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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 01644277 BEAVERDAM RUN NEAR ASHBURN, VA


Loudoun County, Virginia
Hydrologic Unit Code 02070008
Latitude  39°02'23", Longitude  77°26'59" NAD27
Drainage area 11.3  square miles
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Meas.
Number
  Date       Time Time
Datum
Measurement
Used?
  Who Measuring
Agency
Stream
flow
(ft3/s)
Gage
Height
(ft)
GH
Change
(ft)
Meas.
Duration
(hr)
Meas.
Rated
  Control Flow
Adjust.
Code
 
81981-05-28 10:00EDTYesPMS/SAMUSGS0.49 Fair NONE
71980-10-09 12:15EDTYesap/mUSGS0.00 Unspecified NONE
61980-07-07 15:00EDTYesap/zUSGS0.00 Unspecified NONE
51980-06-02 14:00EDTYesWHHUSGS0.5114.820.000.70FairClearNONE
31979-10-24 13:30EDTYesPMS/SAMUSGS8.7114.53 FairDebrisLightNONE
21979-08-29 11:50EDTYesbjp/edgUSGS3.12 FairDebrisHeavyNONE
11979-07-25 07:20EDTYes/USGS0.01 Unspecified NONE