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DESCRIPTION:

Latitude 38°48'48.5",   Longitude 77°14'12.3"   NAD83

Fairfax County, Virginia, Hydrologic Unit 02070010

Drainage area: 3.72 square miles

Datum of gage: 203.39 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2013-02-08	2026-01-22
Daily Data
Temperature, water, degrees Celsius	2013-02-08	2026-01-21	17696
Discharge, cubic feet per second	1947-10-01	2026-01-21	8019
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2013-02-08	2026-01-21	17432
Dissolved oxygen, water, unfiltered, milligrams per liter	2013-02-08	2026-01-21	16964
pH, water, unfiltered, field, standard units	2013-02-08	2026-01-21	12810
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
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2023-01-23	2026-01-22	2967
Daily Statistics
Temperature, water, degrees Celsius	2013-02-08	2025-06-24	4215
Discharge, cubic feet per second	1947-10-01	2025-06-03	7787
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2013-02-08	2025-06-24	4152
Dissolved oxygen, water, unfiltered, milligrams per liter	2013-02-08	2025-06-24	4032
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	2025-06
Discharge, cubic feet per second	1947-10	2025-06
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2013-02	2025-06
Dissolved oxygen, water, unfiltered, milligrams per liter	2013-02	2025-06
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	2025
Discharge, cubic feet per second	1948	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2013	2025
Dissolved oxygen, water, unfiltered, milligrams per liter	2013	2025
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	2024-05-26	33
Field measurements	1959-10-14	2025-11-19	215
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1952-11-21	2024-02-28	421
Water-Year Summary	2013	2024	12
Revisions	Loading...

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