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 05420580 Wapsipinicon River near Ionia, IA

Chickasaw County, Iowa

Hydrologic Unit Code 07080102

Latitude 43°00'31", Longitude 92°23'21" NAD27

Drainage area 161 square miles

Gage datum 1,050 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
14	1977-07-13 12:30	CDT	Yes	REH	USGS	7.41				Good	Clear	NONE
13	1976-08-30 16:55	CDT	Yes	JLR	USGS	4.93	17.18			Good	Clear	NONE
12	1974-09-30 16:00	CDT	Yes	SJM	USGS	13.5				Good	Clear	NONE
11	1973-09-13 17:30	CDT	Yes	PJV	USGS	27.5	16.59			Good	Clear	NONE
10	1971-09-02 12:25	CDT	Yes	CAF	USGS	11.1	16.92	0.00		Fair	Clear	NONE
9	1968-06-10 15:45	CST	Yes	STF	USGS	22.6	16.67			Good	Clear	NONE
8	1966-10-05 14:00	CST	Yes	DER	USGS	9.47	-16.93			Good	Clear	NONE
7	1964-08-13 13:10	CST	Yes	DER	USGS	5.10				Good	Clear	NONE
6	1961-08-30 08:20	CST	Yes	--S	USGS	15.7	-17.09	0.00	0.60	Excellent	Clear	NONE
5	1960-08-08 16:20	CST	Yes	DER/DJG	USGS	13.3		0.00		Unspecified	Clear	NONE
4	1959-09-16 08:05	CST	Yes	DER	USGS	10.8	-17.54	0.00		Unspecified	Clear	NONE
3	1958-10-09 07:55	CST	Yes	DER	USGS	8.98	-17.21	0.00	0.30	Unspecified	Clear	NONE
2	1958-05-09 15:05	CST	Yes	AEC	USGS	17.2	-17.82	0.00	0.40	Good	Clear	NONE
1	1957-09-20 13:00	CST	Yes	SJM	USGS	12.0	17.36	0.00	0.30	Good	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

1977-07-13 12:30

CDT

Yes

REH

USGS

7.41

Good

Clear

NONE

1976-08-30 16:55

CDT

Yes

JLR

USGS

4.93

17.18

Good

Clear

NONE

1974-09-30 16:00

CDT

Yes

SJM

USGS

13.5

Good

Clear

NONE

1973-09-13 17:30

CDT

Yes

PJV

USGS

27.5

16.59

Good

Clear

NONE

1971-09-02 12:25

CDT

Yes

CAF

USGS

11.1

16.92

0.00

Fair

Clear

NONE

1968-06-10 15:45

CST

Yes

STF

USGS

22.6

16.67

Good

Clear

NONE

1966-10-05 14:00

CST

Yes

DER

USGS

9.47

-16.93

Good

Clear

NONE

1964-08-13 13:10

CST

Yes

DER

USGS

5.10

Good

Clear

NONE

1961-08-30 08:20

CST

Yes

--S

USGS

15.7

-17.09

0.00

0.60

Excellent

Clear

NONE

1960-08-08 16:20

CST

Yes

DER/DJG

USGS

13.3

0.00

Unspecified

Clear

NONE

1959-09-16 08:05

CST

Yes

DER

USGS

10.8

-17.54

0.00

Unspecified

Clear

NONE

1958-10-09 07:55

CST

Yes

DER

USGS

8.98

-17.21

0.00

0.30

Unspecified

Clear

NONE

1958-05-09 15:05

CST

Yes

AEC

USGS

17.2

-17.82

0.00

0.40

Good

Clear

NONE

1957-09-20 13:00

CST

Yes

SJM

USGS

12.0

17.36

0.00

0.30

Good

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: 2025-12-11 07:04:09 EST
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