USGS Water-Year Summary 2023
01474000 WISSAHICKON CREEK AT MOUTH, PHILADELPHIA, PA
LOCATION - Lat 40°00'55", long 75°12'26" referenced to North American Datum of 1927, Philadelphia County, PA, Hydrologic Unit 02040203, on left bank 100 ft upstream from dam at Ridge Avenue, 750 ft upstream from mouth, and 1,000 ft northwest of Gustine Lake in Philadelphia.
DRAINAGE AREA - 64 mi².
REVISIONS HISTORY - WSP 1302: 1905: WDR PA-89-1: 1988.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1897 to September 1903, January 1905 to July 1906, October 1965 to current year. Prior to October 1965, records furnished by Department of Public Works, City of Philadelphia, and published as "near Philadelphia". Records for 1971-74 published in WDR PA-81-1.
GAGE - Water-stage recorder, crest-stage gage, and concrete control. Datum of gage is 26.41 ft above National Geodetic Vertical Datum of 1929. Prior to October 1965, water-stage recorder at about same site and datum. 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 City of Philadelphia, Water Department, and the U.S. Geological Survey.
WATER-QUALITY RECORDS
PERIOD OF RECORD - April 2002 to current year.
COOPERATION - Water-quality samples were collected as part of the Pennsylvania Department of Environmental Protection Water-Quality Network (WQN) with cooperation from the Pennsylvania Department of Environmental Protection.