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USGS 01645704 DIFFICULT RUN ABOVE FOX LAKE NEAR FAIRFAX, VA

  Stream Site

DESCRIPTION:
Latitude 38°53'04.5",   Longitude 77°19'57.8"   NAD27
Fairfax County, Virginia, Hydrologic Unit 02070008
Drainage area: 5.49 square miles
Datum of gage: 288.1 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2018-02-23  
 Daily Data
    Temperature, water, degrees Celsius  2007-09-30  2018-02-22  14840 
    Discharge, cubic feet per second  2007-09-21  2018-02-22  3808 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-09-30  2018-02-22  14608 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-05-20  2018-02-22  11868 
    pH, water, unfiltered, field, standard units  2007-09-30  2018-02-22  10974 
 Daily Statistics 
    Temperature, water, degrees Celsius  2007-09-30  2017-11-27 3625 
    Discharge, cubic feet per second  2007-09-21  2017-10-03 3666 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-09-30  2017-11-27 3566 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-05-20  2017-11-27 2880 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2007-09  2017-11  
    Discharge, cubic feet per second  2007-09  2017-10  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-09  2017-11  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-05  2017-11  
 Annual Statistics 
    Temperature, water, degrees Celsius  2007  2018  
    Discharge, cubic feet per second  2007  2018  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007  2018  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009  2018  
 Peak streamflow 2008-09-06  2016-02-24  9 
 Field measurements 2007-09-27  2018-01-25  98 
 Field/Lab water-quality samples 2008-04-03  2018-01-11  498 
 Water-Year Summary 2008  2017  10 
OPERATION:
Record for this site is maintained by the USGS Virginia Water Science Center
Email questions about this site to Virginia Water Science Center Water-Data Inquiries