013Observed: 6.28 ft at 10:30PM May 18, 2013Observed: 6.27 ft at 11:30PM May 18, 2013Observed: 6.27 ft at 12:00AM May 19, 2013Observed: 6.27 ft at 12:30AM May 19, 2013Observed: 6.27 ft at 1:00AM May 19, 2013Observed: 6.27 ft at 1:30AM May 19, 2013Observed: 6.27 ft at 2:00AM May 19, 2013Observed: 6.27 ft at 2:30AM May 19, 2013Observed: 6.27 ft at 3:00AM May 19, 2013Observed: 6.27 ft at 3:30AM May 19, 2013Observed: 6.26 ft at 4:00AM May 19, 2013Observed: 6.26 ft at 4:30AM May 19, 2013Observed: 6.26 ft at 5:00AM May 19, 2013Observed: 6.26 ft at 5:30AM May 19, 2013Observed: 6.26 ft at 6:00AM May 19, 2013Observed: 6.26 ft at 6:30AM May 19, 2013Observed: 6.26 ft at 7:00AM May 19, 2013Observed: 6.27 ft at 7:30AM May 19, 2013Observed: 6.27 ft at 8:00AM May 19, 2013Observed: 6.27 ft at 8:30AM May 19, 2013Observed: 6.28 ft at 9:00AM May 19, 2013Observed: 6.27 ft at 9:30AM May 19, 2013Observed: 6.27 ft at 10:00AM May 19, 2013Observed: 6.27 ft at 10:30AM May 19, 2013Observed: 6.27 ft at 11:00AM May 19, 2013Observed: 6.27 ft at 11:30AM May 19, 2013Observed: 6.27 ft at 12:00PM May 19, 2013Observed: 6.27 ft at 12:30PM May 19, 2013Observed: 6.27 ft at 1:00PM May 19, 2013Observed: 6.26 ft at 1:30PM May 19, 2013Observed: 6.26 ft at 2:00PM May 19, 2013Observed: 6.26 ft at 2:30PM May 19, 2013Observed: 6.26 ft at 3:00PM May 19, 2013Observed: 6.26 ft at 3:30PM May 19, 2013Observed: 6.26 ft at 4:00PM May 19, 2013Observed: 6.26 ft at 4:30PM May 19, 2013Observed: 6.26 ft at 5:00PM May 19, 2013Observed: 6.26 ft at 5:30PM May 19, 2013Observed: 6.26 ft at 6:00PM May 19, 2013Observed: 6.26 ft at 6:30PM May 19, 2013Observed: 6.26 ft at 7:00PM May 19, 2013Observed: 6.26 ft at 7:30PM May 19, 2013Observed: 6.26 ft at 8:00PM May 19, 2013Observed: 6.26 ft at 8:30PM May 19, 2013Observed: 6.25 ft at 9:00PM May 19, 2013Observed: 6.25 ft at 9:30PM May 19, 2013Observed: 6.25 ft at 10:00PM May 19, 2013Observed: 6.25 ft at 10:30PM May 19, 2013Observed: 6.25 ft at 11:00PM May 19, 2013Observed: 6.25 ft at 11:30PM May 19, 2013Observed: 6.25 ft at 12:00AM May 20, 2013Observed: 6.25 ft at 12:30AM May 20, 2013Observed: 6.25 ft at 1:00AM May 20, 2013Observed: 6.26 ft at 1:30AM May 20, 2013Observed: 6.25 ft at 2:00AM May 20, 2013Observed: 6.25 ft at 2:30AM May 20, 2013Observed: 6.25 ft at 3:00AM May 20, 2013Observed: 6.25 ft at 3:30AM May 20, 2013Observed: 6.25 ft at 4:00AM May 20, 2013Observed: 6.25 ft at 4:30AM May 20, 2013Observed: 6.25 ft at 5:00AM May 20, 2013Observed: 6.25 ft at 5:30AM May 20, 2013Observed: 6.25 ft at 6:00AM May 20, 2013Observed: 6.25 ft at 6:30AM May 20, 2013Observed: 6.25 ft at 7:00AM May 20, 2013Observed: 6.24 ft at 7:30AM May 20, 2013Observed: 6.24 ft at 8:00AM May 20, 2013Observed: 6.24 ft at 8:30AM May 20, 2013Observed: 6.25 ft at 9:00AM May 20, 2013Observed: 6.25 ft at 9:30AM May 20, 2013Observed: 