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USGS 01474000 Wissahickon Creek at Mouth, Philadelphia, PA

  Stream Site

DESCRIPTION:
Latitude 40°00'55",   Longitude 75°12'26"   NAD27
Philadelphia County, Pennsylvania, Hydrologic Unit 02040203
Drainage area: 64.0 square miles
Datum of gage: 25.27 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1990-10-01  2025-11-05  
 Daily Data
    Temperature, water, degrees Celsius  2023-09-30  2025-11-04  1713 
    Discharge, cubic feet per second  1965-10-01  2025-11-04  21950 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2023-09-30  2025-11-04  1710 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023-09-30  2025-11-04  1707 
    pH, water, unfiltered, field, standard units  2023-09-30  2025-11-04  1710 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2023-09-30  2025-11-04  1707 
 Daily Statistics 
    Temperature, water, degrees Celsius  2023-09-30  2024-08-22 230 
    Discharge, cubic feet per second  1965-10-01  2025-03-31 21732 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2024-03-12  2024-08-22 164 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023-09-30  2024-08-22 230 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2023-09  2024-08  
    Discharge, cubic feet per second  1965-10  2025-03  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2024-03  2024-08  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023-09  2024-08  
 Annual Statistics 
    Temperature, water, degrees Celsius  2023  2024  
    Discharge, cubic feet per second  1966  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2024  2024  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023  2024  
 Peak streamflow 1966-02-13  2023-05-01  58 
 Field measurements 1965-10-12  2025-06-02  461 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1959-10-23  2024-03-06  329 
 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