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Streamflow Measurements for the Nation


USGS 01621470 BLACKS RUN AT RT 704 NEAR MOUNT CRAWFORD, VA


Rockingham County, Virginia
Hydrologic Unit Code 02070005
Latitude  38°22'43", Longitude  78°55'42" NAD27
Drainage area 18.8  square miles
Gage datum 1,170 feet above NGVD29
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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)
352001-01-24 11:55ESTYesSLWUSGS6.662.00-0.010.30GoodClearNONE1Imported Channel 1WADEunspeunkno6.6612.09.080.73UNSPUNSPUNSPunknUNSPUNSPUNSP
342000-12-12 12:57ESTYesSLWUSGS2.831.820.000.30FairDebrisLightNONE1Imported Channel 1WADEunspeunkno2.839.701.821.56UNSPUNSPUNSPunknUNSPUNSPUNSP
332000-10-18 13:54EDTYesKMDUSGS3.141.880.000.30FairVegetationLightNONE1Imported Channel 1WADEunspeunkno3.149.006.360.49UNSPUNSPUNSPunknUNSPUNSPUNSP
322000-09-19 11:15EDTYesSLW/RLYUSGS3215.770.160.60FairUnspecifedNONE1Imported Channel 1CRANunspeunkno32197.02021.59UNSPUNSPUNSPunknUNSPUNSPUNSP
312000-09-05 10:20EDTYesKMDUSGS10.62.16-0.010.40GoodVegetationLightNONE1Imported Channel 1WADEunspeunkno10.613.610.80.98UNSPUNSPUNSPunknUNSPUNSPUNSP
302000-08-15 09:40EDTYesDLMUSGS4.791.900.001.00GoodDebrisModerateNONE1Imported Channel 1WADEunspeunkno4.7916.715.90.30UNSPUNSPUNSPunknUNSPUNSPUNSP
292000-07-31 18:13EDTYesKMDUSGS10.42.120.000.30FairVegetationLightNONE1Imported Channel 1WADEunspeunkno10.413.011.50.90UNSPUNSPUNSPunknUNSPUNSPUNSP
282000-07-31 13:35EDTYesKMDUSGS8.752.060.000.50GoodVegetationLightNONE1Imported Channel 1WADEunspeunkno8.7513.011.00.80UNSPUNSPUNSPunknUNSPUNSPUNSP
272000-06-16 -- ----YesJMG/TLBUSGS1264.20-0.200.30Poor NONE1Imported Channel 1WADEunspeunkno12641.075.11.68UNSPUNSPUNSPunknUNSPUNSPUNSP
262000-06-14 20:45EDTYesJMG/TLBUSGS1814.600.670.40Poor NONE1Imported Channel 1WADEunspeunkno18196.01111.63UNSPUNSPUNSPunknUNSPUNSPUNSP
252000-06-12 10:30EDTYesKMDUSGS4.471.900.000.70GoodClearNONE1Imported Channel 1WADEunspeunkno4.4710.07.090.63UNSPUNSPUNSPunknUNSPUNSPUNSP
242000-04-28 11:23EDTYesRMMUSGS6.562.010.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno6.5615.58.990.73UNSPUNSPUNSPunknUNSPUNSPUNSP
232000-03-08 10:08ESTYesKMDUSGS3.941.870.000.60GoodVegetationLightNONE1Imported Channel 1WADEunspeunkno3.9410.46.570.60UNSPUNSPUNSPunknUNSPUNSPUNSP
222000-01-18 10:24ESTYesKMDUSGS3.331.900.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno3.3311.78.440.39UNSPUNSPUNSPunknUNSPUNSPUNSP
211999-11-22 14:55ESTYesRMMUSGS3.481.880.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno3.4814.08.680.40UNSPUNSPUNSPunknUNSPUNSPUNSP
201999-11-02 10:05ESTYesJMGUSGS4.361.930.010.60GoodVegetationLightNONE1Imported Channel 1WADEunspeunkno4.3612.710.40.42UNSPUNSPUNSPunknUNSPUNSPUNSP
