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USGS 01654107 LONG BRANCH AT OLLEY LANE NR FAIRFAX, VA

  Stream Site

DESCRIPTION:
Latitude 38°49'28.56",   Longitude 77°16'00.12"   NAD83
Fairfax County, Virginia, Hydrologic Unit 02070010
Drainage area: 1.19 square miles
Datum of gage: 293.63 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2021-09-29  2026-01-22  
 Daily Data
    Temperature, water, degrees Celsius  2021-09-29  2026-01-22  4673 
    Discharge, cubic feet per second  2022-10-14  2026-01-21  1196 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2021-11-18  2026-01-22  4504 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2021-09-29  2026-01-22  4631 
    pH, water, unfiltered, field, standard units  2021-09-29  2026-01-22  4311 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2021-09-29  2026-01-22  4569 
 Daily Statistics 
    Discharge, cubic feet per second  2022-10-14  2025-06-03 964 
 Monthly Statistics 
    Discharge, cubic feet per second  2022-10  2025-06  
 Annual Statistics 
    Discharge, cubic feet per second  2023  2025  
 Peak streamflow 2022-12-22  2024-05-26  2 
 Field measurements 2022-10-13  2025-11-19  29 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 2021-11-29  2024-02-28  44 
 Water-Year Summary 2021  2024  4 
 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