USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01671200 SOUTH ANNA RIVER NEAR GORDONSVILLE, VA

Louisa County, Virginia

Hydrologic Unit Code 02080106

Latitude 38°07'25", Longitude 78°12'20" NAD27

Drainage area 5.01 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
17	2024-04-04 10:48:57	EDT	Yes	JCC/TMF	VDEQ	17.3	2.24	-0.01	0.25	Good	Clear	NONE
16	2024-04-04 09:35:41	EDT	Yes	JCC/TMF	VDEQ	17.9	2.26	-0.02	0.25	Good	Clear	NONE
15	2024-03-18 13:37:55	EDT	Yes	TMF	VDEQ	4.53	1.84	0.00	0.24	Fair	Clear	NONE
14	2024-03-11 12:45:20	EDT	Yes	TMF	VDEQ	12.2	2.08	0.00	0.45	Fair	Clear	NONE
13	2024-03-11 10:35	EDT	Yes	TMF	VDEQ	11.6	2.10	0.00	0.28	Fair	Clear	NONE
12	2001-11-02 14:15	EST	Yes	DWH	USGS	0.00				Good		NONE
11	1995-12-05 09:15	EST	Yes	DWH	USGS	4.09				Good		NONE
10	1994-10-20 09:00	EDT	Yes	DWH	USGS	1.02				Fair		NONE
9	1994-06-14 10:25	EDT	Yes	DWH	USGS	0.57				Good		NONE
8	1994-04-05 11:00	EDT	Yes	DWH	USGS	9.08				Good		NONE
7	1993-09-30 11:45	EDT	Yes	EDP	USGS	0.01				Good		NONE
6	1993-07-08 10:50	EDT	Yes	EDP	USGS	0.38				Good		NONE
5	1992-09-23 12:10	EDT	Yes	EDP	USGS	0.04				Good		NONE
4	1992-08-06 14:00	EDT	Yes	EDP	USGS	0.05				Good		NONE
3	1991-09-17 -- --	--	Yes	EDP	USGS	0.00				Unspecified		NONE
2	1991-09-10 13:30	EDT	Yes	DWH/REL	USGS	0.00				Unspecified		NONE
1	1991-09-04 15:30	EDT	Yes	REL	USGS	0.02				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

2024-04-04 10:48:57

EDT

Yes

JCC/TMF

VDEQ

17.3

2.24

-0.01

0.25

Good

Clear

NONE

2024-04-04 09:35:41

EDT

Yes

JCC/TMF

VDEQ

17.9

2.26

-0.02

0.25

Good

Clear

NONE

2024-03-18 13:37:55

EDT

Yes

TMF

VDEQ

4.53

1.84

0.00

0.24

Fair

Clear

NONE

2024-03-11 12:45:20

EDT

Yes

TMF

VDEQ

12.2

2.08

0.00

0.45

Fair

Clear

NONE

2024-03-11 10:35

EDT

Yes

TMF

VDEQ

11.6

2.10

0.00

0.28

Fair

Clear

NONE

2001-11-02 14:15

EST

Yes

DWH

USGS

0.00

Good

NONE

1995-12-05 09:15

EST

Yes

DWH

USGS

4.09

Good

NONE

1994-10-20 09:00

EDT

Yes

DWH

USGS

1.02

Fair

NONE

1994-06-14 10:25

EDT

Yes

DWH

USGS

0.57

Good

NONE

1994-04-05 11:00

EDT

Yes

DWH

USGS

9.08

Good

NONE

1993-09-30 11:45

EDT

Yes

EDP

USGS

0.01

Good

NONE

1993-07-08 10:50

EDT

Yes

EDP

USGS

0.38

Good

NONE

1992-09-23 12:10

EDT

Yes

EDP

USGS

0.04

Good

NONE

1992-08-06 14:00

EDT

Yes

EDP

USGS

0.05

Good

NONE

1991-09-17 -- --

Yes

EDP

USGS

0.00

Unspecified

NONE

1991-09-10 13:30

EDT

Yes

DWH/REL

USGS

0.00

Unspecified

NONE

1991-09-04 15:30

EDT

Yes

REL

USGS

0.02

Good

NONE