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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 05460200 Willow Creek at Mason City, IA
Cerro Gordo County, Iowa
Hydrologic Unit Code 07080203
Latitude  43°09'46", Longitude  93°14'20" NAD27
Drainage area 86.0  square miles
Gage datum 1,130 feet above NGVD29
Output formats
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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)
151980-07-24 09:00CDTYesARCUSGS3.2913.36 FairClearNONE1Imported Channel 1WADEunspeunkno3.2914.07.440.44UNSPUNSPUNSPunknUNSPUNSPUNSP
141976-09-08 08:15CDTYesARCUSGS2.9516.34 PoorClearNONE1Imported Channel 1WADEunspeunkno2.9515.04.040.73UNSPUNSPUNSPunknUNSPUNSPUNSP
131975-08-05 16:45CDTYesARCUSGS9.7816.21 PoorClearNONE1Imported Channel 1WADEunspeunkno9.7824.010.70.91UNSPUNSPUNSPunknUNSPUNSPUNSP
121973-09-06 10:30CDTYes--A/FELUSGS7.8116.13 GoodClearNONE1Imported Channel 1WADEunspeunkno7.8120.010.60.74UNSPUNSPUNSPunknUNSPUNSPUNSP
111971-09-02 08:20CDTYesMSBUSGS6.7916.130.000.10GoodClearNONE1Imported Channel 1WADEunspeunkno6.7914.05.121.33UNSPUNSPUNSPunknUNSPUNSPUNSP
101970-07-08 07:55CDTYesCWSUSGS12.116.030.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno12.118.010.01.21UNSPUNSPUNSPunknUNSPUNSPUNSP
91967-09-11 13:30CSTYes--LUSGS4.7316.370.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno4.7317.05.980.79UNSPUNSPUNSPunknUNSPUNSPUNSP
81966-09-08 09:45CSTYesELMUSGS7.7516.360.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno7.7519.05.821.33UNSPUNSPUNSPunknUNSPUNSPUNSP
71964-08-19 12:20CSTYesDERUSGS4.70-16.44 GoodClearNONE1Imported Channel 1WADEunspeunkno4.7015.05.230.90UNSPUNSPUNSPunknUNSPUNSPUNSP
61961-08-29 15:30CSTYesDERUSGS4.84-16.320.00 GoodClearNONE1Imported Channel 1WADEunspeunkno4.8424.010.90.44UNSPUNSPUNSPunknUNSPUNSPUNSP
51960-10-04 09:10CSTYesDJGUSGS8.7116.07 UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno8.7114.05.581.56UNSPUNSPUNSPunknUNSPUNSPUNSP
41959-05-13 10:00CSTYesSJMUSGS7.1015.35 GoodClearNONE1Imported Channel 1WADEunspeunkno7.1011.06.901.03UNSPUNSPUNSPunknUNSPUNSPUNSP
31958-10-23 13:40CSTYesTJSUSGS2.7716.080.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno2.779.002.790.99UNSPUNSPUNSPunknUNSPUNSPUNSP
21958-04-03 14:05CSTYesDERUSGS13.3-15.85 UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno13.319.011.41.17UNSPUNSPUNSPunknUNSPUNSPUNSP
11957-09-26 07:55CSTYesCWSUSGS3.7716.030.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno3.7713.05.890.64UNSPUNSPUNSPunknUNSPUNSPUNSP