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Streamflow Measurements for the Nation


USGS 0164425950 HORSEPEN RUN AB HORSEPEN RUN TRIB NR HERNDON, VA


Fairfax County, Virginia
Hydrologic Unit Code 02070008
Latitude  38°55'21.35", Longitude  77°24'20.78" NAD83
Drainage area 1.19  square miles
Gage datum 305.63 feet above NAVD88
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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
 
292024-10-16 12:43EDTYesTJT/RAMUSGS0.010.770.000.35PoorDebrisHeavyunkn
29S2024-09-26 06:45EDTYesRAMUSGS1663.28 Unknown unkn
28S2024-08-29 18:00EDTYesRAMUSGS42.01.64 Unknown unkn
282024-08-20 16:23:05EDTYesTJT/RAMUSGS0.080.780.000.38PoorDebrisModerateunkn
272024-04-30 12:23:04EDTYesEDI/NJBUSGS0.100.840.000.60PoorDebrisLightunkn
27S2024-03-09 19:15ESTYesJKLUSGS1182.60 Unknown unkn
26S2024-01-28 05:15ESTYesJKLUSGS1903.76 Unknown unkn
262022-05-23 11:32EDTYesJRDUSGS2.461.14 Fair unkn
252021-10-12 15:35:02EDTYesBWDUSGS0.060.820.000.22PoorDebrisModerateunkn
242021-06-14 14:10:01EDTYesBWDUSGS0.420.850.000.50PoorClearunkn
232021-04-13 10:02EDTYesTDCUSGS1.31 Good unkn
222021-02-09 13:27ESTYesTDCUSGS1.47 Good unkn
212021-02-05 11:49:54ESTYesBWDUSGS1.000.870.000.42PoorClearunkn
202020-09-16 13:59EDTYesBWDUSGS0.280.730.000.50PoorClearunkn
23S2020-08-16 03:15EDTYesJKLUSGS1193.29 Fair unkn
22S2020-07-22 17:45EDTYesJKLUSGS5965.48 Fair unkn
22E2018-05-14 19:45EDTYesJMDUSGS2334.37 Unspecified unkn
192018-03-20 10:19EDTYesJMDUSGS1.570.940.000.40FairDebrisLightunkn
182018-01-30 11:20:30ESTYesJMD/HDRUSGS0.150.640.000.40PoorDebrisLightunkn
21S2017-08-11 22:15EDTYesJMDUSGS55.02.16 Poor unkn
20S2017-08-03 18:15EDTYesJMDUSGS1203.42 Poor unkn
19S2017-07-29 01:15EDTYesJMDUSGS1373.84 Poor unkn
18S2017-05-11 10:45EDTYesJMDUSGS1012.90 Poor unkn
17S2017-05-05 09:45EDTYesJMDUSGS80.02.56 Poor unkn
16S2017-04-06 14:00EDTYesJMDUSGS99.03.16 Poor unkn
15S2017-04-06 14:00EDTYesJMDUSGS1102.90 Poor unkn
172017-04-06 10:41EDTYesJMDUSGS4.231.070.020.30FairClearunkn
162017-04-06 10:22EDTYesJMDUSGS3.951.040.040.30FairClearunkn
152017-04-06 10:04EDTYesJMDUSGS2.580.990.10 FairClearunkn
142015-11-10 14:57:30ESTYesTPNUSGS1.741.16 Excellent unkn
132015-11-02 14:35ESTYesTPNUSGS0.060.94 Poor unkn
122015-09-30 09:38EDTYesCCRUSGS1.561.070.020.50FairDebrisHeavyunkn
112014-02-11 17:28:30ESTYesjsw ajpUSGS0.820.68 Good unkn
102013-11-27 10:47:30ESTYesJMDUSGS10.61.26-0.020.40GoodClearunkn
92013-11-27 09:01ESTYesJMDUSGS14.71.33-0.020.30GoodClearunkn
82013-11-27 08:37:30ESTYesJMDUSGS15.41.36-0.030.30FairClearunkn
72013-11-27 08:16ESTYesJMDUSGS16.31.39-0.020.30FairClearunkn
62013-11-27 07:56ESTYesJMDUSGS17.41.42-0.050.20FairClearunkn
52013-11-27 07:40ESTYesJMDUSGS18.91.47-0.050.30FairClearunkn
32013-11-26 15:51:30ESTYesJMD/RRLUSGS0.090.580.000.30PoorDebrisLightunkn
42013-11-26 15:47:30ESTYesJMD/RRLUSGS0.140.580.000.30PoorDebrisLightunkn
22013-05-07 16:33EDTYesCCR/JMDUSGS6.460.980.040.30GoodUnspecifedunkn
12013-04-03 16:20EDTYesCCR/JMDUSGS0.460.660.000.50FairVegetationLightunkn