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Streamflow Measurements for the Nation


USGS 01656903 FLATLICK BRANCH ABOVE FROG BRANCH AT CHANTILLY, VA


Fairfax County, Virginia
Hydrologic Unit Code 02070010
Latitude  38°52'56.2", Longitude  77°25'55.9" NAD27
Drainage area 4.20  square miles
Gage datum 256.8 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
 
1452024-10-16 08:58:02EDTYesTJT/RAMUSGS0.571.030.000.68PoorVegetationHeavyNONE
1442024-08-20 10:36:07EDTYesRAM/TJTUSGS1.141.14-0.010.78PoorVegetationHeavyNONE
1432024-06-11 08:52:05EDTYesTJT/RAMUSGS0.671.030.000.80PoorVegetationModerateNONE
1422024-04-30 10:08:09EDTYesEDI/NJBUSGS0.771.080.000.75PoorVegetationLightNONE
1412024-02-21 12:45:26ESTYesEDI/TJTUSGS2.271.160.010.51PoorVegetationModerateNONE
140S2024-01-28 05:20ESTYesJKLUSGS3994.29 Unknown NONE
1402024-01-10 09:01:34ESTYesEDI/TJTUSGS33.01.74-0.010.55PoorVegetationLightNONE
139S2023-12-18 -- ----YesJKLUSGS3784.63 Unknown NONE
1392023-10-17 08:26:04EDTYesEDI/TJTUSGS0.881.080.000.75PoorVegetationLightNONE
1382023-08-15 15:36:06EDTYesEDI/BWDUSGS1.471.100.000.66PoorVegetationModerateNONE
1372023-06-27 15:12:05EDTYesHKC/JATUSGS1543.000.010.20PoorDebrisModerateNONE
1362023-06-27 08:49:09EDTNo
1352023-05-24 11:44EDTYesHKC/NJBUSGS0.421.020.000.50FairVegetationLightNONE
1342023-03-20 15:55:03EDTYesBWD/DAM/JATUSGS1.321.090.010.75PoorDebrisLightNONE
1332023-01-12 15:53:34ESTYesRAM/BWDUS1.541.110.000.60PoorVegetationLightNONE
132S2022-12-22 21:35ESTYesBWDUSGS3684.09 Unknown NONE
1322022-10-17 12:36:09EDTYesBWDUSGS1.221.100.000.50PoorDebrisLightNONE
1312022-08-18 11:32:03EDTYesRAM/BWD/HKCUS1.011.050.000.50FairClearNONE
131S2022-07-21 16:43EDTYesBWDU.S.3604.48 Unknown NONE
130S2022-07-09 01:55EDTYesBWDUSGS5055.25 Unknown NONE
1302022-06-30 13:32:09EDTYesBWD/HKCUSGS0.781.010.000.50FairVegetationModerateNONE
129S2022-05-07 02:20EDTYesBWDUSGS2783.50 Unknown NONE
1292022-04-27 14:13:09EDTYesHKC/BWDUSGS1.841.120.000.50FairDebrisLightNONE
1282022-03-03 12:58:10ESTYesBWD/HKCUSGS2.721.140.000.58PoorClearNONE
1272022-01-10 13:39:34ESTYesBWD/HKCUSGS11.71.390.000.50GoodClearNONE
127S2021-10-29 14:15EDTYesBWDUSGS3604.01 Unknown NONE
1262021-10-20 14:07:09EDTYesBWDUSGS0.771.040.000.63PoorVegetationModerateNONE
126S2021-09-01 03:30EDTYesBWDUSGS11606.68 Unknown NONE
1252021-08-12 14:23:08EDTYesBWDUSGS0.390.960.000.50FairVegetationModerateNONE
125S2021-06-14 23:00EDTYesBWDUSGS3534.49 Unknown NONE
1242021-06-11 09:45:05EDTYesBWDUSGS11.11.360.000.50GoodClearNONE
1232021-04-06 09:11:05EDTYesBWDUSGS3.361.160.000.58FairClearNONE
1222021-02-05 08:57:29ESTYesBWDUSGS3.841.180.000.50FairClearNONE
122S2020-10-29 11:45EDTYesJKLUSGS3423.96 Fair NONE
1212020-10-26 09:25:02EDTYesBWDUSGS3.411.180.000.63FairDebrisLightNONE
121S2020-08-28 18:45EDTYesJKLUSGS2583.37 Fair NONE
1202020-08-25 11:19EDTYesBWDUSGS3.221.160.000.42FairClearNONE
