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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 06603600 Little Sioux River near Montgomery, IA
Dickinson County, Iowa
Hydrologic Unit Code 10230003
Latitude  43°26'08", Longitude  95°15'00" NAD83
Drainage area 124.00  square miles
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)
201976-08-12 11:20CDTYesFELUSGS0.0017.44 Unspecified NONE
191975-10-08 10:45CDTYesARCUSGS0.2414.87 FairClearNONE1Imported Channel 1WADEunspeunkno0.247.001.520.16UNSPUNSPUNSPunknUNSPUNSPUNSP
181974-10-01 16:40CDTYesDDHUSGS0.2614.96 PoorClearNONE1Imported Channel 1CRANunspeunkno0.269.001.060.25UNSPUNSPUNSPunknUNSPUNSPUNSP
171971-10-07 13:50CDTYesCWSUSGS0.1417.080.000.10FairClearNONE1Imported Channel 1WADEunspeunkno0.141.700.190.70UNSPUNSPUNSPunknUNSPUNSPUNSP
161971-08-09 13:15CDTYesJHHUSGS0.7916.980.000.30GoodClearNONE1Imported Channel 1CRANunspeunkno0.798.001.670.47UNSPUNSPUNSPunknUNSPUNSPUNSP
151970-09-01 15:10CDTYesJHHUSGS1.2313.35 GoodClearNONE1Imported Channel 1CRANunspeunkno1.2314.02.680.46UNSPUNSPUNSPunknUNSPUNSPUNSP
141968-03-26 13:55CSTYesCWSUSGS0.8213.310.000.10FairClearNONE1Imported Channel 1WADEunspeunkno0.822.500.910.90UNSPUNSPUNSPunknUNSPUNSPUNSP
131967-09-12 11:10CSTYesCWSUSGS0.0813.510.000.10FairClearNONE1Imported Channel 1WADEunspeunkno0.081.600.130.65UNSPUNSPUNSPunknUNSPUNSPUNSP
121966-08-24 13:50CSTYesLEBUSGS11.713.190.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno11.721.015.50.75UNSPUNSPUNSPunknUNSPUNSPUNSP
111965-04-10 11:45CSTYesDERUSGS7241388.85-0.030.70Fair NONE1Imported Channel 1CRANunspeunkno72464.04441.64UNSPUNSPUNSPunknUNSPUNSPUNSP
101964-10-30 11:15CSTYesJHHUSGS3.6813.160.000.30GoodClearNONE1Imported Channel 1CRANunspeunkno3.6830.027.00.01UNSPUNSPUNSPunknUNSPUNSPUNSP
91964-09-08 16:00CSTYesDERUSGS92.31385.44-0.020.30FairClearNONE1Imported Channel 1BRUSunspeunkno92.363.52100.44UNSPUNSPUNSPunknUNSPUNSPUNSP
81962-07-06 11:40CSTYesJLCUSGS2661387.030.000.50FairClearNONE1Imported Channel 1BRUSunspeunkno26665.03210.83UNSPUNSPUNSPunknUNSPUNSPUNSP
71962-07-05 10:15CSTYesJLCUSGS2941387.62-0.020.70FairClearNONE1Imported Channel 1BRUSunspeunkno29465.03640.81UNSPUNSPUNSPunknUNSPUNSPUNSP
61961-09-26 17:00CSTYesCWSUSGS0.5413.390.000.20UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno0.546.501.140.47UNSPUNSPUNSPunknUNSPUNSPUNSP
51960-10-08 10:05CSTYesELMUSGS31.713.24 FairClearNONE1Imported Channel 1WADEunspeunkno31.731.049.70.64UNSPUNSPUNSPunknUNSPUNSPUNSP
41959-08-06 12:55CSTYesCWSUSGS0.4213.370.000.10FairClearNONE1Imported Channel 1WADEunspeunkno0.423.500.520.81UNSPUNSPUNSPunknUNSPUNSPUNSP
31958-10-17 10:05CSTYesJLCUSGS0.00-14.48 Unspecified NONE1Imported Channel 1UNSPother 0.00 UNSPUNSPUNSPunknUNSPUNSPUNSP
21958-05-14 16:35CSTYesSJMUSGS5.0012.430.000.30FairClearNONE1Imported Channel 1CRANunspeunkno5.0024.012.80.39UNSPUNSPUNSPunknUNSPUNSPUNSP
11957-10-02 07:40CSTYesCWSUSGS0.2113.450.000.10FairClearNONE1Imported Channel 1CRANunspeunkno0.213.000.670.31UNSPUNSPUNSPunknUNSPUNSPUNSP