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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
Output formats
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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 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
292024-10-16 12:43EDTYesTJT/RAMUSGS0.010.770.000.35PoorDebrisHeavyNONE1MainWADEQSCMMVADV0.017.700.940.01FIRMGRVLEVENSTDYUNEVUNKNUPST50.00
282024-08-20 16:23:05EDTYesTJT/RAMUSGS0.080.780.000.38PoorDebrisModerateNONE1MainWADEQSCMMVADV0.086.502.010.04FIRMGRVLEVENSTDYEVENUNKNUPST15.00
272024-04-30 12:23:04EDTYesEDI/NJBUSGS0.100.840.000.60PoorDebrisLightNONE1mainWADEQSCMMVADV0.105.050.680.14FIRMGRVLEVENUNSPEVENUNSPDNST30.00
27S2024-03-09 19:15ESTYesJKLUSGS1182.60 Unknown NONE1Mainunknother 118 unknunknunknunknunknUNKNunkn
26S2024-01-28 05:15ESTYesJKLUSGS1903.76 Unknown NONE1MainunknQIDIR 190 unknunknunknunknunknUNKNunkn
262022-05-23 11:32EDTYesJRDUSGS2.461.14 Fair NONE1MainWADEQSCMMVADV2.465.503.030.81UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
252021-10-12 15:35:02EDTYesBWDUSGS0.060.820.000.22PoorDebrisModerateNONE1mainWADEQSCMMVADV0.063.100.260.24FIRMSANDEVENUNSPUNEVUNSPDNST20.00
242021-06-14 14:10:01EDTYesBWDUSGS0.420.850.000.50PoorClearNONE1mainWADEQSCMMVADV0.428.901.960.21FIRMSANDUNEVUNSPUNEVUNSPATGA0.00
232021-04-13 10:02EDTYesTDCUSGS1.31 Good NONE1MainWADEQSCMMVADV1.313.301.221.07FIRMCBLSEVENSTDYEVENUNFMUPST15.00
222021-02-09 13:27ESTYesTDCUSGS1.47 Good NONE1MainWADEQSCMMVADV1.479.001.830.81FIRMGRVLEVENSTDYEVENUNFMDNST40.00
212021-02-05 11:49:54ESTYesBWDUSGS1.000.870.000.42PoorClearNONE1mainWADEQSCMMVADV1.0011.32.050.49FIRMGRVLEVENUNSPUNEVUNSPDNST23.00
202020-09-16 13:59EDTYesBWDUSGS0.280.730.000.50PoorClearNONE1mainWADEQSCMMVADV0.287.600.920.31FIRMGRVLEVENUNSPEVENUNSPDNST28.00
23S2020-08-16 03:15EDTYesJKLUSGS1193.29 Fair NONE1MainunknQIDIR 119 unknunknunknunknunknUNKNunkn
22S2020-07-22 17:45EDTYesJKLUSGS5965.48 Fair NONE1MainunknQIDIR 596 unknunknunknunknunknUNKNunkn
22E2018-05-14 19:45EDTYesJMDUSGS2334.37 Unspecified NONE1Mainunknother 233 unknunknunknunknunknUNKNunkn
192018-03-20 10:19EDTYesJMDUSGS1.570.940.000.40FairDebrisLightNONE1mainWADEQSCMMVADV1.576.401.930.81UNSPUNSPUNSPUNSPUNEVUNSPUPST30.00
182018-01-30 11:20:30ESTYesJMD/HDRUSGS0.150.640.000.40PoorDebrisLightNONE1mainWADEQSCMMVADV0.157.101.910.08FIRMGRVLEVENSTDYUNEVUNKNDNST30.00
21S2017-08-11 22:15EDTYesJMDUSGS55.02.16 Poor NONE1MainunknQIDIR 55.0 unknunknunknunknunknUNKNunkn
20S2017-08-03 18:15EDTYesJMDUSGS1203.42 Poor NONE1MainunknQIDIR 120 unknunknunknunknunknUNKNunkn
19S2017-07-29 01:15EDTYesJMDUSGS1373.84 Poor NONE1Mainunknother 137 unknunknunknunknunknUNKNunkn
