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USGS 01638500 POTOMAC RIVER AT POINT OF ROCKS, MD

  Stream Site

DESCRIPTION:
Latitude 39°16'24.9",   Longitude 77°32'35.2"   NAD83
Frederick County, Maryland, Hydrologic Unit 02070008
Drainage area: 9,651 square miles
Datum of gage: 199.92 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2016-12-05  
 Daily Data
    Discharge, cubic feet per second  1895-02-01  2016-12-04  44502 
    Suspended sediment concentration, milligrams per liter  1960-10-01  1993-04-18  10754 
    Suspended sediment discharge, short tons per day  1960-10-01  1991-09-30  10591 
 Daily Statistics 
    Discharge, cubic feet per second  1895-02-01  2016-09-30 44437 
    Suspended sediment concentration, milligrams per liter  1960-10-01  1993-04-18 10754 
    Suspended sediment discharge, short tons per day  1960-10-01  1991-09-30 10591 
 Monthly Statistics 
    Discharge, cubic feet per second  1895-02  2016-09  
    Suspended sediment concentration, milligrams per liter  1960-10  1993-04  
    Suspended sediment discharge, short tons per day  1960-10  1991-09  
 Annual Statistics 
    Discharge, cubic feet per second  1895  2016  
    Suspended sediment concentration, milligrams per liter  1961  1993  
    Suspended sediment discharge, short tons per day  1961  1991  
 Peak streamflow 1889-06-02  2016-02-05  123 
 Field measurements 1895-03-25  2016-11-28  492 
 Field/Lab water-quality samples 1959-03-03  1992-04-23  554 
 Water-Year Summary 2006  2016  11 

Additional Data Sources

Begin Date

End Date

Count
 Instantaneous-Data Archive  **offsite** 1972-05-24  2007-09-30  365448 
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