STATION.--01475548 COBBS CREEK AT MT. MORIAH CEMETERY, PHILADELPHIA
LOCATION.--Lat 39`55'58.03", long 75`14'15.49", Delaware County, Hydrologic Unit 02040202, on right bank, 120 ft upstream from bridge on access road to cemetary and 2.5 miles upstream from mouth.
DRAINAGE AREA.--19.9 square miles.
PERIOD OF RECORD.--October 2005 to current year.
GAGE.--Water-stage recorder and water-quality monitor. Datum of gage is 15.8 ft. above North American Vertical Datum of 1988, (GNSS survey). Prior to February 19, 2025, the datum of gage was erroneously reported as 20 ft above National Geodetic Vertical Datum of 1929, from topographic map. Satellite telemetry at station.
COOPERATION.--Station established and maintained by the U.S. Geological Survay. Funding for the operation of this station is provided by the City of Philadelphia Water Department and the U.S. Geological Survey.
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.