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USGS 01661500 ST MARYS RIVER AT GREAT MILLS, MD

  Stream Site

DESCRIPTION:
Latitude 38°14'30.3",   Longitude 76°30'13.2"   NAD83
St. Mary'S County, Maryland, Hydrologic Unit 02070011
Drainage area: 24.0 square miles
Datum of gage: 6.86 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1990-10-01  2017-12-12  
 Daily Data
    Discharge, cubic feet per second  1946-06-21  2017-12-10  25738 
 Daily Statistics 
    Discharge, cubic feet per second  1946-06-21  2017-10-09 25678 
 Monthly Statistics 
    Discharge, cubic feet per second  1946-06  2017-10  
 Annual Statistics 
    Discharge, cubic feet per second  1946  2018  
 Peak streamflow 1947-04-16  2017-07-06  70 
 Field measurements 1946-06-21  2017-12-05  576 
 Field/Lab water-quality samples 1964-05-22  1987-08-24  67 
 Water-Year Summary 2007  2017  11 
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