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Streamflow Measurements for the Nation


USGS 0165690673 FROG BRANCH ABOVE FLATLICK BRANCH AT CHANTILLY, VA
Fairfax County, Virginia
Hydrologic Unit Code 02070010
Latitude  38°52'52.1", Longitude  77°25'49.7" NAD83
Drainage area 0.99  square miles
Gage datum 242.9 feet above NAVD88
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of 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 		 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)
432025-08-12 08:40:51EDTYesTJT/HDRUSGS0.0717.870.000.50PoorDebrisLightNONE1MainWADEQSCMMVADV0.0710.03.460.02FIRMGRVLEVENSTDYEVENUNKNUPST300.00
42S2025-06-15 -- ----YesTJTUSGS80921.49 Poor NONE1MainunknQIDIR 809 unknunknunknunknunknUNKNunkn
422025-06-10 09:14:31EDTYesTJT/HDRUSGS0.3317.920.000.47PoorDebrisModerateNONE1MainWADEQSCMMVADV0.339.002.080.16FIRMGRVLEVENSTDYEVENUNKNUPST350.00
41S2025-05-13 09:30EDTYesTJTUSGS63.019.71 Poor NONE1MainunknQIDIR 63.0 unknunknunknunknunknUNKNunkn
412025-04-01 12:51EDTYesTJT/HDRUSGS0.5818.040.000.48PoorDebrisHeavyNONE1MainWADEQSCMMVADV0.588.602.420.24FIRMGRVLEVENSTDYUNEVUNKNUPST300.00
40S2024-12-11 11:30ESTYesTJTUSGS62.020.07 Poor NONE1MainunknQIDIR 62.0 unknunknunknunknunknUNKNunkn
402024-10-16 11:04:38EDTYesTJT/RAMUSGS0.0217.870.000.40PoorDebrisModerateNONE1MainWADEQSCMMVADV0.027.900.980.01FIRMsiltEVENSTDYUNEVUNKNUPST30.00
372022-10-17 11:40:32EDTYesBWDUSGS0.1317.940.000.25PoorDebrisModerateNONE1mainWADEQSCMMVADV0.134.300.540.25FIRMGRVLEVENSTDYUNEVUNKNUPST300.00
39S2022-07-13 23:30EDTYesBWDUSGS46.019.54 Unknown NONE1XSECTunknother 46.0 unknunknunknunknunknUNKNunkn
38S2022-07-09 01:15EDTYesBWDUSGS22120.71 Unknown NONE1XSECTunknQIDIR 221 unknunknunknunknunknUNKNunkn
362022-06-30 12:40:52EDTYesBWD/HKCUSGS0.1517.920.000.42PoorDebrisHeavyNONE1mainWADEQSCMMVADV0.157.902.490.06FIRMGRVLUNEVSTDYEVENUNKNUPST350.00
37S2022-05-07 02:00EDTYesBWDUSGS54.019.94 Unknown NONE1XSECTunknQIDIR 54.0 unknunknunknunknunknUNKNunkn
352022-03-03 12:00:09ESTYesBWD/HKCUSGS0.3717.930.000.50PoorDebrisLightNONE1mainWADEQSCMMVADV0.378.602.410.15FIRMSANDEVENSTDYEVENSTNDUPST250.00
342020-02-07 10:04ESTYesHDR/EDIUSGS9.2618.34-0.020.30FairClearNONE1mainWADEQSCMMVADV9.2616.722.70.41SOFTsiltEVENSTDYEVENUNKNDNST20.00
332020-01-14 08:23:30ESTYesJMD/CNDUSGS0.8317.950.000.50GoodDebrisLightNONE1mainWADEQSCMMVADV0.8310.53.050.27FIRMCBLSEVENSTDYUNEVUNKNDNST75.00
36S2019-10-31 21:30EDTYesJMDUSGS16719.76 Unknown NONE1mainunknQIDIR 167 unknunknunknunknunknUNKNunkn
322019-09-11 11:41EDTYesJMD/HDRUSGS0.0917.860.001.00PoorClearNONE1mainWADEQSCMMVADV0.0915.915.00.01FIRMSANDUNEVSTDYUNEVNSTDDNST30.00
