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Streamflow Measurements for the Nation


USGS 01647720 NORTH BRANCH ROCK CREEK NEAR NORBECK, MD
Montgomery County, Maryland
Hydrologic Unit Code 02070010
Latitude  39°06'59", Longitude  77°06'09" NAD27
Drainage area 9.73  square miles
Gage datum 320 feet above NGVD29
Output formats
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Tab-separated data with 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 		 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)
661977-10-11 13:00EDTYesJFUSGS0.750.240.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno0.757.501.570.48UNSPUNSPUNSPunknUNSPUNSPUNSP
651977-08-22 11:45EDTYesJFHUSGS1.130.320.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno1.1378.01.560.72UNSPUNSPUNSPunknUNSPUNSPUNSP
641977-07-26 15:40EDTYesDFGUSGS1.730.380.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno1.737.001.711.01UNSPUNSPUNSPunknUNSPUNSPUNSP
631977-06-20 11:00EDTYesJMM/RRNUSGS2.390.410.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno2.3911.57.610.31UNSPUNSPUNSPunknUNSPUNSPUNSP
621977-05-11 13:40EDTYesDFGUSGS4.960.580.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno4.9628.013.10.38UNSPUNSPUNSPunknUNSPUNSPUNSP
611977-03-31 12:20ESTYesJMUSGS6.810.650.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno6.8128.013.60.50UNSPUNSPUNSPunknUNSPUNSPUNSP
601977-02-11 09:45ESTYesJMM/MSNUSGS7.820.870.000.50GoodIceCoverNONE1Imported Channel 1WADEunspeunkno7.8218.011.30.69UNSPUNSPUNSPunknUNSPUNSPUNSP
591976-12-28 12:25ESTYesJMUSGS5.040.570.000.50GoodIceShoreNONE1Imported Channel 1WADEunspeunkno5.0426.513.80.37UNSPUNSPUNSPunknUNSPUNSPUNSP
581976-11-12 13:55ESTYesJMUSGS5.010.590.000.80GoodClearNONE1Imported Channel 1WADEunspeunkno5.0127.013.90.36UNSPUNSPUNSPunknUNSPUNSPUNSP
571976-10-14 13:20EDTYesJMUSGS3.890.540.001.00GoodDebrisModerateNONE1Imported Channel 1WADEunspeunkno3.8925.513.10.30UNSPUNSPUNSPunknUNSPUNSPUNSP
561976-09-23 15:30EDTYesJFHUSGS2.030.410.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno2.039.806.720.30UNSPUNSPUNSPunknUNSPUNSPUNSP
551976-07-16 11:45EDTYesJFHUSGS4.360.520.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno4.3618.06.560.66UNSPUNSPUNSPunknUNSPUNSPUNSP
541976-06-07 12:40EDTYesDFGUSGS5.550.620.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno5.5527.012.90.43UNSPUNSPUNSPunknUNSPUNSPUNSP
531976-04-15 12:20ESTYesJMUSGS8.770.730.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno8.7727.516.40.53UNSPUNSPUNSPunknUNSPUNSPUNSP
521976-03-24 11:15ESTYesDFGUSGS7.850.730.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno7.8526.015.60.50UNSPUNSPUNSPunknUNSPUNSPUNSP
511976-01-26 11:35ESTYesRMCUSGS50.01.560.010.50GoodClearNONE1Imported Channel 1WADEunspeunkno50.031.034.81.44UNSPUNSPUNSPunknUNSPUNSPUNSP
501975-12-16 10:15ESTYesRMCUSGS8.250.940.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno8.2513.26.981.18UNSPUNSPUNSPunknUNSPUNSPUNSP
491975-11-12 10:10ESTYesRMCUSGS8.540.950.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno8.5413.47.101.20UNSPUNSPUNSPunknUNSPUNSPUNSP
481975-10-07 10:30EDTYesRMCUSGS7.830.950.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno7.8314.38.580.91UNSPUNSPUNSPunknUNSPUNSPUNSP
