USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 06819180 East Fork 102 River near Conway, IA

Taylor County, Iowa

Hydrologic Unit Code 10240013

Latitude 40°43'36", Longitude 94°39'13" NAD27

Drainage area 60.4 square miles

Gage datum 1,110 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)	Meas. Rated	Control	Flow Adjust. Code
23	1977-07-19 -- --	--	Yes	RDB	USGS	0.00		Unspecified		NONE
22	1976-09-21 -- --	--	Yes	JGG	USGS	0.00		Unspecified		NONE
21	1975-09-23 13:55	CDT	Yes	RDB	USGS	0.00	25.63	Good	Clear	NONE
20	1974-09-23 -- --	--	Yes	RDB	USGS	0.00		Unspecified		NONE
19	1971-08-24 10:05	CDT	Yes	OJR	USGS	0.02	-25.57	Good	Clear	NONE
18	1970-07-08 09:50	CDT	Yes	OJR	USGS	0.04	25.15	Good	Clear	NONE
17	1969-09-23 08:40	CST	Yes	RDB	USGS	0.03	25.01	Poor	Clear	NONE
16	1968-03-12 12:20	CST	Yes	DAS	USGS	0.60	25.04	Fair	Clear	NONE
15	1967-12-13 09:25	CST	Yes	ARC	USGS	0.06	24.97	Fair	Clear	NONE
14	1966-08-10 10:30	CST	Yes	FEL	USGS	0.30	24.02	Fair	Clear	NONE
13	1964-10-26 14:45	CST	Yes	FEL	USGS	3.09	22.80	Unspecified	Clear	NONE
12	1963-10-31 08:40	CST	Yes	EDS	USGS	0.00	22.38	Unspecified	Clear	NONE
11	1961-10-26 10:05	CST	Yes	DER	USGS	7.07	-20.00	Good	Clear	NONE
10	1960-10-26 11:00	CST	Yes	SJM	USGS	4.43	-19.58	Fair	Clear	NONE
9	1960-10-26 09:35	CST	Yes	JGG	USGS	4.77	19.55	Excellent	Clear	NONE
8	1960-10-26 09:00	CST	Yes	--S	USGS	5.09	-19.55	Good	Clear	NONE
7	1960-10-25 17:30	CST	Yes	EDS	USGS	4.05	19.60	Fair	Clear	NONE
6	1960-10-25 14:00	CST	Yes	RHT	USGS	3.95	19.60	Unspecified	Clear	NONE
5	1960-09-13 14:40	CST	Yes	JGG	USGS	0.80	19.66	Unspecified	Clear	NONE
4	1960-09-12 11:25	CST	Yes	RDB	USGS	1.11	19.67	Fair	Clear	NONE
3	1959-07-28 08:50	CST	Yes	FEL	USGS	0.16	19.49	Unspecified	Clear	NONE
2	1958-10-15 10:50	CST	Yes	FEL	USGS	0.39	19.17	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

1977-07-19 -- --

Yes

RDB

USGS

0.00

Unspecified

NONE

1976-09-21 -- --

Yes

JGG

USGS

0.00

Unspecified

NONE

1975-09-23 13:55

CDT

Yes

RDB

USGS

0.00

25.63

Good

Clear

NONE

1974-09-23 -- --

Yes

RDB

USGS

0.00

Unspecified

NONE

1971-08-24 10:05

CDT

Yes

OJR

USGS

0.02

-25.57

Good

Clear

NONE

1970-07-08 09:50

CDT

Yes

OJR

USGS

0.04

25.15

Good

Clear

NONE

1969-09-23 08:40

CST

Yes

RDB

USGS

0.03

25.01

Poor

Clear

NONE

1968-03-12 12:20

CST

Yes

DAS

USGS

0.60

25.04

Fair

Clear

NONE

1967-12-13 09:25

CST

Yes

ARC

USGS

0.06

24.97

Fair

Clear

NONE

1966-08-10 10:30

CST

Yes

FEL

USGS

0.30

24.02

Fair

Clear

NONE

1964-10-26 14:45

CST

Yes

FEL

USGS

3.09

22.80

Unspecified

Clear

NONE

1963-10-31 08:40

CST

Yes

EDS

USGS

0.00

22.38

Unspecified

Clear

NONE

1961-10-26 10:05

CST

Yes

DER

USGS

7.07

-20.00

Good

Clear

NONE

1960-10-26 11:00

CST

Yes

SJM

USGS

4.43

-19.58

Fair

Clear

NONE

1960-10-26 09:35

CST

Yes

JGG

USGS

4.77

19.55

Excellent

Clear

NONE

1960-10-26 09:00

CST

Yes

--S

USGS

5.09

-19.55

Good

Clear

NONE

1960-10-25 17:30

CST

Yes

EDS

USGS

4.05

19.60

Fair

Clear

NONE

1960-10-25 14:00

CST

Yes

RHT

USGS

3.95

19.60

Unspecified

Clear

NONE

1960-09-13 14:40

CST

Yes

JGG

USGS

0.80

19.66

Unspecified

Clear

NONE

1960-09-12 11:25

CST

Yes

RDB

USGS

1.11

19.67

Fair

Clear

NONE

1959-07-28 08:50

CST

Yes

FEL

USGS

0.16

19.49

Unspecified

Clear

NONE

1958-10-15 10:50

CST

Yes

FEL

USGS

0.39

19.17

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: 2025-11-03 19:57:04 EST
0.3 0.28 caww02