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DESCRIPTION:

Latitude 39°15'18",   Longitude 77°34'36"   NAD27

Loudoun County, Virginia, Hydrologic Unit 02070008

Drainage area: 89.5 square miles

Datum of gage: 246.8 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-01	2025-07-01
Daily Data
Discharge, cubic feet per second	1970-10-31	2025-06-30	19693
Daily Statistics
Discharge, cubic feet per second	1970-10-31	2024-10-30	19451
Monthly Statistics
Discharge, cubic feet per second	1970-10	2024-10
Annual Statistics
Discharge, cubic feet per second	1971	2025
Peak streamflow	1971-09-12	2024-01-09	54
Field measurements	1943-09-15	2025-05-27	476
Field/Lab water-quality samples	1968-03-25	1994-09-14	29
Water-Year Summary	2006	2024	19
Revisions	Loading...

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