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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 01655380 SOUTH RUN NEAR LORTON, VA
Fairfax County, Virginia
Hydrologic Unit Code 02070010
Latitude  38°44'11", Longitude  77°15'10" NAD27
Drainage area 6.30  square miles
Gage datum 189.48 feet above NGVD29
Output formats
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HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
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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 
421977-08-05 10:25EDTYesflsUSGS0.34 Poor NONE
411974-09-17 11:43EDTYespmsUSGS0.80 Good NONE
401973-09-27 10:07EDTYestlcUSGS0.60 Good NONE
391973-09-06 10:05EDTYestlcUSGS0.63 Good NONE
381972-09-07 -- ----YestlcUSGS0.40 Unspecified NONE
371971-09-30 12:50EDTYestlcUSGS0.45 Fair NONE
361970-09-21 15:55EDTYestlcUSGS0.30 Unspecified NONE
351970-08-31 16:15EDTYestlcUSGS0.17 Unspecified NONE
341969-08-29 10:33ESTYesrawUSGS0.43-0.180.000.30Fair NONE
331968-08-23 12:10ESTYesfpkUSGS0.18-0.120.000.30Poor NONE
321967-08-24 10:35ESTYesfgg/tlcUSGS35.21.14-0.010.30Excellent NONE
311967-08-17 08:18ESTYesjwlUSGS0.250.010.00 Poor NONE
301967-03-07 10:20ESTYesfggUSGS1112.03-0.040.40Good NONE
291967-02-16 11:25ESTYesfggUSGS17.40.760.000.30Good NONE
281967-02-15 13:25ESTYesfpkUSGS16.20.730.050.50Good NONE
271966-10-19 13:20ESTYesjwlUSGS1292.030.060.60Fair NONE
251966-09-14 10:00ESTYesfgg/ealUSGS13.20.480.050.30Good NONE
261966-09-14 -- ----Yesfpk/jwlUSGS13106.03 Unspecified NONE
241966-09-12 -- ----YesjwlUSGS0.00 Unspecified NONE
231966-09-01 -- ----YesjwlUSGS0.300.050.00 Poor NONE
221966-08-24 -- ----YesjwlUSGS0.080.020.00 Poor NONE
211966-04-25 13:10ESTYesfggUSGS15.00.500.000.20Good NONE
201966-03-25 10:40ESTYesfggUSGS6.080.310.000.60Fair NONE
191966-03-24 15:08ESTYesdgaUSGS12.60.470.100.20Fair NONE
181965-09-08 13:15ESTYesfpkUSGS0.170.000.000.20Poor NONE
171965-05-13 13:05ESTYesfpkUSGS1.580.140.000.50Poor NONE
161965-03-05 -- ----YesfpkUSGS84.71.620.030.20Good NONE
151964-08-26 09:00ESTYesfpkUSGS0.00 Unspecified NONE
141963-11-29 14:47ESTYesfggUSGS46.91.21-0.020.20Good NONE
131963-08-26 13:00ESTYesjfbUSGS0.230.030.000.10Poor NONE
121963-06-03 08:25ESTYesjfbUSGS15.10.680.040.20Poor NONE
111963-03-16 17:08ESTYesjfbUSGS11.10.50-0.010.20Fair NONE
101963-03-12 15:28ESTYespld/lgcUSGS67.41.36-0.010.30Good NONE
91963-03-06 09:50ESTYesjfbUSGS41.01.33-0.010.30Fair NONE
81962-11-22 07:20ESTYesjfbUSGS20.90.90-0.010.40Fair NONE
71962-08-29 12:10ESTYesjfbUSGS0.00 Unspecified NONE
61962-03-02 10:15ESTYesjfbUSGS97.42.02-0.050.20Fair NONE
51962-02-27 15:40ESTYesjfbUSGS81.81.70-0.060.20Fair NONE
41961-04-13 09:50ESTYesjfbUSGS95.02.30-0.050.20Fair NONE
31961-02-23 14:05ESTYesjfbUSGS94.62.28-0.010.20Fair NONE
21960-09-12 10:42ESTYesjfbUSGS71.82.10-0.010.20Fair NONE
11960-09-07 12:24ESTYesjfb/fggUSGS0.230.190.000.20Fair NONE