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 01654500 LONG BRANCH NEAR ANNANDALE, VA

  Stream Site

DESCRIPTION:
Latitude 38°48'39",   Longitude 77°14'07"   NAD27
Fairfax County, Virginia, Hydrologic Unit 02070010
Drainage area: 3.72 square miles
Datum of gage: 190.64 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2013-02-08  2018-12-12  
 Daily Data
    Temperature, water, degrees Celsius  2013-02-08  2018-12-11  8348 
    Discharge, cubic feet per second  1947-10-01  2018-12-11  5420 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2013-02-08  2018-12-11  8216 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2013-02-08  2018-12-11  7944 
    pH, water, unfiltered, field, standard units  2013-02-08  2018-12-11  5910 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2013-02-08  2017-08-30  5712 
 Daily Statistics 
    Temperature, water, degrees Celsius  2013-02-08  2018-09-25 2010 
    Discharge, cubic feet per second  1947-10-01  2018-03-28 5163 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2013-02-08  2018-09-25 1979 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2013-02-08  2018-09-25 1912 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2013-02-08  2017-08-30 1428 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2013-02  2018-09  
    Discharge, cubic feet per second  1947-10  2018-03  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2013-02  2018-09  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2013-02  2018-09  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2013-02  2017-08  
 Annual Statistics 
    Temperature, water, degrees Celsius  2013  2018  
    Discharge, cubic feet per second  1948  2018  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2013  2018  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2013  2018  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2013  2017  
 Peak streamflow 1947-06-08  2017-07-29  26 
 Field measurements 1959-10-14  2018-11-06  158 
 Field/Lab water-quality samples 1952-11-21  2018-11-05  264 
 Water-Year Summary 2013  2017  5 
 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