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USGS 01474500 Schuylkill River at Philadelphia, PA

PROVISIONAL DATA SUBJECT TO REVISION

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Station gage imageSTATION.--01474500 SCHUYLKILL RIVER AT PHILADELPHIA, PA (National stream-quality accounting network station)
LOCATION.--Lat 39`58'04", long 75`11'20", Philadelphia County, Hydrologic Unit 02040203, on right bank 150 ft upstream from Fairmount Dam, 1,500 ft upstream from bridge on Spring Garden Street in Philadelphia, and 8.7 mi upstream from mouth. Water-quality sampling site 1.6 mi upstream.
DRAINAGE AREA.--1,893 mi2.
PERIOD OF RECORD.--October 1931 to current year. Records for January 1898 to December 1912, published in WSP 35, 48, 65, 82, 97, 125, 166, 202, 214, 261, 301, and 381 have been found to be unreliable and should not be used.
GAGE.--Water-stage recorder, water-quality monitor, climatological sensor and concrete control. Datum of gage is 5.74 ft above National Geodetic Vertical Datum of 1929. Prior to Nov. 25, 1956, water-stage recorder at site on right bank just upstream from Fairmount Dam at same datum. Nov. 26, 1956, to Oct. 6, 1966, water-stage recorder at site on left bank 40 ft upstream from Fairmount Dam at same datum. Satellite telemetry at station.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by USGS: Maximum recordable gage height (stage sensor operational limit) - 19.4 ft; Data transmitter operational limit - 19.8 ft;
Supplied by NWS: Action stage-10 ft, at 10.4 ft-Kelly Drive floods/closed between North Ferry Road and Falls Bridge; Flood stage-11ft, Kelly Drive is flooded and closed between Hunting Park Avenue and Falls Bridge; Flat Rock area is flooded; Moderate flood stage-13 ft, Main Street in Manayunk is closed from Ridge Avenue to Leverington Street; Major flood stage-15.5 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Oct. 4, 1869 reached a stage of 17.0 ft, discharge, 135,000 ft3/s, from rating extended above 46,000 ft3/s. Flood of Mar. 1, 1902 reached a stage of 14.8 ft, discharge, 98,000 ft3/s.
COOPERATION.--Funding for the operation of this station is provided by the City of Philadelphia Water Department, the U.S. Army Corps of Engineers, Philadelphia District, and the U.S. Geological Survey through the Cooperative Water Program.
REMARKS.--
The 30-minute precipitation data for this station are temporary and will only be displayed for 120 days. Time series of 1-hour or cumulative daily values will NOT be available for retrieval following the 120-day display period. Although the instrumentation is calibrated at least once a year, the temporary classification means that documented routine inspections and other quality assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.
This station managed by the PAWSC Exton Field Office.

Available Parameters Available Period
All 10 Available Parameters for this site
  
00060 Discharge 2007-10-01  2014-11-26
00065 Gage height 2007-10-01  2014-11-26
00095 Specific cond at 25C 2011-11-27  2014-11-26
00300 Dissolved oxygen 2011-11-27  2014-11-26
00010 Temperature, water 2011-11-27  2014-11-26
00400 pH 2011-11-27  2014-11-26
00045 Precipitation 2014-07-29  2014-11-26
99988 PAR, average 2014-07-29  2014-11-26
63680 Turbidity, Form Neph 2014-07-29  2014-11-26
00301 Diss oxygen,%saturtn 2014-07-29  2014-11-26

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 2,300   11-26-2014  17:00 EST
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Daily discharge, cubic feet per second -- statistics for Nov 26 based on 83 years of record more
Min
(1932)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Nov 26
75th
percen-
tile
Mean Max
(1951)
195 899 1860 2300 2980 3240 59600


Gage height, feet

Most recent instantaneous value: 6.36   11-26-2014  17:00 EST
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 541   11-26-2014  17:00 EST
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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 11.3   11-26-2014  17:00 EST
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Temperature, water, degrees Celsius

Most recent instantaneous value: 7.2   11-26-2014  17:00 EST
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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.8   11-26-2014  17:00 EST
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Precipitation, total, inches

Most recent instantaneous value: 0.00   11-26-2014  17:00 EST
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Photosynthetically active radiation (average flux density on a horizontal surface during measurement interval), micromoles of photons per square meter per second

Most recent instantaneous value: 78.0   11-26-2014  17:00 EST
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

Most recent instantaneous value: 2.4   11-26-2014  17:00 EST
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Dissolved oxygen, water, unfiltered, percent of saturation

Most recent instantaneous value: 94   11-26-2014  17:00 EST
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