USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

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USGS 14012550 WALLA WALLA R AT PEPPER BR RD NR COLLEGE PLACE, WA

Walla Walla County, Washington

Hydrologic Unit Code 17070102

Latitude 46°00'08.96", Longitude 118°23'00.27" NAD83

Gage datum 1,835 feet above NAVD88

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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	2025-11-19 13:20:55	PST	Yes	dam	USGS	32.9	6.36	-0.01	0.70	Good	VegetationModerate	NONE
13	2025-03-11 11:47:45	PDT	Yes	dam	USGS	221	7.09	0.00	1.10	Fair	DebrisLight	NONE
12	2025-02-24 14:25:26	PST	Yes	PCM	USGS	980	8.41	0.02	1.00	Good		NONE
11	2024-05-07 11:44:30	PDT	Yes	JMW	USGS	486	7.32	0.01	0.90	Good	Clear	NONE
10	2024-02-13 12:26	PST	Yes	JMW/DCD	USGS	325	7.08	0.00	1.00	Fair	DebrisLight	NONE
9	2023-12-07 09:52:30	PST	Yes	DCD	USGS	226	7.13	0.01	1.00	Good	Clear	NONE
8	2023-10-31 09:23:30	PDT	Yes	DCD	USGS	33.8	6.31	0.00	0.50	Good	Clear	NONE
7	2023-08-03 12:07	PDT	Yes	DCD	USGS	16.7				Fair		NONE
6	2023-06-08 10:12	PDT	Yes	DCD	USGS	29.1	6.12	0.00	0.50	Fair	Clear	NONE
5	2023-05-02 12:53:30	PDT	Yes	JMW	USGS	607		-0.01	1.00	Good	Clear	NONE
4	2022-08-02 14:59:30	PDT	Yes	JMW	USGS	16.4				Fair		NONE
3	2022-02-07 11:41	PST	Yes	PEW	OR064	164				Poor	Clear	NONE
2	2021-08-25 10:05:30	PDT	Yes	PEW	OR064	21.7				Fair	Unspecifed	NONE
1	2020-08-11 11:32:30	PDT	Yes	WGL	USGS	19.6				Good		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

2025-11-19 13:20:55

PST

Yes

dam

USGS

32.9

6.36

-0.01

0.70

Good

VegetationModerate

NONE

2025-03-11 11:47:45

PDT

Yes

dam

USGS

221

7.09

0.00

1.10

Fair

DebrisLight

NONE

2025-02-24 14:25:26

PST

Yes

PCM

USGS

980

8.41

0.02

1.00

Good

NONE

2024-05-07 11:44:30

PDT

Yes

JMW

USGS

486

7.32

0.01

0.90

Good

Clear

NONE

2024-02-13 12:26

PST

Yes

JMW/DCD

USGS

325

7.08

0.00

1.00

Fair

DebrisLight

NONE

2023-12-07 09:52:30

PST

Yes

DCD

USGS

226

7.13

0.01

1.00

Good

Clear

NONE

2023-10-31 09:23:30

PDT

Yes

DCD

USGS

33.8

6.31

0.00

0.50

Good

Clear

NONE

2023-08-03 12:07

PDT

Yes

DCD

USGS

16.7

Fair

NONE

2023-06-08 10:12

PDT

Yes

DCD

USGS

29.1

6.12

0.00

0.50

Fair

Clear

NONE

2023-05-02 12:53:30

PDT

Yes

JMW

USGS

607

-0.01

1.00

Good

Clear

NONE

2022-08-02 14:59:30

PDT

Yes

JMW

USGS

16.4

Fair

NONE

2022-02-07 11:41

PST

Yes

PEW

OR064

164

Poor

Clear

NONE

2021-08-25 10:05:30

PDT

Yes

PEW

OR064

21.7

Fair

Unspecifed

NONE

2020-08-11 11:32:30

PDT

Yes

WGL

USGS

19.6

Good

NONE