USGS Surface Water for USA: Streamflow Measurements

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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 05465200 Long Creek near Ainsworth, IA

Washington County, Iowa

Hydrologic Unit Code 07080209

Latitude 41°16'00", Longitude 91°30'49" NAD27

Drainage area 68.4 square miles

Gage datum 650 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
17	1976-09-08 08:00	CDT	Yes	MAM	USGS	0.14	15.96			Unspecified	Clear	NONE
16	1975-08-06 09:30	CDT	Yes	MAM	USGS	0.39	14.92			Good	Clear	NONE
14	1973-09-06 11:30	CDT	Yes	VEM/PJV	USGS	0.26	15.05			Unspecified		NONE
13	1970-07-10 08:10	CDT	Yes	AMG	USGS	8.97	14.27	0.00	0.40	Good	Clear	NONE
12	1966-10-31 09:15	CST	Yes	DJG	USGS	1.31	14.99	0.00	0.30	Unspecified	Clear	NONE
10	1966-07-26 08:00	CST	Yes	DJG	USGS	2.18	14.67	0.00	0.30	Good	Clear	NONE
9	1966-05-10 08:15	CST	Yes	DJG	USGS	24.1	13.74	0.00	0.50	Good	Clear	NONE
8	1964-10-29 08:30	CST	Yes	DHA	USGS	0.18	14.99			Fair	Clear	NONE
7	1963-11-04 08:40	CST	Yes	JTF	USGS	0.22	14.59			Good	Clear	NONE
6	1961-08-31 07:30	CST	Yes	CHS/JTF	USGS	0.12	-15.09	2.00	0.10	Fair	Clear	NONE
5	1960-09-06 -- --	--	Yes	DJG	USGS	0.02				Unspecified	Clear	NONE
4	1959-10-22 12:25	CST	Yes	GGP	USGS	15.9	14.02	0.00	0.10	Unspecified	Clear	NONE
3	1958-10-02 13:00	CST	Yes	SJM	USGS	1.12	-14.28			Fair	Clear	NONE
2	1958-04-28 14:40	CST	Yes	DER	USGS	1.76	-14.69			Unspecified	Clear	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 08:00

CDT

Yes

MAM

USGS

0.14

15.96

Unspecified

Clear

NONE

1975-08-06 09:30

CDT

Yes

MAM

USGS

0.39

14.92

Good

Clear

NONE

1973-09-06 11:30

CDT

Yes

VEM/PJV

USGS

0.26

15.05

Unspecified

NONE

1970-07-10 08:10

CDT

Yes

AMG

USGS

8.97

14.27

0.00

0.40

Good

Clear

NONE

1966-10-31 09:15

CST

Yes

DJG

USGS

1.31

14.99

0.00

0.30

Unspecified

Clear

NONE

1966-07-26 08:00

CST

Yes

DJG

USGS

2.18

14.67

0.00

0.30

Good

Clear

NONE

1966-05-10 08:15

CST

Yes

DJG

USGS

24.1

13.74

0.00

0.50

Good

Clear

NONE

1964-10-29 08:30

CST

Yes

DHA

USGS

0.18

14.99

Fair

Clear

NONE

1963-11-04 08:40

CST

Yes

JTF

USGS

0.22

14.59

Good

Clear

NONE

1961-08-31 07:30

CST

Yes

CHS/JTF

USGS

0.12

-15.09

2.00

0.10

Fair

Clear

NONE

1960-09-06 -- --

Yes

DJG

USGS

0.02

Unspecified

Clear

NONE

1959-10-22 12:25

CST

Yes

GGP

USGS

15.9

14.02

0.00

0.10

Unspecified

Clear

NONE

1958-10-02 13:00

CST

Yes

SJM

USGS

1.12

-14.28

Fair

Clear

NONE

1958-04-28 14:40

CST

Yes

DER

USGS

1.76

-14.69

Unspecified

Clear

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: 2025-12-10 04:39:59 EST
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