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DESCRIPTION:

Latitude 38°55'32.16",   Longitude 77°19'45.62"   NAD83

Fairfax County, Virginia, Hydrologic Unit 02070008

Datum of gage: 291.5 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2021-02-25	2025-02-03
Daily Data
Temperature, water, degrees Celsius	2021-02-25	2025-02-03	4284
Discharge, cubic feet per second	2021-02-26	2025-02-02	1438
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2021-02-26	2025-02-03	4278
Dissolved oxygen, water, unfiltered, milligrams per liter	2021-02-25	2025-02-03	4193
pH, water, unfiltered, field, standard units	2021-02-25	2025-02-03	4242
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2021-05-18	2025-02-03	3977
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen	2022-02-04	2025-02-03	2928
Daily Statistics
Discharge, cubic feet per second	2021-02-26	2022-10-12	594
Monthly Statistics
Discharge, cubic feet per second	2021-02	2022-10
Annual Statistics
Discharge, cubic feet per second	2021	2023
Peak streamflow	2021-09-01	2022-07-09	2
Field measurements	2021-03-17	2025-01-28	34
Field/Lab water-quality samples	2021-05-18	2024-03-05	64
Water-Year Summary	2021	2024	4
Revisions	Loading...

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