1192020-08-04 13:27EDTYesMTL/JMDUSGS1132.44-0.150.50FairClearNONE
1182020-08-04 12:49EDTYesMTL/JMDUSGS1362.63-0.200.50FairClearNONE
117S2020-07-22 16:10EDTNo
1172020-06-01 12:17:06EDTYesEDIUSGS1.261.060.000.50FairClearNONE
1162020-06-01 11:23:01EDTYesEDIUSGS1.011.060.000.50FairClearNONE
116S2020-04-13 07:36EDTYesJKLUSGS3664.28 Poor NONE
1152020-03-24 10:15EDTYesBWDUSGS2.771.090.000.50GoodClearNONE
1142020-02-07 10:33:30ESTYesHDR/EDIUSGS54.81.93-0.020.30FairClearNONE
1132020-02-04 07:59:53ESTYesBWD/EDI/JRAUSGS2.781.090.010.75FairDebrisLightNONE
1122019-12-05 10:34:19ESTYesBPP/KMDUSGS3.271.11-0.010.75GoodVegetationLightNONE
1112019-11-07 12:40:30ESTYesBWD/ RAOUSGS2.171.050.010.75FairDebrisLightNONE
1102019-09-12 08:00EDTYesBWD/EDIUSGS0.340.880.000.50PoorClearNONE
110S2019-08-15 16:07EDTYesJKLUSGS11506.71 Poor NONE
1092019-07-09 15:41EDTYesBWD/EDIUSGS3.661.110.000.50GoodClearNONE
1082019-06-13 10:29EDTYesJMDUSGS17.21.46-0.040.50GoodClearNONE
1072019-04-09 14:11EDTYesHDR/CLBUSGS2.151.030.000.80PoorClearNONE
107S2019-03-21 18:20EDTYesJMDUSGS4024.31 Poor NONE
1062019-02-06 08:22ESTYesHDR, CLBUSGS3.371.090.00 FairClearNONE
106S2018-11-24 17:55ESTYesJMDUSGS3944.20 Poor NONE
1052018-11-05 11:37ESTYesHDR/JATUSGS1402.50-0.150.50PoorDebrisLightNONE
1042018-11-05 10:42:30ESTYesHDR/JATUSGS1692.82-0.150.50PoorDebrisLightNONE
104S2018-09-28 01:55EDTYesJMDUSGS4314.53 Poor NONE
1032018-09-05 12:52EDTYesHDR/CLBUSGS3.001.060.000.70Good NONE
103S2018-07-21 19:45EDTYesJMDUSGS8786.14 Poor NONE
1022018-07-16 15:14EDTYesHDR/CLBUSGS0.450.860.000.50PoorVegetationModerateNONE
1012018-05-15 10:28EDTYesHDR/CNDUSGS51.51.83-0.030.50GoodClearNONE
1002018-05-15 09:34EDTYesHDR/CNDUSGS62.81.93-0.020.30GoodClearNONE
0992018-05-15 08:43EDTYesHDR/CNDUSGS74.52.06-0.050.40GoodClearNONE
0982018-05-15 08:12EDTYesHDR/CNDUSGS83.62.12-0.030.30GoodClearNONE
0972018-04-25 09:28EDTYesHDR/JMDUSGS19.31.46-0.020.50GoodClearNONE
0962018-04-25 07:57EDTYesHDR/JMDUSGS23.91.53-0.020.20FairClearNONE
0952018-04-24 11:42EDTYesHDR/JMDUSGS2.131.000.000.40GoodClearNONE
0942018-02-27 09:51:30ESTYesJMD/TDCUSGS5.250.790.000.50FairDebrisLightNONE
0932018-01-26 08:09:30ESTYesJMD/HDRUSGS3.540.750.050.50FairDebrisLightNONE
0922017-11-30 10:14ESTYesHDR/JMDUSGS1.110.640.000.50FairDebrisLightNONE
912017-10-03 12:22EDTYesJMD/HDRUSGS0.450.580.000.60GoodDebrisLightNONE
0902017-08-01 15:55EDTYesJMD/AJPUSGS1.490.62-0.050.50GoodClearNONE
892017-06-08 13:50EDTYesJMD/JATUSGS1.440.630.0040.60GoodClearNONE
882017-04-05 13:36EDTYesJMD/HDRUSGS3.570.730.000.70GoodClearNONE
872017-02-08 15:28ESTYesHDR/JMDUSGS1.230.640.010.50GoodDebrisLightNONE
862016-12-13 13:20:30ESTYesJMD/HDRUSGS1.360.640.000.50GoodDebrisLightNONE
852016-10-19 10:21EDTYesJMD/KMDUSGS0.560.690.000.50GoodDebrisModerateNONE
842016-09-22 14:06EDTYesJMDUSGS0.410.580.000.50GoodDebrisLightNONE
