Funding for this site is provided by:
COBBS CR AT U.S. HIGHWAY 1 AT PHILADELPHIA, PA
--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
--4.78 square miles.
PERIOD OF RECORD.--October 1964 to September 1981, September 2004 to
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.
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.