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USGS 01613000 POTOMAC RIVER AT HANCOCK, MD

  Stream Site

DESCRIPTION:
Latitude 39°41'51.2",   Longitude 78°10'40.4"   NAD83
Washington County, Maryland, Hydrologic Unit 020700040504
Drainage area: 4,064.0 square miles
Datum of gage: 383.06 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1990-10-01  2025-10-31  
 Daily Data
    Discharge, cubic feet per second  1932-10-01  2025-10-30  33998 
 Daily Statistics 
    Discharge, cubic feet per second  1932-10-01  2025-09-14 33952 
 Monthly Statistics 
    Discharge, cubic feet per second  1932-10  2025-09  
 Annual Statistics 
    Discharge, cubic feet per second  1933  2025  
 Peak streamflow 1889-05  2024-04-04  95 
 Field measurements 1932-10-01  2025-09-15  547 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1961-01-09  1987-09-02  151 
 Water-Year Summary 2006  2024  19 
 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