191999-10-13 10:30EDTYesJMGUSGS8.412.070.000.50UnspecifiedVegetationLightNONE1Imported Channel 1WADEunspeunkno8.4112.58.710.97UNSPUNSPUNSPunknUNSPUNSPUNSP
181999-10-08 11:55EDTYesRMMUSGS8.582.13-0.010.40GoodClearNONE1Imported Channel 1WADEunspeunkno8.5813.010.20.84UNSPUNSPUNSPunknUNSPUNSPUNSP
171999-09-16 08:00EDTYesJMG/MELUSGS91.43.79-0.080.80UnspecifiedDebrisModerateNONE1Imported Channel 1WADEunspeunkno91.439.059.21.54UNSPUNSPUNSPunknUNSPUNSPUNSP
161999-08-31 11:30EDTYesRMMUSGS4.671.870.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno4.6712.06.480.72UNSPUNSPUNSPunknUNSPUNSPUNSP
151999-07-19 14:30EDTYesRMMUSGS2.031.690.000.50FairDebrisModerateNONE1Imported Channel 1WADEunspeunkno2.038.401.881.08UNSPUNSPUNSPunknUNSPUNSPUNSP
141999-06-09 11:17EDTYesRMMUSGS2.281.710.000.50FairDebrisModerateNONE1Imported Channel 1WADEunspeunkno2.288.702.181.05UNSPUNSPUNSPunknUNSPUNSPUNSP
131999-05-14 12:00EDTYesSLWUSGS15.22.28 Fair NONE1Imported Channel 1WADEunspeunkno15.218.0 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
121999-05-14 10:05EDTYesSLWUSGS16.52.30 Fair NONE1Imported Channel 1WADEunspeunkno16.518.0 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
111999-05-08 09:45EDTYesJMGUSGS1104.290.070.40PoorClearNONE1Imported Channel 1WADEunspeunkno11039.077.01.43UNSPUNSPUNSPunknUNSPUNSPUNSP
101999-05-08 06:00EDTYesJMGUSGS96.73.88-0.170.40PoorClearNONE1Imported Channel 1WADEunspeunkno96.738.062.61.54UNSPUNSPUNSPunknUNSPUNSPUNSP
91999-05-08 04:00EDTYesJMGUSGS29.42.730.250.50PoorClearNONE1Imported Channel 1WADEunspeunkno29.422.221.61.36UNSPUNSPUNSPunknUNSPUNSPUNSP
81999-05-03 12:30EDTYesRMMUSGS3.441.86-0.010.50PoorDebrisLightNONE1Imported Channel 1WADEunspeunkno3.4414.07.270.47UNSPUNSPUNSPunknUNSPUNSPUNSP
71999-04-28 09:15EDTYesJMG/DMLUSGS3.841.940.000.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno3.8413.210.70.36UNSPUNSPUNSPunknUNSPUNSPUNSP
61999-04-27 15:15EDTYesJMG/DLMUSGS4.041.960.000.60UnspecifiedDebrisLightNONE1Imported Channel 1WADEunspeunkno4.0412.610.70.38UNSPUNSPUNSPunknUNSPUNSPUNSP
51999-04-15 12:30EDTYesJMGUSGS5.082.020.000.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno5.0815.410.20.50UNSPUNSPUNSPunknUNSPUNSPUNSP
41999-03-29 13:00ESTYesRMMUSGS8.292.120.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno8.2914.010.50.79UNSPUNSPUNSPunknUNSPUNSPUNSP
31999-03-22 09:45ESTYesJMG/DLMUSGS26.32.52-0.020.80GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno26.316.916.61.58UNSPUNSPUNSPunknUNSPUNSPUNSP
21999-03-17 15:30ESTYesJMG/DLMUSGS19.72.400.000.90GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno19.717.014.71.34UNSPUNSPUNSPunknUNSPUNSPUNSP
11999-02-18 11:00ESTYesRKWUSGS59.43.14-0.120.50Fair NONE1Imported Channel 1WADEunspeunkno59.416.825.72.31UNSPUNSPUNSPunknUNSPUNSPUNSP