471975-09-26 11:00EDTYesTHY/CNUSGS13006.100.601.10FairClearNONE1Imported Channel 1WADEunspeunkno130026.52325.63UNSPUNSPUNSPunknUNSPUNSPUNSP
461975-08-21 11:25EDTYesDJSUSGS4.120.560.000.40FairClearNONE1Imported Channel 1WADEunspeunkno4.1221.613.60.30UNSPUNSPUNSPunknUNSPUNSPUNSP
451975-07-23 14:55EDTYesDJSUSGS10.20.80-0.010.60GoodClearNONE1Imported Channel 1WADEunspeunkno10.224.313.10.78UNSPUNSPUNSPunknUNSPUNSPUNSP
441975-07-14 13:05EDTYesTHY/DJSUSGS1332.43-0.360.50GoodClearNONE1Imported Channel 1WADEunspeunkno13327.851.82.59UNSPUNSPUNSPunknUNSPUNSPUNSP
431975-06-24 15:40EDTYesGHC/DJSUSGS4.020.470.000.50FairClearNONE1Imported Channel 1WADEunspeunkno4.0221.213.80.29UNSPUNSPUNSPunknUNSPUNSPUNSP
421975-05-13 13:55EDTYesRMCUSGS14.30.85-0.010.50GoodClearNONE1Imported Channel 1WADEunspeunkno14.318.114.60.98UNSPUNSPUNSPunknUNSPUNSPUNSP
411975-04-02 10:55EDTYesRMCUSGS10.90.760.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno10.918.518.60.59UNSPUNSPUNSPunknUNSPUNSPUNSP
401975-04-01 14:40EDTYesRMCUSGS12.20.790.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno12.218.614.30.85UNSPUNSPUNSPunknUNSPUNSPUNSP
391975-02-14 12:00ESTYesRMCUSGS7.780.660.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno7.7820.812.70.61UNSPUNSPUNSPunknUNSPUNSPUNSP
381975-01-07 12:45ESTYesWJHUSGS6.000.570.000.70GoodClearNONE1Imported Channel 1WADEunspeunkno6.0013.27.210.83UNSPUNSPUNSPunknUNSPUNSPUNSP
371974-12-16 12:05ESTYesWJH/GHCUSGS2463.50-0.370.80PoorClearNONE1Imported Channel 1WADEunspeunkno24626.51142.16UNSPUNSPUNSPunknUNSPUNSPUNSP
361974-11-08 12:00ESTYesWJHUSGS2.240.650.000.80GoodClearNONE1Imported Channel 1WADEunspeunkno2.249.806.430.35UNSPUNSPUNSPunknUNSPUNSPUNSP
351974-10-01 14:40EDTYesTHYUSGS2.370.410.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno2.379.804.470.53UNSPUNSPUNSPunknUNSPUNSPUNSP
341974-09-26 16:04EDTYesWJHUSGS1.400.330.010.50FairClearNONE1Imported Channel 1WADEunspeunkno1.4015.715.10.93UNSPUNSPUNSPunknUNSPUNSPUNSP
331974-07-24 15:15EDTYesOJS/GHCUSGS1.670.290.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno1.6715.45.610.30UNSPUNSPUNSPunknUNSPUNSPUNSP
321974-05-16 14:20EDTYesWJH/GHCUSGS6.840.610.000.90GoodClearNONE1Imported Channel 1WADEunspeunkno6.8415.719.10.36UNSPUNSPUNSPunknUNSPUNSPUNSP
311974-03-07 14:08EDTYesWJHUSGS8.300.670.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno8.3016.420.40.41UNSPUNSPUNSPunknUNSPUNSPUNSP
301973-12-28 13:30ESTYesWJH/SCCUSGS12.80.830.001.00FairClearNONE1Imported Channel 1WADEunspeunkno12.822.734.50.37UNSPUNSPUNSPunknUNSPUNSPUNSP
291973-08-14 11:00EDTYesWJH/SCCUSGS3.560.480.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno3.568.005.100.70UNSPUNSPUNSPunknUNSPUNSPUNSP
281973-06-12 12:05EDTYesWJHUSGS8.430.680.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno8.4319.623.20.36UNSPUNSPUNSPunknUNSPUNSPUNSP
271973-04-05 14:55ESTYesTHYUSGS22.41.11-0.010.50GoodClearNONE1Imported Channel 1WADEunspeunkno22.416.424.00.93UNSPUNSPUNSPunknUNSPUNSPUNSP
261973-03-14 13:50ESTYesCSGUSGS11.60.810.000.50FairClearNONE1Imported Channel 1WADEunspeunkno11.622.013.80.84UNSPUNSPUNSPunknUNSPUNSPUNSP
251973-01-17 15:26ESTYesCSGUSGS11.10.790.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno11.123.014.80.75UNSPUNSPUNSPunknUNSPUNSPUNSP
241972-11-14 15:55ESTYesCSG/THYUSGS79.02.54-0.130.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno79.023.049.01.61UNSPUNSPUNSPunknUNSPUNSPUNSP
