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Streamflow Measurements for the Nation


USGS 06483300 Rock River below Rock Rapids, IA
Lyon County, Iowa
Hydrologic Unit Code 10170204
Latitude  43°24'15", Longitude  96°08'56" NAD27
Drainage area 859  square miles
Gage datum 1,320 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)
181976-08-24 16:35CDTYesJGGUSGS0.7026.45 Fair NONE1Imported Channel 1WADEunspeunkno0.702.300.461.52UNSPUNSPUNSPunknUNSPUNSPUNSP
171975-10-21 10:30CDTYesMESUSGS13.726.33 FairClearNONE1Imported Channel 1WADEunspeunkno13.739.011.91.15UNSPUNSPUNSPunknUNSPUNSPUNSP
161974-09-25 11:45CDTYesMESUSGS8.1726.18 GoodClearNONE1Imported Channel 1WADEunspeunkno8.1727.07.591.08UNSPUNSPUNSPunknUNSPUNSPUNSP
141972-10-16 09:55CDTYesOJRUSGS41.025.71 GoodClearNONE1Imported Channel 1WADEunspeunkno41.036.037.91.08UNSPUNSPUNSPunknUNSPUNSPUNSP
131971-09-01 13:25CDTYesFELUSGS16.526.00 UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno16.534.015.41.07UNSPUNSPUNSPunknUNSPUNSPUNSP
121970-09-01 08:20CDTYesRDBUSGS17.025.93 GoodClearNONE1Imported Channel 1WADEunspeunkno17.022.09.921.71UNSPUNSPUNSPunknUNSPUNSPUNSP
111969-10-09 10:55CSTYesFELUSGS33.525.42 GoodClearNONE1Imported Channel 1WADEunspeunkno33.552.059.10.57UNSPUNSPUNSPunknUNSPUNSPUNSP
101968-09-11 09:10CSTYesDASUSGS14.8 Good NONE1Imported Channel 1WADEunspeunkno14.82.00 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
91968-06-11 13:45CSTYesEDSUSGS10.5 GoodClearNONE1Imported Channel 1WADEunspeunkno10.524.010.60.99UNSPUNSPUNSPunknUNSPUNSPUNSP
81967-09-11 12:05CSTYesEDSUSGS6.6019.96 GoodClearNONE1Imported Channel 1WADEunspeunkno6.6032.018.00.37UNSPUNSPUNSPunknUNSPUNSPUNSP
71966-08-15 14:40CSTYesEMSUSGS13.519.89 GoodClearNONE1Imported Channel 1WADEunspeunkno13.531.023.20.58UNSPUNSPUNSPunknUNSPUNSPUNSP
61961-09-26 08:30CSTYesJLCUSGS14.819.920.000.30FairClearNONE1Imported Channel 1UNSPother 14.8 UNSPUNSPUNSPunknUNSPUNSPUNSP
51960-10-10 16:40CSTYesSMUSGS36.3 Fair NONE1Imported Channel 1WADEunspeunkno36.353.044.60.81UNSPUNSPUNSPunknUNSPUNSPUNSP
41959-08-12 15:40CSTYesJLCUSGS7.9220.080.000.20UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno7.9244.014.10.56UNSPUNSPUNSPunknUNSPUNSPUNSP
31958-10-14 09:20CSTYesRHTUSGS0.4620.26 Unspecified NONE1Imported Channel 1WADEunspeunkno0.468.003.500.13UNSPUNSPUNSPunknUNSPUNSPUNSP
21958-05-14 16:25CSTYesCWSUSGS38.219.670.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno38.276.059.30.64UNSPUNSPUNSPunknUNSPUNSPUNSP
11957-10-01 16:35CSTYesEMFUSGS33.619.75 UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno33.660.01120.30UNSPUNSPUNSPunknUNSPUNSPUNSP