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

NOTICE: With the exception of 01467200, 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.

Real-Time Station Data and Graphs:

Most Recent Real-Time Values
WT 11.10	K 341.00	pH 7.40	DO 10.60	Q 6.50	GH 2.35
WT= Temperature, water, degrees Celsius; K= Specific cond at 25C; pH= pH, water, unfiltered, field, standard units; DO= Dissolved oxygen; Q= Discharge; GH= Gage height
Graph of Real-Time Values
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Station Information:

(click image to enlarge)

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 mi2

Period of Record:

October 1964 to September 1981, September 2004 to current year.

Gage:

Water-stage recorder, concrete control, and crest-stage gage. Datum of gage is 121.76 ft above National Geodetic Vertical Datum of 1929.