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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  2021-10-27  
 Daily Data
    Temperature, water, degrees Celsius  2007-09-30  2021-10-24  19948 
    Discharge, cubic feet per second  2007-09-21  2021-10-26  5148 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-09-30  2021-10-24  19700 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-05-20  2021-10-24  16932 
    pH, water, unfiltered, field, standard units  2007-09-30  2021-10-24  14466 
 Daily Statistics 
    Temperature, water, degrees Celsius  2007-09-30  2021-05-25 4867 
    Discharge, cubic feet per second  2007-09-21  2021-08-16 5079 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-09-30  2021-05-25 4805 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-05-20  2021-05-25 4116 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2007-09  2021-05  
    Discharge, cubic feet per second  2007-09  2021-08  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-09  2021-05  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-05  2021-05  
 Annual Statistics 
    Temperature, water, degrees Celsius  2007  2021  
    Discharge, cubic feet per second  2007  2021  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007  2021  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009  2021  
 Peak streamflow 2008-09-06  2020-07-22  13 
 Field measurements 2007-09-27  2021-10-13  132 
 Field/Lab water-quality samples 2008-04-03  2021-07-13  601 
 Water-Year Summary 2008  2020  13 
 Revisions  Loading...
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