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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.




USGS 03007800 Allegheny River at Port Allegany, PA

  Stream Site

DESCRIPTION:
Latitude 41°49'07",   Longitude 78°17'35"   NAD27
Mckean County, Pennsylvania, Hydrologic Unit 05010001
Drainage area: 248 square miles
Datum of gage: 1,454.38 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1991-10-01  2024-07-21  
 Daily Data
    Temperature, water, degrees Celsius  2010-11-19  2024-07-20  14793 
    Discharge, cubic feet per second  1974-10-01  2024-07-20  18191 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2010-11-19  2024-07-20  14304 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2011-07-08  2024-07-20  7806 
    pH, water, unfiltered, field, standard units  2011-07-08  2024-07-20  8195 
 Daily Statistics 
    Temperature, water, degrees Celsius  2010-11-19  2024-03-26 4815 
    Discharge, cubic feet per second  1974-10-01  2024-05-19 18129 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2010-11-19  2023-07-02 4395 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2011-07-08  2023-07-02 2370 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2010-11  2024-03  
    Discharge, cubic feet per second  1974-10  2024-05  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2010-11  2023-07  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2011-07  2023-07  
 Annual Statistics 
    Temperature, water, degrees Celsius  2011  2024  
    Discharge, cubic feet per second  1975  2024  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2011  2023  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2011  2023  
 Peak streamflow 1975-02-25  2022-02-18  48 
 Field measurements 1972-06-23  2024-07-15  360 
 Field/Lab water-quality samples 1977-09-21  2023-09-13  243 
 Water-Year Summary 2006  2023  18 
 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