USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 05451100 South Fork Iowa River near Alden, IA

Hardin County, Iowa

Hydrologic Unit Code 07080207

Latitude 42°28'00", Longitude 93°27'00" NAD27

Drainage area 79.50 square miles

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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
14	1976-09-08 17:30	CDT	Yes	FEL	USGS	0.00				Unspecified		NONE
13	1975-08-06 15:35	CDT	Yes	DDH	USGS	1.99	20.19			Fair	Clear	NONE
11	1971-09-02 16:00	CDT	Yes	JHH	USGS	0.12	16.95	0.00	0.50	Good	Clear	NONE
10	1970-07-07 09:00	CDT	Yes	LEB	USGS	10.8	18.03	0.00	0.30	Good	Clear	NONE
9	1967-09-13 13:10	CST	Yes	JHH	USGS	2.15	18.38	18.38		Good	Clear	NONE
8	1966-09-08 11:07	CST	Yes	ELM	USGS	0.13	30.72			Unspecified	Clear	NONE
7	1964-10-26 10:55	CST	Yes	DHA	USGS	0.90	18.14			Fair		NONE
6	1961-09-05 16:00	CST	Yes	SJM	USGS	4.02	18.07			Good		NONE
5	1960-10-04 09:30	CST	Yes	DJG	USGS	7.81	17.98			Good		NONE
4	1959-05-15 07:00	CST	Yes	SJM	USGS	11.2				Good		NONE
3	1958-10-23 17:25	CST	Yes	TJS	USGS	0.65	18.47	0.00	0.20	Good	Clear	NONE
2	1958-05-08 12:35	CST	Yes	DER	USGS	11.5	17.72			Fair	Clear	NONE
1	1957-09-25 08:30	CST	Yes	HHS	USGS	0.44	18.35	0.00	0.30	Fair	VegetationLight	NONE

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

1976-09-08 17:30

CDT

Yes

FEL

USGS

0.00

Unspecified

NONE

1975-08-06 15:35

CDT

Yes

DDH

USGS

1.99

20.19

Fair

Clear

NONE

1971-09-02 16:00

CDT

Yes

JHH

USGS

0.12

16.95

0.00

0.50

Good

Clear

NONE

1970-07-07 09:00

CDT

Yes

LEB

USGS

10.8

18.03

0.00

0.30

Good

Clear

NONE

1967-09-13 13:10

CST

Yes

JHH

USGS

2.15

18.38

Good

Clear

NONE

1966-09-08 11:07

CST

Yes

ELM

USGS

0.13

30.72

Unspecified

Clear

NONE

1964-10-26 10:55

CST

Yes

DHA

USGS

0.90

18.14

Fair

NONE

1961-09-05 16:00

CST

Yes

SJM

USGS

4.02

18.07

Good

NONE

1960-10-04 09:30

CST

Yes

DJG

USGS

7.81

17.98

Good

NONE

1959-05-15 07:00

CST

Yes

SJM

USGS

11.2

Good

NONE

1958-10-23 17:25

CST

Yes

TJS

USGS

0.65

18.47

0.00

0.20

Good

Clear

NONE

1958-05-08 12:35

CST

Yes

DER

USGS

11.5

17.72

Fair

Clear

NONE

1957-09-25 08:30

CST

Yes

HHS

USGS

0.44

18.35

0.00

0.30

Fair

VegetationLight

NONE

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Iowa Water Data Support Team
Page Last Modified: 2025-11-07 15:19:01 EST
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