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Streamflow Measurements for the Nation


USGS 0164599725 ROCKY RUN AT MOUTH NEAR GREAT FALLS, VA
Fairfax County, Virginia
Hydrologic Unit Code 02070008
Latitude  38°58'32.5", Longitude  77°14'47.2" NAD83
Drainage area 3.27  square miles
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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)
72017-10-25 10:11EDTYesDLMUSGS0.44 Fair unkn1XSECTWADEQSCMMVADV0.443.900.870.51UNSPUNSPUNSPUNSPUNSPUNSPUNSP
62016-06-08 10:38EDTYesJSWUSGS1.69 Fair unkn1XSECTWADEQSCMMVADV1.698.002.830.60FIRMSANDUNEVunknEVENUNFMUPST20.00
52015-06-11 12:50EDTYesKEHUSGS1.17 Fair unkn1XSECTWADEQSCMMVADV1.176.403.350.35FIRMGRVLEVENunknUNSPSTNDUPST20.00
42014-06-02 11:30EDTYesDLM RDRUSGS2.28 Unspecified unkn1XSECTWADEQSCMMVADV2.288.802.600.88FIRMGRVLEVENunknUNSPUNFMUNSP
32012-04-04 08:02EDTYesDLMUSGS0.90 Fair unkn1xsectWADEQSCMMVADV0.903.100.591.52FIRMGRVLEVENunknEVENUNSPUPST20.00
22011-12-05 16:40ESTYesJKMUSGS0.32 FairUnspecifedunkn1Imported Channel 1OTHRQSCMMunkno0.323.400.590.54FIRMGRVLEVENunknUNSPUNSPUNSP
12011-09-19 17:35EDTYesDLM,JKMUSGS0.70 FairUnspecifedunkn1channelWADEQSCMMVADV0.703.700.701.01FIRMGRVLEVENunknEVENUNFMUPST60.00