231972-11-14 15:22ESTYesCSG/THYUSGS88.02.74-0.240.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno88.023.5 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
221972-11-14 10:47ESTYesCSG/THYUSGS3885.35-0.071.00FairDebrisLightNONE1Imported Channel 1WADEunspeunkno38828.01502.58UNSPUNSPUNSPunknUNSPUNSPUNSP
211972-10-19 14:58EDTYesCSGUSGS13.50.98-0.010.70FairClearNONE1Imported Channel 1WADEunspeunkno13.523.530.00.45UNSPUNSPUNSPunknUNSPUNSPUNSP
201972-09-28 15:50EDTYesCSGUSGS3.120.500.000.70FairClearNONE1Imported Channel 1WADEunspeunkno3.127.404.320.72UNSPUNSPUNSPunknUNSPUNSPUNSP
191972-06-28 17:25EDTYesCSGUSGS17.51.04-0.021.00GoodClearNONE1Imported Channel 1WADEunspeunkno17.511.512.41.41UNSPUNSPUNSPunknUNSPUNSPUNSP
18C1972-06-22 -- ----YesCGJUSGS1010014.10 Fair NONE1Imported Channel 1UNSPother 10100 UNSPUNSPUNSPunknUNSPUNSPUNSP
171972-03-21 11:45ESTYesGBCUSGS14.90.890.000.70GoodClearNONE1Imported Channel 1WADEunspeunkno14.929.524.30.62UNSPUNSPUNSPunknUNSPUNSPUNSP
161972-02-14 10:10ESTYesCSGUSGS26.11.190.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno26.127.028.00.93UNSPUNSPUNSPunknUNSPUNSPUNSP
151972-01-06 14:25ESTYesCSG/GBCUSGS12.50.870.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno12.529.023.10.54UNSPUNSPUNSPunknUNSPUNSPUNSP
141971-11-16 11:00ESTYesCSGUSGS8.490.740.001.00GoodClearNONE1Imported Channel 1WADEunspeunkno8.4925.017.20.49UNSPUNSPUNSPunknUNSPUNSPUNSP
131971-05-13 16:30EDTYesWJDUSGS56.51.67-0.080.50GoodClearNONE1Imported Channel 1WADEunspeunkno56.528.027.62.05UNSPUNSPUNSPunknUNSPUNSPUNSP
121971-05-06 14:40EDTYesTHYUSGS6.480.670.000.60GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno6.4812.07.890.82UNSPUNSPUNSPunknUNSPUNSPUNSP
111970-04-15 13:00ESTYesWJDUSGS47.51.48-0.031.00GoodClearNONE1Imported Channel 1WADEunspeunkno47.528.043.71.09UNSPUNSPUNSPunknUNSPUNSPUNSP
101970-04-14 16:28ESTYesWJD/THYUSGS3963.88-0.070.50FairClearNONE1Imported Channel 1WADEunspeunkno39635.090.84.36UNSPUNSPUNSPunknUNSPUNSPUNSP
91969-11-04 15:50ESTYesWJDUSGS2.870.660.000.70GoodClearNONE1Imported Channel 1WADEunspeunkno2.8713.15.400.53UNSPUNSPUNSPunknUNSPUNSPUNSP
81969-03-18 15:12ESTYesTHYUSGS5.400.610.000.50FairClearNONE1Imported Channel 1WADEunspeunkno5.4022.018.90.28UNSPUNSPUNSPunknUNSPUNSPUNSP
71968-09-20 10:03ESTYesTHYUSGS0.900.310.000.50FairClearNONE1Imported Channel 1WADEunspeunkno0.9010.23.710.24UNSPUNSPUNSPunknUNSPUNSPUNSP
61968-05-28 13:30ESTYesWJD/THYUSGS1992.780.131.00GoodClearNONE1Imported Channel 1WADEunspeunkno19925.058.93.38UNSPUNSPUNSPunknUNSPUNSPUNSP
51968-03-08 13:10ESTYesTHY/JRGUSGS5.100.530.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno5.1019.613.10.39UNSPUNSPUNSPunknUNSPUNSPUNSP
41967-08-01 08:45ESTYesWJDUSGS1.980.040.000.70GoodClearNONE1Imported Channel 1WADEunspeunkno1.9812.14.830.41UNSPUNSPUNSPunknUNSPUNSPUNSP
31967-06-02 13:10ESTYesTHYUSGS4.540.57-0.010.60GoodClearNONE1Imported Channel 1WADEunspeunkno4.5410.08.130.56UNSPUNSPUNSPunknUNSPUNSPUNSP
21967-03-15 10:30ESTYesWJDUSGS97.71.990.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno97.729.058.01.68UNSPUNSPUNSPunknUNSPUNSPUNSP
11967-03-08 11:00ESTYesWJDUSGS19.11.010.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno19.129.030.40.63UNSPUNSPUNSPunknUNSPUNSPUNSP