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Streamflow Measurements for the Nation


USGS 01589040 ROCKBURN BRANCH AT ELKRIDGE, MD
Howard County, Maryland
Hydrologic Unit Code 02060003
Latitude  39°13'29", Longitude  76°43'12" NAD27
Drainage area 3.69  square miles
Gage datum 15 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)
172002-09-19 10:23EDTYesJJMUSGS0.06 0.000.10Poor unkn1Imported Channel 1WADEunspeunkno0.061.200.170.33UNSPUNSPUNSPunknUNSPUNSPUNSP
161990-06-27 18:45EDTYesJRDUSGS1.68 GoodClearunkn1Imported Channel 1WADEunspeunkno1.687.203.470.49UNSPUNSPUNSPunknUNSPUNSPUNSP
151990-04-27 15:00EDTYesJRDUSGS3.64 GoodClearunkn1Imported Channel 1WADEunspeunkno3.648.604.780.76UNSPUNSPUNSPunknUNSPUNSPUNSP
141990-03-28 14:10ESTYesJRDUSGS3.67 GoodClearunkn1Imported Channel 1WADEunspeunkno3.6711.35.180.71UNSPUNSPUNSPunknUNSPUNSPUNSP
131990-03-08 12:40ESTYesRMCUSGS3.32 UnspecifiedClearunkn1Imported Channel 1WADEunspeunkno3.3212.66.080.55UNSPUNSPUNSPunknUNSPUNSPUNSP
121989-09-18 12:40EDTYesJRDUSGS1.44 GoodClearunkn1Imported Channel 1WADEunspeunkno1.443.401.560.92UNSPUNSPUNSPunknUNSPUNSPUNSP
111989-04-25 09:50EDTYesRJS/JAUSGS3.42 GoodClearunkn1Imported Channel 1WADEunspeunkno3.4210.43.441.00UNSPUNSPUNSPunknUNSPUNSPUNSP
101988-12-19 10:15ESTYesRJS/JAUSGS1.05 GoodClearunkn1Imported Channel 1WADEunspeunkno1.053.201.500.70UNSPUNSPUNSPunknUNSPUNSPUNSP
91988-12-04 09:45ESTYesJRDUSGS1.30 GoodClearunkn1Imported Channel 1WADEunspeunkno1.303.301.340.97UNSPUNSPUNSPunknUNSPUNSPUNSP
81988-10-14 13:10EDTYesJRDUSGS0.43 GoodClearunkn1Imported Channel 1WADEunspeunkno0.432.100.810.53UNSPUNSPUNSPunknUNSPUNSPUNSP
71988-09-12 10:40EDTYesJRDUSGS0.48 GoodClearunkn1Imported Channel 1WADEunspeunkno0.482.100.690.69UNSPUNSPUNSPunknUNSPUNSPUNSP
61988-08-17 12:00EDTYesJRDUSGS0.33 GoodClearunkn1Imported Channel 1WADEunspeunkno0.331.400.580.57UNSPUNSPUNSPunknUNSPUNSPUNSP
51988-06-30 09:55EDTYesJRDUSGS0.92 GoodClearunkn1Imported Channel 1WADEunspeunkno0.924.201.170.78UNSPUNSPUNSPunknUNSPUNSPUNSP
41988-03-18 09:45ESTYesJRDUSGS3.26 GoodClearunkn1Imported Channel 1WADEunspeunkno3.266.402.501.30UNSPUNSPUNSPunknUNSPUNSPUNSP
31988-03-01 10:50ESTYesJRDUSGS3.69 GoodClearunkn1Imported Channel 1WADEunspeunkno3.696.202.421.52UNSPUNSPUNSPunknUNSPUNSPUNSP
21987-11-09 10:30ESTYesJJMUSGS0.99 GoodClearunkn1Imported Channel 1WADEunspeunkno0.993.802.210.45UNSPUNSPUNSPunknUNSPUNSPUNSP
11987-10-19 10:45EDTYesJRDUSGS0.63 GoodClearunkn1Imported Channel 1WADEunspeunkno0.633.801.840.34UNSPUNSPUNSPunknUNSPUNSPUNSP