USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 06602410 Monona-Harrison Ditch near Blencoe, IA

Monona County, Iowa

Hydrologic Unit Code 10230004

Latitude 41°53'58", Longitude 95°59'47" NAD27

Drainage area 4,440 square miles

Gage datum 1,009.60 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
43	1942-07-23 08:05	CST	Yes	LJS	USGS	696	8.00	Good	Clear	NONE
42	1942-07-01 15:00	CST	Yes	LJS	USGS	2700	13.41	Good	Clear	NONE
41	1942-06-29 10:10	CST	Yes	LJS	USGS	4150	16.18	Good	Clear	NONE
40	1942-06-13 07:10	CST	Yes	LJS	USGS	1080	9.20	Good	Clear	NONE
39	1942-06-06 12:50	CST	Yes	LJS	USGS	3080	14.85	Good	Unspecifed	NONE
38	1942-05-26 08:40	CST	Yes	LJS	USGS	38.3	3.57	Good	Clear	NONE
37	1942-05-08 10:40	CST	Yes	LJS	USGS	60.3	4.04	Good	Clear	NONE
36	1942-05-04 13:30	CST	Yes	LJS	USGS	49.8	11.67	Good	Unspecifed	NONE
35	1942-03-24 12:20	CST	Yes	LJS	USGS	60.4	9.87	Good	Unspecifed	NONE
34	1942-02-21 15:20	CST	Yes	LJS	USGS	30.1	9.44	Fair	IceCover	NONE
33	1942-01-12 16:10	CST	Yes	LJS	USGS	8.24	9.10	Fair	IceCover	NONE
32	1941-12-06 14:55	CST	Yes	LJS	USGS	48.0	9.74	Good	IceCover	NONE
31	1941-10-27 08:20	CST	Yes	LJS/GLW	USGS	69.5	9.81	Unspecified	Unspecifed	NONE
30	1941-09-19 09:55	CST	Yes	LJS	USGS	420	13.50	Good	Clear	NONE
29	1941-09-16 16:40	CST	Yes	LJS	USGS	3190	22.24	Good	Clear	NONE
28	1941-09-15 08:00	CST	Yes	LJS	USGS	1760	19.02	Good	Clear	NONE
27	1941-08-11 11:40	CST	Yes	LJS	USGS	8.13	9.41	Good	Clear	NONE
26	1941-06-25 13:35	CST	Yes	LJS	USGS	105	11.05	Good	Unspecifed	NONE
25	1941-05-06 09:30	CST	Yes	LJS	USGS	93.0	9.76	Good	DebrisHeavy	NONE
24	1941-04-21 13:40	CST	Yes	LJS	USGS	1790	17.04	Good	Unspecifed	NONE
23	1941-04-15 13:30	CST	Yes	LJS	USGS	743	13.67	Good	Unspecifed	NONE
22	1941-03-25 08:40	CST	Yes	LJS	USGS	994	14.44	Good	Unspecifed	NONE
21	1941-01-10 16:50	CST	Yes	HDB	USGS	21.0	9.06	Good	DebrisHeavy	NONE
20	1940-11-21 08:30	CST	Yes	LJS	USGS	31.8	9.09	Good	IceCover	NONE
19	1940-10-18 08:35	CST	Yes	LJS	USGS	10.6	8.43	Good	Unspecifed	NONE
18	1940-08-30 18:30	CST	Yes	HDB	USGS	715	14.08	Good	Unspecifed	NONE
17	1940-06-26 15:20	CST	Yes	BHR	USGS	43.5	9.30	Good	Clear	NONE
16	1940-06-10 08:35	CST	Yes	WIT	USGS	927	14.87	Good	Clear	NONE
15	1940-06-07 14:25	CST	Yes	RWR	USGS	1930	17.91	Good	Unspecifed	NONE
14	1940-06-06 17:25	CST	Yes	RWR/WAS	USGS	2490	19.24	Good	Unspecifed	NONE
13	1940-06-05 15:20	CST	Yes	RWR/WAS	USGS	2640	19.79	Good	Unspecifed	NONE
12	1940-06-04 -- --	--	Yes	BHR	USGS	4820	24.60	Poor	Unspecifed	NONE
11	1940-05-08 14:30	CST	Yes	HDB	USGS	276	12.04	Good	DebrisLight	NONE
10	1940-04-05 12:15	CST	Yes	BHR	USGS	413	12.80	Good	Unspecifed	NONE
9	1940-02-24 16:45	CST	Yes	BHR	USGS	48.4	10.76	Good	IceCover	NONE
8	1940-01-19 14:30	CST	Yes	BHR	USGS	38.3	10.30	Good	IceCover	NONE
7	1939-11-30 11:15	CST	Yes	BHR/RWR	USGS	66.7	10.13	Good	Unspecifed	NONE
6	1939-10-06 15:40	CST	Yes	HDB	USGS	145	10.76	Fair	Unspecifed	NONE
5	1939-09-03 14:10	CST	Yes	RWR	USGS	158	11.32	Good	Unspecifed	NONE
4	1939-08-05 16:30	CST	Yes	RWR	USGS	299	12.41	Fair	Unspecifed	NONE
3	1939-06-19 16:10	CST	Yes	HDB	USGS	239	12.02	Fair	Unspecifed	NONE
2	1939-05-05 09:50	CST	Yes	VAK	USGS	450	13.42	Good	Unspecifed	NONE
1	1939-04-12 11:10	CST	Yes	WIT	USGS	560	13.87	Good	Unspecifed	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

