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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 05430446 MARKHAM CREEK AT O LEARY ROAD NEAR JANESVILLE, WI
Rock County, Wisconsin
Hydrologic Unit Code 07090002
Latitude  42°38'34", Longitude  89°04'59" NAD83
Drainage area 9.32  square miles
Gage datum 804 feet above NAVD88
Output formats
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HTML table without channel data
Tab-separated data with channel data
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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)
222005-11-21 08:43CSTYesKRKUSGS1.302.400.000.30FairClearNONE1Imported Channel 1WADEunspeunkno1.305.002.690.48UNSPUNSPUNSPunknUNSPUNSPUNSP
212005-10-20 11:07CDTYesKRKUSGS0.692.290.000.20FairClearNONE1Imported Channel 1WADEunspeunkno0.694.401.870.37UNSPUNSPUNSPunknUNSPUNSPUNSP
202005-09-20 08:50CDTYesKRKUSGS0.612.27 FairClearNONE1Imported Channel 1WADEunspeunkno0.613.801.290.47UNSPUNSPUNSPunknUNSPUNSPUNSP
192005-08-25 08:00CDTYesKRKUSGS0.542.250.000.30FairClearNONE1Imported Channel 1WADEunspeunkno0.544.000.910.59UNSPUNSPUNSPunknUNSPUNSPUNSP
182005-07-19 08:33CDTYesKRKUSGS0.592.36-0.010.30FairVegetationLightNONE1Imported Channel 1WADEunspeunkno0.593.601.610.37UNSPUNSPUNSPunknUNSPUNSPUNSP
172005-06-30 09:53CDTYesKRKUSGS1.082.410.000.30FairDebrisLightNONE1Imported Channel 1WADEunspeunkno1.083.950.921.17UNSPUNSPUNSPunknUNSPUNSPUNSP
162005-05-27 10:50CDTYesKRKUSGS1.592.43-0.010.40FairClearNONE1Imported Channel 1WADEunspeunkno1.595.703.630.44UNSPUNSPUNSPunknUNSPUNSPUNSP
152005-04-25 10:34CDTYesKRKUSGS1.872.460.000.40FairClearNONE1Imported Channel 1WADEunspeunkno1.875.703.890.48UNSPUNSPUNSPunknUNSPUNSPUNSP
142005-04-07 08:45CDTYesKRKUSGS3.372.560.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno3.376.903.890.87UNSPUNSPUNSPunknUNSPUNSPUNSP
132005-03-15 11:47CSTYesKRKUSGS2.512.50-0.010.30FairClearNONE1Imported Channel 1WADEunspeunkno2.515.904.280.59UNSPUNSPUNSPunknUNSPUNSPUNSP
122005-02-07 09:26CSTYesKRKUSGS1125.18-0.030.40FairIceCoverNONE1Imported Channel 1CRANunspeunkno11216.050.42.22UNSPUNSPUNSPunknUNSPUNSPUNSP
112004-12-08 11:36CSTYesKRKUSGS2.782.510.000.40FairClearNONE1Imported Channel 1WADEunspeunkno2.786.404.660.60UNSPUNSPUNSPunknUNSPUNSPUNSP
102004-11-09 10:22CSTYesKRKUSGS1.362.42-0.010.40FairClearNONE1Imported Channel 1WADEunspeunkno1.366.804.380.31UNSPUNSPUNSPunknUNSPUNSPUNSP
92004-10-06 09:26CDTYesKRKUSGS1.102.390.000.40FairClearNONE1Imported Channel 1WADEunspeunkno1.108.406.240.18UNSPUNSPUNSPunknUNSPUNSPUNSP
82004-09-23 08:54CDTYesKRKUSGS0.972.360.000.40FairClearNONE1Imported Channel 1WADEunspeunkno0.977.204.340.22UNSPUNSPUNSPunknUNSPUNSPUNSP
72004-09-09 11:39CDTYesKRKUSGS1.352.420.000.40FairDebrisLightNONE1Imported Channel 1WADEunspeunkno1.358.905.150.26UNSPUNSPUNSPunknUNSPUNSPUNSP
62004-08-11 08:31CDTYesKRKUSGS2.082.490.000.40FairVegetationLightNONE1Imported Channel 1WADEunspeunkno2.088.804.930.42UNSPUNSPUNSPunknUNSPUNSPUNSP
52004-07-19 11:43CDTYesKRKUSGS3.072.590.000.40FairVegetationLightNONE1Imported Channel 1WADEunspeunkno3.078.005.520.56UNSPUNSPUNSPunknUNSPUNSPUNSP
42004-07-07 10:40CDTYesKRKUSGS16.43.00-0.030.50FairVegetationLightNONE1Imported Channel 1WADEunspeunkno16.412.717.50.94UNSPUNSPUNSPunknUNSPUNSPUNSP
32004-05-24 09:22CDTYesKRKUSGS14.02.96-0.010.30Fair NONE1Imported Channel 1WADEunspeunkno14.010.010.41.35UNSPUNSPUNSPunknUNSPUNSPUNSP
22004-05-22 11:40CDTYesKRKUSGS1225.15-0.050.40Fair NONE1Imported Channel 1WADEunspeunkno12232.578.01.56UNSPUNSPUNSPunknUNSPUNSPUNSP
12004-04-07 09:55CDTYesKRKUSGS2.502.54-0.010.40GoodClearNONE1Imported Channel 1WADEunspeunkno2.507.004.180.60UNSPUNSPUNSPunknUNSPUNSPUNSP