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USGS 01481000 Brandywine Creek at Chadds Ford, PA

  Stream Site

DESCRIPTION:
Latitude 39°52'11",   Longitude 75°35'37"   NAD27
Delaware County, Pennsylvania, Hydrologic Unit 02040205
Drainage area: 287 square miles
Datum of gage: 149.7 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2025-10-30  
 Daily Data
    Temperature, water, degrees Celsius  1971-10-05  2025-10-29  48151 
    Precipitation, total, inches  2005-09-30  2025-10-29  7273 
    Discharge, cubic feet per second  1911-10-01  2025-10-29  38380 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1971-10-05  2025-10-29  46182 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1971-10-05  2025-10-29  42789 
    pH, water, unfiltered, field, standard units  1971-12-20  2025-10-29  48513 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2005-10-13  2025-10-29  20337 
    Chloride, water, unfiltered, computed by regression equation, milligrams per liter  2022-10-31  2025-10-29  988 
    Suspended sediment concentration, milligrams per liter  1963-10-01  1978-09-29  5476 
    Suspended sediment discharge, short tons per day  1963-10-01  1978-09-29  5478 
 Daily Statistics 
    Temperature, water, degrees Celsius  1971-10-06  2025-07-27 15891 
    Discharge, cubic feet per second  1911-10-01  2025-02-26 38135 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1971-10-06  2025-07-18 15236 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1971-10-06  2025-06-17 13989 
    pH, water, unfiltered, field, standard units  1971-12-21  2013-09-30 11397 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2005-10-13  2025-07-27 6687 
    Suspended sediment concentration, milligrams per liter  1963-10-01  1978-09-29 5476 
    Suspended sediment discharge, short tons per day  1963-10-01  1978-09-29 5478 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1971-10  2025-07  
    Discharge, cubic feet per second  1911-10  2025-02  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1971-10  2025-07  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1971-10  2025-06  
    pH, water, unfiltered, field, standard units  1971-12  2013-09  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2005-10  2025-07  
    Suspended sediment concentration, milligrams per liter  1963-10  1978-09  
    Suspended sediment discharge, short tons per day  1963-10  1978-09  
 Annual Statistics 
    Temperature, water, degrees Celsius  1972  2025  
    Discharge, cubic feet per second  1912  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1972  2025  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1972  2025  
    pH, water, unfiltered, field, standard units  1972  2013  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2006  2025  
    Suspended sediment concentration, milligrams per liter  1964  1978  
    Suspended sediment discharge, short tons per day  1964  1978  
 Peak streamflow 1912-02-21  2022-04-08  103 
 Field measurements 1908-10-10  2025-06-26  877 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1948-01-14  2023-09-27  1860 
 Water-Year Summary 2006  2024  19 
 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