1942-07-23 08:05

CST

Yes

LJS

USGS

696

8.00

Good

Clear

NONE

1942-07-01 15:00

CST

Yes

LJS

USGS

2700

13.41

Good

Clear

NONE

1942-06-29 10:10

CST

Yes

LJS

USGS

4150

16.18

Good

Clear

NONE

1942-06-13 07:10

CST

Yes

LJS

USGS

1080

9.20

Good

Clear

NONE

1942-06-06 12:50

CST

Yes

LJS

USGS

3080

14.85

Good

Unspecifed

NONE

1942-05-26 08:40

CST

Yes

LJS

USGS

38.3

3.57

Good

Clear

NONE

1942-05-08 10:40

CST

Yes

LJS

USGS

60.3

4.04

Good

Clear

NONE

1942-05-04 13:30

CST

Yes

LJS

USGS

49.8

11.67

Good

Unspecifed

NONE

1942-03-24 12:20

CST

Yes

LJS

USGS

60.4

9.87

Good

Unspecifed

NONE

1942-02-21 15:20

CST

Yes

LJS

USGS

30.1

9.44

Fair

IceCover

NONE

1942-01-12 16:10

CST

Yes

LJS

USGS

8.24

9.10

Fair

IceCover

NONE

1941-12-06 14:55

CST

Yes

LJS

USGS

48.0

9.74

Good

IceCover

NONE

1941-10-27 08:20

CST

Yes

LJS/GLW

USGS

69.5

9.81

Unspecified

Unspecifed

NONE

1941-09-19 09:55

CST

Yes

LJS

USGS

420

13.50

Good

Clear

NONE

1941-09-16 16:40

CST

Yes

LJS

USGS

3190

22.24

Good

Clear

NONE

1941-09-15 08:00

CST

Yes

LJS

USGS

1760

19.02

Good

Clear

NONE

1941-08-11 11:40

CST

Yes

LJS

USGS

8.13

9.41

Good

Clear

NONE

1941-06-25 13:35

CST

Yes

LJS

USGS

105

11.05

Good

Unspecifed

NONE

1941-05-06 09:30

CST

Yes

LJS

USGS

93.0

9.76

Good

DebrisHeavy

NONE

1941-04-21 13:40

CST

Yes

LJS

USGS

1790

17.04

Good

Unspecifed

NONE

1941-04-15 13:30

CST

Yes

LJS

USGS

743

13.67

Good

Unspecifed

NONE

1941-03-25 08:40

CST

Yes

LJS

USGS

994

14.44

Good

Unspecifed

NONE

1941-01-10 16:50

CST

Yes

HDB

USGS

21.0

9.06

Good

DebrisHeavy

NONE

1940-11-21 08:30

CST

Yes

LJS

USGS

31.8

9.09

Good

IceCover

NONE

1940-10-18 08:35

CST

Yes

LJS

USGS

10.6

8.43

Good

Unspecifed

NONE

1940-08-30 18:30

CST

Yes

HDB

USGS

715

14.08

Good

Unspecifed

NONE

1940-06-26 15:20

CST

Yes

BHR

USGS

43.5

9.30

Good

Clear

NONE

1940-06-10 08:35

CST

Yes

WIT

USGS

927

14.87

Good

Clear

NONE

1940-06-07 14:25

CST

Yes

RWR

USGS

1930

17.91

Good

Unspecifed

NONE

1940-06-06 17:25

CST

Yes

RWR/WAS

USGS

2490

19.24

Good

Unspecifed

NONE

1940-06-05 15:20

CST

Yes

RWR/WAS

USGS

2640

19.79

Good

Unspecifed

NONE

1940-06-04 -- --

Yes

BHR

USGS

4820

24.60

Poor

Unspecifed

NONE

1940-05-08 14:30

CST

Yes

HDB

USGS

276

12.04

Good

DebrisLight

NONE

1940-04-05 12:15

CST

Yes

BHR

USGS

413

12.80

Good

Unspecifed

NONE

1940-02-24 16:45

CST

Yes

BHR

USGS

48.4

10.76

Good

IceCover

NONE

1940-01-19 14:30

CST

Yes

BHR

USGS

38.3

10.30

Good

IceCover

NONE

1939-11-30 11:15

CST

Yes

BHR/RWR

USGS

66.7

10.13

Good

Unspecifed

NONE

1939-10-06 15:40

CST

Yes

HDB

USGS

145

10.76

Fair

Unspecifed

NONE

1939-09-03 14:10

CST

Yes

RWR

USGS

158

11.32

Good

Unspecifed

NONE

1939-08-05 16:30

CST

Yes

RWR

USGS

299

12.41

Fair

Unspecifed

NONE

1939-06-19 16:10

CST

Yes

HDB

USGS

239

12.02

Fair

Unspecifed

NONE

1939-05-05 09:50

CST

Yes

VAK

USGS

450

13.42

Good

Unspecifed

NONE

1939-04-12 11:10

CST

Yes

WIT

USGS

560

13.87

Good

Unspecifed

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: 2025-09-05 15:50:13 EDT
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