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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.



! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.

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    For more information on these data, contact USGS Water Data Support Team

Links to other data for the requested sites follows:

USGS 01457500 Delaware River at Riegelsville NJ
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2024-05-16  
 Daily Data
    Temperature, water, degrees Celsius  2019-04-10  2024-05-15  5463 
    Discharge, cubic feet per second  2018-10-01  2024-05-15  2049 
    Gage height, feet  2005-10-01  2024-05-15  10570 
 Daily Statistics 
    Temperature, water, degrees Celsius  2019-04-10  2023-02-22 1376 
    Discharge, cubic feet per second  2018-10-01  2021-05-26 969 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2019-04  2023-02  
    Discharge, cubic feet per second  2018-10  2021-05  
 Annual Statistics 
    Temperature, water, degrees Celsius  2019  2023  
    Discharge, cubic feet per second  2019  2021  
 Peak streamflow 1841-01-08  2020-08-05  116 
 Field measurements 1936-03-19  2024-05-03  82 
 Field/Lab water-quality samples 1934-08-14  2009-06-04  336 
 Water-Year Summary 2006  2022  17 
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