Location context and information
Prior to January 2020, located at end of Pier 12 about 150 ft upstream of Ben Franklin Bridge. Prior to July 1988, located on edge of pier 11 about 300 ft downstream of pier 12. Further information on this station is given in U.S. Geological Survey Water-Supply Paper 1809-0. Other interruptions in the record were due to malfunctions of the pump or recording instrument.
As of December 9, 2021, the water quality sensor is located 3 ft below the water surface regardless of gage height.
As of December 9, 2021, the water quality sensor is located 3 ft below the water surface regardless of gage height.
