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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.

USGS 01475530 Cobbs Cr at U.S. Hghwy No. 1 at Philadelphia, PA


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LOCATION.--Lat 39`58'29", long 75`16'49", Philadelphia County, Hydrologic Unit 02040202, on left bank 30 ft downstream from bridge on U.S. Highway No. 1 and 50 ft upstream from unnamed tributary at west city limits of Philadelphia.
DRAINAGE AREA.--4.78 square miles.
PERIOD OF RECORD.--October 1964 to September 1981, September 2004 to current year.
GAGE.--Water-stage recorder, water-quality monitor, concrete control and crest-stage gage. Datum of gage is 121.76 ft above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.
COOPERATION.--Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by the U.S. Geological Survey and the City of Philadelphia Water Department.
REMARKS.-- Calibration of water-quality instrumentation is conducted exclusively by Philadelphia Water Department personnel with USGS oversight. Erroneous or missing data, resulting from instrument malfunction, are not the responsibility of USGS.
This station managed by the PAWSC Downingtown Field Office.

Available Parameters Period of Record
2018-10-01  2022-08-09
1964-10-01  2022-08-03
2018-10-01  2022-08-09
2018-10-01  2022-08-09
2018-10-01  2022-08-09
2018-10-01  2022-08-09
1965-10-01  1966-09-27
1965-10-01  1966-09-27


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Discharge, cubic feet per second

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