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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.



USGS 01477050 DELAWARE RIVER AT CHESTER PA

  Stream Site

DESCRIPTION:
Latitude 39°50'12",   Longitude 75°22'00"   NAD27
Delaware County, Pennsylvania, Hydrologic Unit 02040202
Drainage area: 10,300.00 square miles
Contributing drainage area: 10,300.00 square miles,
Datum of gage: 0.00 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2024-04-18  
 Daily Data
    Temperature, water, degrees Celsius  1961-12-21  2024-04-17  49284 
    Temperature, water, degrees Fahrenheit  1963-10-02  1967-09-29  3235 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1963-10-01  2024-04-17  49378 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1961-12-27  2024-04-17  45393 
    pH, water, unfiltered, field, standard units  1968-01-18  2024-04-17  45729 
 Daily Statistics 
    Temperature, water, degrees Celsius  1964-10-16  2023-04-10 15345 
    Temperature, water, degrees Fahrenheit  1964-10-16  1967-09-29 825 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1964-10-01  2023-04-10 15731 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1964-10-03  2023-04-10 14311 
    pH, water, unfiltered, field, standard units  1968-01-19  2012-12-02 10813 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1964-10  2023-04  
    Temperature, water, degrees Fahrenheit  1964-10  1967-09  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1964-10  2023-04  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1964-10  2023-04  
    pH, water, unfiltered, field, standard units  1968-01  2012-12  
 Annual Statistics 
    Temperature, water, degrees Celsius  1965  2023  
    Temperature, water, degrees Fahrenheit  1965  1967  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1965  2023  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1965  2023  
    pH, water, unfiltered, field, standard units  1968  2013  
 Peak streamflow 1972-12-22  1992-12-11  12 
 Field/Lab water-quality samples 1966-12-12  2020-10-20  752 
 Water-Year Summary 2006  2022  17 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Pennsylvania Water Science Center
Email questions about this site to Pennsylvania Water Science Center Water-Data Inquiries