6.25 ft at 10:00AM May 20, 2013Observed: 6.26 ft at 10:30AM May 20, 2013Observed: 6.25 ft at 11:00AM May 20, 2013Observed: 6.25 ft at 11:30AM May 20, 2013Observed: 6.25 ft at 12:00PM May 20, 2013Observed: 6.25 ft at 12:30PM May 20, 2013Observed: 6.25 ft at 1:00PM May 20, 2013Observed: 6.25 ft at 1:01PM May 20, 2013Observed: 6.25 ft at 1:30PM May 20, 2013Observed: 6.25 ft at 2:00PM May 20, 2013Observed: 6.25 ft at 2:30PM May 20, 2013Observed: 6.25 ft at 3:00PM May 20, 2013Observed: 6.25 ft at 3:30PM May 20, 2013Observed: 6.25 ft at 4:00PM May 20, 2013Observed: 6.24 ft at 4:30PM May 20, 2013Observed: 6.24 ft at 5:00PM May 20, 2013Observed: 6.25 ft at 5:30PM May 20, 2013Observed: 6.25 ft at 6:00PM May 20, 2013Observed: 6.25 ft at 6:30PM May 20, 2013Observed: 6.25 ft at 7:00PM May 20, 2013Observed: 6.25 ft at 7:30PM May 20, 2013Observed: 6.25 ft at 8:00PM May 20, 2013Observed: 6.25 ft at 8:30PM May 20, 2013Observed: 6.25 ft at 9:00PM May 20, 2013Observed: 6.24 ft at 9:30PM May 20, 2013Observed: 6.24 ft at 10:00PM May 20, 2013Observed: 6.24 ft at 10:30PM May 20, 2013Observed: 6.24 ft at 10:31PM May 20, 2013Observed: 6.24 ft at 11:00PM May 20, 2013Observed: 6.24 ft at 11:30PM May 20, 2013Observed: 6.24 ft at 12:00AM May 21, 2013Observed: 6.24 ft at 2:30AM May 21, 2013Observed: 6.24 ft at 3:00AM May 21, 2013Observed: 6.24 ft at 3:30AM May 21, 2013Observed: 6.24 ft at 4:00AM May 21, 2013Observed: 6.24 ft at 4:30AM May 21, 2013Observed: 6.24 ft at 5:00AM May 21, 2013Observed: 6.23 ft at 5:30AM May 21, 2013Observed: 6.23 ft at 6:00AM May 21, 2013Observed: 6.23 ft at 6:30AM May 21, 2013Observed: 6.23 ft at 7:00AM May 21, 2013Highest Forecast: 6.2 ft 2:00PM May 21, 2013Highest Forecast: 6.2 ft 8:00PM May 21, 2013Highest Forecast: 6.2 ft 2:00AM May 22, 2013Highest Forecast: 6.2 ft 8:00AM May 22, 2013Highest Forecast: 6.2 ft 2:00PM May 22, 2013Highest Forecast: 6.2 ft 8:00PM May 22, 2013Highest Forecast: 6.2 ft 2:00AM May 23, 2013Highest Forecast: 6.2 ft 8:00AM May 23, 2013USGS--Water Resources of the United StatesPADP1(plotting HGIRG) Graph Created (8:34AM May 21, 2013)ObservedForecast (issued 9:22AM May 20)Latest observed value: 6.23 ft at 7:00 AM EDT 21-May-2013. Flood Stage is 11 ft
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Tabular Data
XML Data
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Datum: Not Available
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

Historical 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 Historical Crests

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

Other Data Sources:
Additional Information Collapse
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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Page last modified: 13-Mar-2013 6:28 PM 		Disclaimer
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