18S2017-05-11 10:45EDTYesJMDUSGS1012.90 Poor NONE1Mainunknother 101 unknunknunknunknunknUNKNunkn
17S2017-05-05 09:45EDTYesJMDUSGS80.02.56 Poor NONE1MainunknQIDIR 80.0 unknunknunknunknunknUNKNunkn
16S2017-04-06 14:00EDTYesJMDUSGS99.03.16 Poor NONE1MainunknQIDIR 99.0 unknunknunknunknunknUNKNunkn
15S2017-04-06 14:00EDTYesJMDUSGS1102.90 Poor NONE1MainunknQIDIR 110 unknunknunknunknunknUNKNunkn
172017-04-06 10:41EDTYesJMDUSGS4.231.070.020.30FairClearNONE1MainWADEQSCMMVADV4.237.402.761.53FIRMGRVLEVENunknEVENUNKNUPST30.00
162017-04-06 10:22EDTYesJMDUSGS3.951.040.040.30FairClearNONE1MainWADEQSCMMVADV3.957.202.661.49FIRMGRVLEVENunknEVENUNKNUPST30.00
152017-04-06 10:04EDTYesJMDUSGS2.580.990.10 FairClearNONE1mainWADEQSCMMVADV2.587.102.121.21FIRMGRVLEVENunknEVENUNKNUPST30.00
142015-11-10 14:57:30ESTYesTPNUSGS1.741.16 Excellent NONE1XSECTWADEQSCMMVADV1.749.812.290.76FIRMSANDEVENunknEVENUNFMUPST30.00
132015-11-02 14:35ESTYesTPNUSGS0.060.94 Poor NONE1XSECTWADEQSCMMVADV0.064.100.590.11SOFTGRVLUNEVunknUNSPUNKNUPST30.00
122015-09-30 09:38EDTYesCCRUSGS1.561.070.020.50FairDebrisHeavyNONE1mainWADEQSCMMVADV1.5614.58.400.19FIRMSANDUNEVunknUNEVUNFMDNST25.00
112014-02-11 17:28:30ESTYesjsw ajpUSGS0.820.68 Good NONE1XSECTWADEQSCMMVADV0.8215.06.110.13FIRMSANDEVENunknEVENSTNDDNST15.00
102013-11-27 10:47:30ESTYesJMDUSGS10.61.26-0.020.40GoodClearNONE1MainWADEQSCMMVADV10.617.89.641.10FIRMGRVLEVENunknEVENSTNDUPST125.00
92013-11-27 09:01ESTYesJMDUSGS14.71.33-0.020.30GoodClearNONE1MainWADEQSCMMVADV14.718.08.641.70FIRMGRVLEVENunknEVENSTNDUPST50.00
82013-11-27 08:37:30ESTYesJMDUSGS15.41.36-0.030.30FairClearNONE1MainWADEQSCMMVADV15.418.09.191.68FIRMGRVLEVENunknEVENSTNDUPST50.00
72013-11-27 08:16ESTYesJMDUSGS16.31.39-0.020.30FairClearNONE1MainWADEQSCMMVADV16.318.09.571.70FIRMGRVLEVENunknEVENSTNDUPST50.00
62013-11-27 07:56ESTYesJMDUSGS17.41.42-0.050.20FairClearNONE1MainWADEQSCMMVADV17.418.09.911.76FIRMGRVLEVENunknEVENSTNDUPST50.00
52013-11-27 07:40ESTYesJMDUSGS18.91.47-0.050.30FairClearNONE1MainWADEQSCMMVADV18.918.010.11.87FIRMGRVLEVENunknEVENSTNDUPST50.00
32013-11-26 15:51:30ESTYesJMD/RRLUSGS0.090.580.000.30PoorDebrisLightNONE1MainWADEQSCMMVADV0.094.500.870.10FIRMGRVLEVENunknEVENUNFMDNST50.00
42013-11-26 15:47:30ESTYesJMD/RRLUSGS0.140.580.000.30PoorDebrisLightNONE1MainWADEQSCMMVADV0.143.300.530.26FIRMGRVLUNEVunknUNEVUNFMUPST25.00
22013-05-07 16:33EDTYesCCR/JMDUSGS6.460.980.040.30GoodUnspecifedNONE1MainWADEQSCMMVADV6.4612.07.560.85FIRMGRVLEVENunknEVENSTNDDNST10.00
12013-04-03 16:20EDTYesCCR/JMDUSGS0.460.660.000.50FairVegetationLightNONE1MainWADEQSCMMVADV0.4616.05.380.09FIRMCBLSEVENunknUNEVSTNDDNST100.00