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USGS 01482100 DELAWARE RIVER AT DEL MEM BRIDGE AT WILMINGTON DE

  Stream: Tidal stream Site

DESCRIPTION:
Latitude 39°41'21",   Longitude 75°31'19"   NAD27
New Castle County, Delaware, Hydrologic Unit 02040204
Drainage area: 11,030 square miles
Datum of gage: 0.00 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2020-08-26  2025-10-28  
 Daily Data
    Temperature, water, degrees Celsius -- Upper Sensor  2020-08-27  2025-10-27  5457 
    Temperature, water, degrees Celsius -- Lower Sensor  2020-08-27  2024-11-19  4608 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Lower Sensor  2020-08-27  2024-11-19  4548 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upper Sensor  2020-08-27  2025-10-27  5403 
    Dissolved oxygen, water, unfiltered, milligrams per liter -- Upper Sensor  2021-07-28  2025-10-27  4452 
    Dissolved oxygen, water, unfiltered, milligrams per liter -- Lower Sensor  2021-07-28  2024-11-19  3594 
    Dissolved oxygen, water, unfiltered, percent of saturation -- Upper Sensor  2021-07-28  2025-10-27  4368 
    Dissolved oxygen, water, unfiltered, percent of saturation -- Lower Sensor  2021-07-28  2024-11-19  3519 
    Tidal elevation, NOS-averaged, NAVD88, feet  2020-06-26  2025-10-27  9491 
 Daily Statistics 
    Temperature, water, degrees Celsius -- Upper Sensor  2020-08-27  2025-08-05 1736 
    Temperature, water, degrees Celsius -- Lower Sensor  2020-08-27  2024-11-19 1536 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Lower Sensor  2020-08-27  2024-11-19 1516 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upper Sensor  2020-08-27  2025-08-05 1718 
    Dissolved oxygen, water, unfiltered, milligrams per liter -- Upper Sensor  2021-07-28  2025-08-05 1401 
    Dissolved oxygen, water, unfiltered, milligrams per liter -- Lower Sensor  2021-07-28  2024-11-19 1198 
    Dissolved oxygen, water, unfiltered, percent of saturation -- Upper Sensor  2021-07-28  2024-11-09 1119 
    Dissolved oxygen, water, unfiltered, percent of saturation -- Lower Sensor  2021-07-28  2024-11-19 1173 
    Tidal elevation, NOS-averaged, NAVD88, feet  2020-06-27  2023-01-03 921 
 Monthly Statistics 
    Temperature, water, degrees Celsius -- Upper Sensor  2020-08  2025-08  
    Temperature, water, degrees Celsius -- Lower Sensor  2020-08  2024-11  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Lower Sensor  2020-08  2024-11  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upper Sensor  2020-08  2025-08  
    Dissolved oxygen, water, unfiltered, milligrams per liter -- Upper Sensor  2021-07  2025-08  
    Dissolved oxygen, water, unfiltered, milligrams per liter -- Lower Sensor  2021-07  2024-11  
    Dissolved oxygen, water, unfiltered, percent of saturation -- Upper Sensor  2021-07  2024-11  
    Dissolved oxygen, water, unfiltered, percent of saturation -- Lower Sensor  2021-07  2024-11  
    Tidal elevation, NOS-averaged, NAVD88, feet  2020-06  2023-01  
 Annual Statistics 
    Temperature, water, degrees Celsius -- Upper Sensor  2020  2025  
    Temperature, water, degrees Celsius -- Lower Sensor  2020  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Lower Sensor  2020  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- Upper Sensor  2020  2025  
    Dissolved oxygen, water, unfiltered, milligrams per liter -- Upper Sensor  2021  2025  
    Dissolved oxygen, water, unfiltered, milligrams per liter -- Lower Sensor  2021  2025  
    Dissolved oxygen, water, unfiltered, percent of saturation -- Upper Sensor  2021  2025  
    Dissolved oxygen, water, unfiltered, percent of saturation -- Lower Sensor  2021  2025  
    Tidal elevation, NOS-averaged, NAVD88, feet  2020  2023  
 Peak streamflow 1950-11-23  1983-04-03  18 
 Field measurements 2020-08-21  2022-09-16  89 
 Water-Year Summary 2020  2025  6 
 Revisions  Loading...
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