35S2019-08-20 17:45EDTYesJMDUSGS51021.27 Unknown NONE1mainunknQIDIR 510 unknunknunknunknunknUNKNunkn
34S2019-08-15 16:00EDTYesJMDUSGS82921.92 Unknown NONE1mainunknQIDIR 829 unknunknunknunknunknUNKNunkn
312019-06-13 11:41EDTYesJMDUSGS1.9218.05-0.020.50GoodDebrisLightNONE1mainWADEQSCMMVADV1.9217.210.50.18FIRMSANDEVENSTDYEVENUNKNDNST50.00
302019-03-13 15:34EDTYesJMD/HDRUSGS0.9317.990.000.40PoorClearNONE1mainWADEQSCMMVADV0.9313.09.230.10SOFTsiltEVENSTDYEVENUNKNDNST15.00
33S2018-09-28 01:50EDTYesJMDUSGS17219.83 Unknown NONE1mainunknQIDIR 172 unknunknunknunknunknUNKNunkn
32S2018-08-21 13:15EDTYesJMDUSGS43621.02 Unknown NONE1mainunknQIDIR 436 unknunknunknunknunknUNKNunkn
31S2018-08-01 02:30EDTYesJMDUSGS58421.40 Unknown NONE1mainunknQIDIR 584 unknunknunknunknunknUNKNunkn
30S2018-07-21 19:30EDTYesJMDUSGS65721.62 Unknown NONE1mainunknQIDIR 657 unknunknunknunknunknUNKNunkn
292018-04-25 08:50:30EDTYesHDR/JMDUSGS2.7118.150.000.40FairDebrisHeavyNONE1mainWADEQSCMMVADV2.7115.16.910.39FIRMGRVLEVENSTDYEVENUNKNDNST40.00
282018-04-05 08:56:30EDTYesJMD/HDRUSGS0.5318.080.000.50PoorDebrisHeavyNONE1mainWADEQSCMMVADV0.536.902.640.20UNSPUNSPUNSPUNSPUNEVUNSPUPST75.00
0272018-02-27 11:10ESTYesJMD/TDCUSGS0.9618.790.000.50FairDebrisHeavyNONE1mainWADEQSCMMVADV0.9615.25.610.17FIRMCBLSEVENSTDYEVENUNKNDNST50.00
262015-10-13 16:27:30EDTYesTPNUSGS0.1117.94 Poor NONE1XSECTWADEQSCMMVADV0.1111.03.090.04FIRMCBLSUNEVunknEVENSTNDDNST50.00
252012-01-12 14:56ESTYesCCR/KMDUSGS3.6618.110.00 GoodVegetationLightNONE1mainWADEQSCMMVADV3.6615.010.90.34FIRMCBLSEVENunknUNEVSTNDDNST50.00
242011-11-02 10:26:30EDTYeskmd,nebUSGS0.8817.960.000.40PoorDebrisLightNONE11WADEQSCMMVADV0.8816.57.260.12FIRMGRVLEVENunknEVENUNFMDNST70.00
232011-09-14 09:48:30EDTYesDLM/KMDUSGS0.5217.930.000.70FairClearNONE1Imported Channel 1WADEQSCMMVADV0.529.302.340.22FIRMBLDREVENunknUNEVUNSPUNSP
22S2011-09-08 17:00EDTYesRRLUSGS149022.56 Poor NONE1Channel 1OTHRQIDIR 1490 UNSPUNSPUNSPunknUNSPUNSPUNSP
212011-08-31 09:15:30EDTYesKMD/WVDUSGS0.2117.880.000.50PoorVegetationLightNONE1Imported Channel 1WADEQSCMMVADV0.219.001.570.14FIRMGRVLUNEVunknUNEVUNSPUNSP
202011-07-06 14:41EDTYesKMD/WVDUSGS0.4217.92-0.020.50PoorVegetationModerateNONE1Imported Channel 1WADEQSCMMVADV0.4210.22.010.21FIRMBLDRUNSPunknEVENUNSPUPST40.00
192011-04-20 14:35:30EDTYesRLY/KMDUSGS1.0318.110.000.50FairDebrisModerateNONE1Imported Channel 1WADEQSCMMVADV1.0315.010.20.10FIRMGRVLEVENunknEVENUNKNDNST60.00