832016-07-19 10:25EDTYesNEB/KMDUSGS2.260.67-0.030.40GoodVegetationLightNONE
83S2016-05-23 18:35EDTYesJMDUSGS4585.19 Poor NONE
822016-04-25 16:23EDTYesJMD/BTCUSGS1.280.620.000.40FairDebrisLightNONE
812016-03-03 08:10:30ESTYesJMD/HDRUSGS4.100.750.010.50FairDebrisLightNONE
80S2016-02-24 18:50ESTYesJMDUSGS3374.41 Poor NONE
792016-01-12 15:20ESTYesJMD/ALHUSGS5.900.790.000.50GoodClearNONE
782015-11-18 09:34:30ESTYesJMD/ALHUSGS1.380.640.000.50GoodDebrisModerateNONE
772015-09-29 13:38EDTYesNEB/CCRUSGS0.460.610.000.40FairVegetationModerateNONE
762015-09-04 07:56EDTYesNEB/CCRUSGS0.410.590.000.40FairDebrisModerateNONE
752015-07-16 08:06EDTYesNEB/CCRUSGS2.470.680.000.50FairClearNONE
75S2015-07-08 19:15EDTYesJMDUSGS13507.07 Poor NONE
742015-05-11 13:40EDTYesNEBUSGS4.150.75-0.010.50FairClearNONE
732015-03-18 14:12EDTYesNEB/CCRUSGS6.640.80-0.010.60GoodDebrisLightNONE
722015-01-15 12:02ESTYesNEB/CCRUSGS8.510.840.050.50GoodDebrisLightNONE
712014-11-18 13:42ESTYesCCR,AMCUSGS3.240.740.000.50FairDebrisModerateNONE
702014-09-24 11:03EDTYesNEB/DLMUSGS0.570.620.010.90FairDebrisLightNONE
692014-07-23 08:24EDTYesNEB/AMCUSGS1.710.680.010.80GoodClearNONE
682014-05-20 16:18EDTYesNEB/CCRUSGS5.290.82-0.010.50GoodClearNONE
672014-03-26 11:53EDTYesNEB/CCRUSGS5.100.780.000.50GoodClearNONE
662014-01-29 08:45:30ESTYesJMD/CCRUSGS2.220.710.020.50PoorIceShoreNONE
65s2013-12-29 12:43ESTYesCCR/JMDUSGS3153.89 Poor NONE
642013-11-20 08:53:30ESTYesJMD/CCRUSGS1.390.670.000.80FairDebrisModerateNONE
63s2013-10-11 20:43EDTYesCCR/JMDUSGS7366.10 Poor NONE
622013-09-18 08:31EDTYesJMD/CCRUSGS0.480.540.000.60GoodDebrisModerateNONE
612013-07-25 10:02EDTYesJMD/CCRUSGS1.440.620.000.50GoodDebrisLightNONE
60s2013-07-12 01:23EDTYesCCR/JMDUSGS27908.07 Fair NONE
592013-05-22 10:42EDTYesJMD/CCRUSGS2.320.650.000.60GoodClearNONE
582013-04-04 08:19EDTYesCCR/JMDUSGS2.610.690.000.40GoodVegetationLightNONE
57s2013-03-12 11:22EDTYesCCR/JMDUSGS3454.34 Poor NONE
56s2013-01-31 00:25ESTYesCCR/JMDUSGS4115.00 Fair NONE
552013-01-29 13:33:30ESTYesCCR/JMDUSGS2.830.690.000.90GoodClearNONE
542012-11-28 13:17:30ESTYesCCR/JMDUSGS1.090.650.025.00FairDebrisModerateNONE
53s2012-10-29 23:20EDTYesCCR/JMDUSGS5615.860.000.00Poor NONE
522012-10-04 08:19EDTYesJMD/CCRUSGS3.730.710.000.50GoodClearNONE
512012-09-18 12:36EDTYesneb/kmdUSGS10.80.940.120.20PoorDebrisLightNONE
502012-08-08 12:08EDTYesCCR/JMDUSGS0.510.550.000.50GoodDebrisModerateNONE
492012-06-14 08:01EDTYesCCR/JMDUSGS1.610.620.000.50FairDebrisLightNONE
482012-04-12 08:14EDTYesJMD/CCRUSGS0.920.590.000.50FairDebrisLightNONE
472012-01-12 16:29ESTYesCCR/KMDUSGS15.21.03-0.02 GoodClearNONE
462011-11-02 09:31EDTYeskmd,nebUSGS5.260.780.000.50GoodDebrisLightNONE
452011-09-14 08:21EDTYesDLM/KMDUSGS3.120.680.000.90GoodClearNONE
44S2011-09-08 16:20EDTYesRRLUSGS67609.31 Poor NONE
432011-08-31 08:00EDTYesKMD/WVDUSGS2.160.600.010.60Fair NONE
