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USGS 01645762 S F LITTLE DIFFICULT RUN ABOVE MOUTH NR VIENNA, VA

  Stream Site

DESCRIPTION:
Latitude 38°54'31.6",   Longitude 77°20'18.8"   NAD27
Fairfax County, Virginia, Hydrologic Unit 02070008
Drainage area: 2.71 square miles
Datum of gage: 275.16 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2018-11-19  
 Daily Data
    Temperature, water, degrees Celsius  2007-09-30  2018-11-18  15644 
    Discharge, cubic feet per second  2007-09-20  2018-11-18  4070 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-09-30  2018-11-18  15292 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2011-06-08  2018-11-18  10284 
    pH, water, unfiltered, field, standard units  2007-09-30  2018-11-18  11574 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2007-09-30  2017-08-16  3041 
 Daily Statistics 
    Temperature, water, degrees Celsius  2007-09-30  2018-09-19 3857 
    Discharge, cubic feet per second  2007-09-20  2018-04-03 3849 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-09-30  2018-09-19 3772 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2011-06-08  2018-09-19 2517 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2007-09-30  2017-08-16 3040 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2007-09  2018-09  
    Discharge, cubic feet per second  2007-09  2018-04  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2007-09  2018-09  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2011-06  2018-09  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2007-09  2017-08  
 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  2011  2018  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2007  2017  
 Peak streamflow 2008-09-06  2017-07-29  10 
 Field measurements 2007-09-27  2018-11-08  108 
 Field/Lab water-quality samples 2008-04-21  2018-09-17  555 
 Water-Year Summary 2008  2017  10 
 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