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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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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USGS 01458500 Delaware River at Frenchtown NJ
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2024-10-20  
 Daily Data
    Temperature, water, degrees Celsius  2014-10-01  2024-10-19  9918 
    Gage height, feet  2013-10-01  2024-10-19  8000 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2014-10-01  2024-10-19  10044 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2014-10-01  2024-10-19  9942 
    Dissolved oxygen, water, unfiltered, percent of saturation  2014-10-01  2024-10-19  9621 
    pH, water, unfiltered, field, standard units  2014-10-01  2024-10-19  9486 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2014-10-01  2024-10-19  8823 
    Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen  2023-03-22  2024-10-12  831 
 Daily Statistics 
    Temperature, water, degrees Celsius  2014-10-01  2023-05-08 2779 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2014-10-01  2023-05-04 2839 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2014-10-01  2023-05-08 2792 
    Dissolved oxygen, water, unfiltered, percent of saturation  2014-10-01  2024-03-20 3007 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2014-10-08  2024-03-20 2727 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2014-10  2023-05  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2014-10  2023-05  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2014-10  2023-05  
    Dissolved oxygen, water, unfiltered, percent of saturation  2014-10  2024-03  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2014-10  2024-03  
 Annual Statistics 
    Temperature, water, degrees Celsius  2015  2023  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2015  2023  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2015  2023  
    Dissolved oxygen, water, unfiltered, percent of saturation  2015  2024  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2015  2024  
 Peak streamflow 1903-10-10  2022-04-09  39 
 Field/Lab water-quality samples 1976-07-20  2023-07-24  36 
 Water-Year Summary 2008  2023  16 
 Revisions  Loading...