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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 01578310 SUSQUEHANNA RIVER AT CONOWINGO, MD

  Stream Site

DESCRIPTION:
Latitude 39°39'28.4",   Longitude 76°10'28.0"   NAD83
Harford County, Maryland, Hydrologic Unit 02050306
Drainage area: 27,100 square miles
Datum of gage: 4.16 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1988-02-02  2024-09-27  
 Daily Data
    Discharge, cubic feet per second  1967-10-01  2024-09-26  20816 
    Suspended sediment concentration, milligrams per liter  1979-10-01  1992-09-29  3580 
    Suspended sediment discharge, short tons per day  1979-10-01  1992-09-29  3579 
 Daily Statistics 
    Discharge, cubic feet per second  1967-10-01  2024-04-04 20641 
    Suspended sediment concentration, milligrams per liter  1979-10-01  1992-09-29 3580 
    Suspended sediment discharge, short tons per day  1979-10-01  1992-09-29 3579 
 Monthly Statistics 
    Discharge, cubic feet per second  1967-10  2024-04  
    Suspended sediment concentration, milligrams per liter  1979-10  1992-09  
    Suspended sediment discharge, short tons per day  1979-10  1992-09  
 Annual Statistics 
    Discharge, cubic feet per second  1968  2024  
    Suspended sediment concentration, milligrams per liter  1980  1992  
    Suspended sediment discharge, short tons per day  1980  1992  
 Peak streamflow 1968-03-25  2023-05-02  56 
 Field measurements 1968-08-04  2024-07-05  64 
 Field/Lab water-quality samples 1978-01-29  2024-03-06  1530 
 Water-Year Summary 2006  2023  18 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Maryland Water Science Center
Email questions about this site to Maryland Water Science Center Water-Data Inquiries