Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our mobile dedicated web site here.
Click to hideNews Bulletins

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  2019-09-22  
 Daily Data
    Discharge, cubic feet per second  1946-06-21  2019-09-20  26389 
 Daily Statistics 
    Discharge, cubic feet per second  1946-06-21  2018-10-01 26035 
 Monthly Statistics 
    Discharge, cubic feet per second  1946-06  2018-10  
 Annual Statistics 
    Discharge, cubic feet per second  1946  2019  
 Peak streamflow 1947-04-16  2018-05-18  71 
 Field measurements 1946-06-21  2019-08-20  589 
 Field/Lab water-quality samples 1964-05-22  1987-08-24  67 
 Water-Year Summary 2007  2018  12 
 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