USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 11444200 ROCK C OVERFLOW WEIR A DIV NR PLACERVILLE CA

El Dorado County, California

Hydrologic Unit Code 18020129

Latitude 38°47'40", Longitude 120°46'28" NAD27

Drainage area 73.0 square miles

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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
26	2020-03-16 11:27:53	PDT	Yes	eml,jrg, lec	USGS	388	5.41			Fair		NONE
25	2019-09-20 10:42:30	PDT	Yes	EML/YSG	USGS	24.4	4.45	0.00	0.40	Fair	Clear	NONE
24	2019-05-20 15:02:36	PDT	Yes	EML/DRP/DJO	USGS	125	4.65			Poor	Clear	NONE
23	2016-06-30 10:40	PDT	Yes	NWS/AAS	USGS	12.2	4.28	0.01	1.10	Fair	DebrisLight	NONE
21	2011-09-28 12:14:30	PDT	Yes	WRB	USGS	22.8	4.43	0.00	1.40	Poor	Clear	NONE
22	2011-09-28 12:00	PDT	Yes	TB/DOH	USGS	28.7	4.42	0.00	1.70	Poor	Clear	NONE
20	2011-08-29 12:20:30	PDT	Yes	WRB	USGS	22.0	4.43	0.00	1.50	Poor	Clear	NONE
19	2010-09-22 11:44	PDT	Yes	WRB/TB	USGS	6.14	4.35	0.00	1.30	Poor	Clear	NONE
18	2010-07-27 12:51:30	PDT	Yes	WRB	USGS	17.2	4.33	0.00	1.50	Poor	Clear	NONE
17	2009-09-08 12:50:30	PDT	Yes	WRB	USGS	5.27	4.30	0.00	1.70	Poor	Clear	NONE
16	2009-08-19 14:02	PDT	Yes	WRB	USGS	6.08	4.32	0.00	1.10	Poor	Clear	NONE
15	2007-09-27 10:50	PDT	Yes	wrb	USGS	10.7	4.30	0.00	1.20	Poor	DebrisModerate	NONE
14	2007-07-03 10:51	PDT	Yes	WRB/SJB	USGS	18.8	4.34	0.00	0.60	Poor	DebrisLight	NONE
13	2006-09-21 14:12	PDT	Yes	SJB	USGS	20.9	4.36	0.00	0.60	Poor	DebrisLight	NONE
12	2006-07-21 09:55	PDT	Yes	SJB	USGS	31.8	4.40	0.01	2.20	Poor	Clear	NONE
11	2005-07-19 09:23	PDT	Yes	SJB	USGS	34.3	4.51	0.00	0.60	Poor	VegetationLight	NONE
10	2003-08-05 10:40	PDT	Yes	SJB	USGS	14.6	4.35	0.00	0.90	Poor	VegetationLight	NONE
9	2003-06-17 13:20	PDT	Yes	SJB	USGS	28.0	4.49	0.00	0.80	Poor	VegetationLight	NONE
8	2002-07-12 09:05	PDT	Yes	SJB/MHW	USGS	12.6	4.37	0.00	0.80	Poor	VegetationLight	NONE
7	2001-09-28 11:40	PDT	Yes	MHW	USGS	7.24	4.32	0.00	0.80	Poor	Clear	NONE
6	2001-09-24 13:25	PDT	Yes	MHW	USGS	5.23	4.32	0.00	0.70	Poor	DebrisModerate	NONE
5	1989-04-19 10:30	PDT	Yes	WJH	USGS	30.3	4.49	0.00	0.50	Fair	Clear	NONE
4	1989-02-24 11:15	PST	Yes	WJH	USGS	42.0	4.57	0.00	0.50	Fair	Clear	NONE
3	1989-01-18 11:00	PST	Yes	WJH	USGS	18.0	4.42	0.00	0.60	Fair	Clear	NONE
2	1988-01-11 15:45	PST	Yes	WJH	USGS	152	4.76	-0.02	0.80	Fair	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

2020-03-16 11:27:53

PDT

Yes

eml,jrg, lec

USGS

388

5.41

Fair

NONE

2019-09-20 10:42:30

PDT

Yes

EML/YSG

USGS

24.4

4.45

0.00

0.40

Fair

Clear

NONE

2019-05-20 15:02:36

PDT

Yes

EML/DRP/DJO

USGS

125

4.65

Poor

Clear

NONE

2016-06-30 10:40

PDT

Yes

NWS/AAS

USGS

12.2

4.28

0.01

1.10

Fair

DebrisLight

NONE

2011-09-28 12:14:30

PDT

Yes

WRB

USGS

22.8

4.43

0.00

1.40

Poor

Clear

NONE

2011-09-28 12:00

PDT

Yes

TB/DOH

USGS

28.7

4.42

0.00

1.70

Poor

Clear

NONE

2011-08-29 12:20:30

PDT

Yes

WRB

USGS

22.0

4.43

0.00

1.50

Poor

Clear

NONE

2010-09-22 11:44

PDT

Yes

WRB/TB

USGS

6.14

4.35

0.00

1.30

Poor

Clear

NONE

2010-07-27 12:51:30

PDT

Yes

WRB

USGS

17.2

4.33

0.00

1.50

Poor

Clear

NONE

2009-09-08 12:50:30

PDT

Yes

WRB

USGS

5.27

4.30

0.00

1.70

Poor

Clear

NONE

2009-08-19 14:02

PDT

Yes

WRB

USGS

6.08

4.32

0.00

1.10

Poor

Clear

NONE

2007-09-27 10:50

PDT

Yes

wrb

USGS

10.7

4.30

0.00

1.20

Poor

DebrisModerate

NONE

2007-07-03 10:51

PDT

Yes

WRB/SJB

USGS

18.8

4.34

0.00

0.60

Poor

DebrisLight

NONE

2006-09-21 14:12

PDT

Yes

SJB

USGS

20.9

4.36

0.00

0.60

Poor

DebrisLight

NONE

2006-07-21 09:55

PDT

Yes

SJB

USGS

31.8

4.40

0.01

2.20

Poor

Clear

NONE

2005-07-19 09:23

PDT

Yes

SJB

USGS

34.3

4.51

0.00

0.60

Poor

VegetationLight

NONE

2003-08-05 10:40

PDT

Yes

SJB

USGS

14.6

4.35

0.00

0.90

Poor

VegetationLight

NONE

2003-06-17 13:20

PDT

Yes

SJB

USGS

28.0

4.49

0.00

0.80

Poor

VegetationLight

NONE

2002-07-12 09:05

PDT

Yes

SJB/MHW

USGS

12.6

4.37

0.00

0.80

Poor

VegetationLight

NONE

2001-09-28 11:40

PDT

Yes

MHW

USGS

7.24

4.32

0.00

0.80

Poor

Clear

NONE

2001-09-24 13:25

PDT

Yes

MHW

USGS

5.23

4.32

0.00

0.70

Poor

DebrisModerate

NONE

1989-04-19 10:30

PDT

Yes

WJH

USGS

30.3

4.49

0.00

0.50

Fair

Clear

NONE

1989-02-24 11:15

PST

Yes

WJH

USGS

42.0

4.57

0.00

0.50

Fair

Clear

NONE

1989-01-18 11:00

PST

Yes

WJH

USGS

18.0

4.42

0.00

0.60

Fair

Clear

NONE

1988-01-11 15:45

PST

Yes

WJH

USGS

152

4.76

-0.02

0.80

Fair

Clear

NONE