422011-07-06 13:31EDTYesKMD/WVDUSGS1.430.55-0.030.60FairClearNONE
412011-04-20 15:28EDTYesRLY/KMDUSGS5.170.750.000.50GoodClearNONE
402011-03-10 16:38ESTYesRLY/KMDUSGS1272.460.05 FairClearNONE
392011-03-10 16:19ESTYesRLY/KMDUSGS1102.290.17 FairClearNONE
382011-03-09 08:05ESTYesRLY/KMDUSGS10.70.920.000.70FairClearNONE
372011-01-20 14:15ESTYesKMDUSGS2.210.650.000.30PoorDebrisModerateNONE
362010-11-03 14:24EDTYesRLY/KMDUSGS1.640.690.000.50Poor NONE
35S2010-09-30 04:25EDTYesRLYUSGS7255.86 Poor NONE
342010-09-08 10:23EDTYesRLY/KMDUSGS0.240.500.000.60Poor NONE
332010-08-18 15:07EDTYesNEBUSGS60.21.82-0.050.20PoorClearNONE
322010-08-18 14:48EDTYesNEBUSGS65.31.83-0.020.20PoorClearNONE
312010-08-18 14:32EDTYesNEBUSGS68.21.93-0.060.30PoorClearNONE
302010-08-18 14:13EDTYesNEBUSGS69.72.03-0.070.20PoorClearNONE
29S2010-08-05 18:15EDTYesRLYUSGS5135.49 Poor NONE
282010-07-14 10:16EDTYesMJB/KMDUSGS13.50.96-0.020.60FairUnspecifedNONE
272010-05-20 10:40EDTYesRLY/KMDUSGS1.600.580.000.70FairClearNONE
262010-03-16 17:00EDTYesALH/KMDUSGS11.30.95-0.010.30FairClearNONE
252010-01-26 15:05ESTYesALH/RRLUSGS10.90.890.000.40FairClearNONE
242009-12-09 13:08ESTYesKMDUSGS78.61.90-0.040.40FairClearNONE
232009-12-02 10:10ESTYesRJA/KMDUSGS4.600.710.000.50FairUnspecifedNONE
222009-11-10 14:30ESTYesKMD/RJAUSGS1.240.560.000.40FairDebrisModerateNONE
212009-09-23 13:10EDTYesRJA/KMDUSGS0.480.470.000.30PoorDebrisModerateNONE
202009-07-22 10:49EDTYesrja/kmdUSGS0.380.490.000.20FairUnspecifedNONE
192009-06-10 07:52EDTYesrja/rbbUSGS12.00.910.010.40GoodClearNONE
182009-04-08 13:00EDTYesrjaUSGS3.500.650.000.40GoodClearNONE
172009-02-05 16:00ESTYesrja/rrlUSGS2.660.610.000.40GoodClearNONE
162008-12-15 15:52:24ESTYesrja/rrlUSGS4.440.670.000.60GoodClearNONE
152008-10-07 14:10EDTYesRRLUSGS1.210.530.000.30FairVegetationLightNONE
14s2008-09-06 14:20EDTYesRRLUSGS19606.79 PoorUnspecifedNONE
132008-08-26 11:53EDTYesRRLUSGS0.250.450.010.40PoorVegetationLightNONE
122008-06-05 10:38EDTYesrrl/rjaUSGS28.31.24-0.040.30GoodClearNONE
11s2008-05-11 23:10EDTYesRRLUSGS21706.99 PoorUnspecifedNONE
102008-04-21 11:20EDTYesRRLUSGS71.71.98-0.050.20FairUnspecifedNONE
92008-04-21 09:35EDTYesRRLUSGS74.02.080.010.30FairUnspecifedNONE
9s2008-04-21 01:35EDTYesRRLUSGS4155.50 PoorUnspecifedNONE
82008-02-21 08:59ESTYesRJA/RRLUSGS2.230.610.000.30GoodClearNONE
72007-11-07 07:58ESTYesRLYUSGS0.610.580.000.40PoorDebrisModerateNONE
62007-10-25 08:11EDTYesCCR/RRLUSGS17.31.130.000.30GoodUnspecifedNONE
52007-10-25 07:50EDTYesCCR/RRLUSGS17.01.150.000.20GoodUnspecifedNONE
42007-10-25 07:33EDTYesRRL/CCRUSGS17.71.16-0.020.20GoodUnspecifedNONE
32007-10-24 18:14EDTYesRRL/CCRUSGS0.900.550.010.40FairDebrisModerateNONE
22007-10-24 17:22EDTYesCCR/RRLUSGS0.790.530.010.50FairDebrisModerateNONE
12007-09-27 14:50EDTYesRRL/SMWUSGS0.120.420.000.50PoorDebrisModerateNONE