182011-03-10 15:42:30ESTYesRLY/KMDUSGS17.218.580.120.20PoorDebrisModerateNONE1Imported Channel 1WADEQSCMMVADV17.215.018.60.93FIRMGRVLEVENunknEVENUNFMDNST60.00
172011-03-10 15:02:30ESTYesRLY/KMDUSGS7.8618.310.020.20PoorClearNONE1Imported Channel 1WADEQSCMMVADV7.8614.614.70.54FIRMGRVLEVENunknEVENUNFMDNST60.00
162011-03-09 09:10ESTYesRLY/KMDUSGS2.4218.350.000.50FairDebrisHeavyNONE1Imported Channel 1WADEQSCMMVADV2.4215.114.40.17FIRMGRVLEVENunknEVENUNFMDNST60.00
152011-01-19 15:59ESTYesKMD/RLYUSGS0.3417.860.000.50PoorIceCoverNONE1Imported Channel 1WADEQSCMMVADV0.349.202.010.17FIRMGRVLEVENunknEVENUNSPUNSP
142010-11-05 09:03EDTYesRLY/KMDUSGS1.9518.300.000.40FairDebrisHeavyNONE1Imported Channel 1WADEQSCMMVADV1.9514.614.10.14FIRMGRVLEVENunknEVENUNFMDNST40.00
132010-09-30 12:55EDTYesALH/NEBUSGS13.618.80-0.030.20Poor NONE1Channel 1WADEQSCMMVADV13.615.018.60.73FIRMGRVLEVENunknEVENUNSPDNST50.00
122010-09-08 09:00EDTYesRLY/KMDUSGS0.0817.86 Good NONE1Channel 1OTHRQFLUM 0.08 FIRMGRVLEVENunknEVENUNFMUPST30.00
112010-07-14 11:26:30EDTYesKMD/MJBUSGS1.3618.280.000.60FairDebrisHeavyNONE1Imported Channel 1WADEQSCMMVADV1.3612.23.350.41UNSPUNSPUNSPunknEVENUNSPUPST40.00
102010-05-20 09:25:30EDTYesRLY/KMDUSGS0.3417.910.000.30FairClearNONE1Imported Channel 1WADEQSCMMVADV0.344.500.960.35FIRMGRVLEVENunknEVENUNSPUPST30.00
92009-12-09 12:25ESTYesKMDUSGS13.718.82-0.010.30GoodDebrisHeavyNONE1Imported Channel 1WADEQSCMMVADV13.715.021.80.63UNSPUNSPUNSPunknEVENUNSPUNSP
82009-11-10 14:48ESTYesRJA/KMDUSGS0.8918.080.000.20PoorDebrisHeavyNONE1Imported Channel 1WADEQSCMMVADV0.895.001.300.69UNSPUNSPUNSPunknUNEVUNSPUPST25.00
72009-09-28 13:54EDTYesKMD/RJAUSGS0.4817.990.000.20PoorUnspecifedNONE1Imported Channel 1WADEQSCMMVADV0.484.500.700.69UNSPUNSPUNSPunknUNSPUNSPUNSP
62009-06-10 08:41:30EDTYesRJA/RBBUSGS2.4318.90-0.010.30GoodDebrisLightNONE1Imported Channel 1WADEQSCMMVADV2.4314.78.980.27FIRMGRVLEVENunknEVENUNSPDNST85.00
52009-02-05 15:27:30ESTYesRJA/RRLUSGS1.0317.970.000.30GoodDebrisLightNONE1Imported Channel 1WADEQSCMMVADV1.0313.64.520.23FIRMGRVLEVENunknEVENUNSPUPST50.00
42008-06-05 11:30EDTYesRJA/RRLUSGS6.8118.49 GoodDebrisHeavyNONE1Imported Channel 1WADEQSCMMVADV6.8114.510.10.67UNSPUNSPUNSPunknUNSPUNSPUNSP
32008-04-21 10:40EDTYesRRLUSGS20.718.920.000.20GoodDebrisHeavyNONE1Imported Channel 1WADEQSCMMVADV20.718.021.60.96UNSPUNSPUNSPunknUNSPUNSPUNSP
22008-04-21 10:17EDTYesRRLUSGS20.618.900.050.20GoodDebrisHeavyNONE1Imported Channel 1WADEQSCMMVADV20.618.021.70.95UNSPUNSPUNSPunknUNSPUNSPUNSP
12008-03-28 08:46EDTYesRJAUSGS0.7617.930.000.20FairClearNONE1Imported Channel 1WADEQSCMMVADV0.765.301.530.50UNSPUNSPUNSPunknUNSPUNSPUNSP