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Streamflow Measurements for Iowa

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Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).



USGS 05453510 Coralville Lake near Coralville, IA
Johnson County, Iowa
Hydrologic Unit Code 07080208
Latitude  41°43'29", Longitude  91°31'40" NAD27
Drainage area 3,115  square miles
Gage datum 0.00 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)
131992-12-23 10:45CSTYesDSFUSGS468053.06-0.151.60GoodClearNONE1Imported Channel 1CWAYunspeunkno468019523701.97UNSPUNSPUNSPunknUNSPUNSPUNSP
121992-10-14 12:25CDTYesDSFUSGS646649.620.001.70GoodClearNONE1Imported Channel 1CWAYunspeunkno64617617600.37UNSPUNSPUNSPunknUNSPUNSPUNSP
111992-09-22 11:30CDTYesRDGUSGS2020650.790.021.50GoodClearNONE1Imported Channel 1CWAYunspeunkno202018019401.04UNSPUNSPUNSPunknUNSPUNSPUNSP
101992-09-08 10:00CDTYesDSF/JFCUSGS818649.790.001.30GoodClearNONE1Imported Channel 1CWAYunspeunkno81817818000.45UNSPUNSPUNSPunknUNSPUNSPUNSP
91992-08-24 16:15CDTYesRDGUSGS1730650.490.001.00FairClearNONE1Imported Channel 1CWAYunspeunkno173017518700.93UNSPUNSPUNSPunknUNSPUNSPUNSP
81992-08-13 10:15CDTYesRDGUSGS5620653.800.001.50GoodClearNONE1Imported Channel 1CWAYunspeunkno562020025202.23UNSPUNSPUNSPunknUNSPUNSPUNSP
71992-07-28 10:00CDTYesRDGUSGS4480652.720.001.20FairClearNONE1Imported Channel 1CWAYunspeunkno448019123201.93UNSPUNSPUNSPunknUNSPUNSPUNSP
61992-07-16 15:00CDTYesRDGUSGS3470651.93-0.041.30GoodClearNONE1Imported Channel 1CWAYunspeunkno347018521601.61UNSPUNSPUNSPunknUNSPUNSPUNSP
51992-06-30 10:35CDTYesRDGUSGS1100649.960.001.30FairClearNONE1Imported Channel 1CWAYunspeunkno110017518000.61UNSPUNSPUNSPunknUNSPUNSPUNSP
41992-06-26 11:30CDTYesJFC/SCMUSGS1500650.29-0.011.50GoodClearNONE1Imported Channel 1CWAYunspeunkno150018418800.80UNSPUNSPUNSPunknUNSPUNSPUNSP
31992-06-05 09:00CDTYesJFCUSGS963649.850.001.50GoodClearNONE1Imported Channel 1CWAYunspeunkno96318018100.53UNSPUNSPUNSPunknUNSPUNSPUNSP
21992-04-30 11:00CDTYesJFCUSGS7660655.460.001.50GoodClearNONE1Imported Channel 1CWAYunspeunkno766020528502.68UNSPUNSPUNSPunknUNSPUNSPUNSP
11992-04-29 11:30CDTYesRDGUSGS7670655.460.001.50GoodClearNONE1Imported Channel 1CWAYunspeunkno767019828202.72UNSPUNSPUNSPunknUNSPUNSPUNSP