USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 0165694286 BIG ROCKY RUN AT STRINGFELLOW RD NR CHANTILLY, VA

Fairfax County, Virginia

Hydrologic Unit Code 02070010

Latitude 38°52'05.4", Longitude 77°24'28.0" NAD83

Drainage area 3.40 square miles

Gage datum 297.8 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
032	2023-02-14 09:50	EST	Yes	JRD JMG	USGS	4.20	17.69			Fair		NONE
31	2022-08-03 08:31:30	EDT	Yes	JRD TDC	USGS	1.45	17.55			Fair		NONE
30	2022-04-12 09:30	EDT	Yes	JRD	USGS	2.19	17.58	0.00	1.00	Fair	Clear	NONE
29	2022-01-11 08:30:23	EST	Yes	BWD/HKC	USGS	5.31	17.69	0.00	0.83	Fair	Clear	NONE
28	2021-08-13 08:25:32	EDT	Yes	BWD	USGS	0.78	17.37	0.00	0.43	Poor	Clear	NONE
27	2021-04-06 11:35:11	EDT	Yes	BWD	USGS	2.44	17.46	0.00	0.50	Fair	Clear	NONE
26	2021-02-09 10:07	EST	Yes	TDC	USGS	3.23				Good		NONE
25	2020-10-26 12:27:35	EDT	Yes	BWD	USGS	2.84	17.52	0.00	0.58	Fair	DebrisModerate	NONE
34S	2020-05-04 00:15	EDT	Yes	JKL	USGS	128	19.47			Unknown		NONE
33S	2020-04-13 08:15	EDT	Yes	JKL	USGS	271	20.72			Unknown		NONE
32S	2017-03-31 11:00	EDT	Yes	JMD	USGS	187	20.15			Poor		NONE
31S	2017-03-31 11:00	EDT	Yes	JMD	USGS	175	20.00			Poor		NONE
30S	2017-01-23 14:15	EST	Yes	JMD	USGS	92.0	19.14			Poor		NONE
29S	2016-08-21 14:30	EDT	Yes	JMD	USGS	461	21.39			Poor		NONE
28S	2016-07-28 22:15	EDT	Yes	JMD	USGS	202	20.50			Poor		NONE
27S	2016-06-21 17:15	EDT	Yes	JMD	USGS	179	20.21			Poor		NONE
26S	2016-06-03 17:30	EDT	Yes	JMD	USGS	678	21.43			Poor		NONE
25S	2016-04-07 09:15	EDT	Yes	JMD	USGS	124	19.50			Poor		NONE
24	2016-03-28 09:05	EDT	Yes	BTC	USGS	11.2	17.86			Good		NONE
23	2016-02-02 11:59:30	EST	Yes	JMD	USGS	17.3	18.02	0.00	0.40	Good	Clear	NONE
22	2012-01-13 09:39:30	EST	Yes	CCR/KMD	USGS	10.2	18.26	-0.01		Fair	Clear	NONE
21	2011-11-02 08:26:30	EDT	Yes	kmd	USGS	2.10	17.91	0.00	0.50	Poor	Clear	NONE
20	2011-09-13 18:31:30	EDT	Yes	KMD/DLM	USGS	1.77	17.95	0.00	0.50	Fair	Clear	NONE
19S	2011-09-08 -- --	--	Yes	RRL	USGS	1960	23.48			Poor		NONE
18	2011-08-29 15:12:30	EDT	Yes	KMD/WVD	USGS	3.52	17.75	0.00	0.50	Fair	Clear	NONE
17	2011-07-06 11:52	EDT	Yes	KMD/WVD	USGS	1.43	17.58	0.07	0.50	Fair		NONE
16	2011-04-20 13:45	EDT	Yes	KMD/RLY	USGS	4.06	17.81	-0.02	0.40	Fair	Clear	NONE
15	2011-03-09 15:12	EST	Yes	RLY/KMD	USGS	4.08	17.81	0.00	0.40	Fair	Clear	NONE
14	2011-01-18 15:02	EST	Yes	KMD/RLY	USGS	5.47	17.88	0.00	0.50	Good	Clear	NONE
13	2010-11-05 08:14	EDT	Yes	RLY/KMD	USGS	10.2	18.40	-0.01	0.50	Good	Clear	NONE
12	2010-09-08 07:52:30	EDT	Yes	RLY	USGS	0.27	17.39	0.00	0.30	Poor	Clear	NONE
11	2010-08-18 12:46:30	EDT	Yes	NEB	USGS	58.5	19.06	-0.04	0.20	Poor	Clear	NONE
10	2010-07-14 13:13	EDT	Yes	KMD/MJB	USGS	18.9	18.18	-0.01	0.50	Fair	Clear	NONE
9	2010-05-20 11:47:30	EDT	Yes	KMD/RLY	USGS	1.57	17.56	0.01	0.40	Fair	Clear	NONE
8	2010-03-17 08:10	EDT	Yes	ALH/KMD	USGS	4.83	17.74	0.00	0.40	Fair	Clear	NONE
7	2009-12-09 11:11	EST	Yes	KMD	USGS	78.4	19.40	-0.08	0.40	Poor	Unspecifed	NONE
6	2009-11-12 11:18:30	EST	Yes	RJA/KMD	USGS	44.7	18.72	0.04	0.40	Fair	DebrisLight	NONE
5	2009-09-28 15:20	EDT	Yes	RJA/KMD	USGS	2.31	17.60	0.00	0.30	Poor	DebrisLight	NONE
4	2009-06-10 09:47:30	EDT	Yes	RJA/RBB	USGS	5.00	17.76	-0.01	0.40	Good	Clear	NONE
3	2009-02-12 10:27:30	EST	Yes	RJA/RRL	USGS	1.64	17.54	0.00	0.30	Good	DebrisLight	NONE
2	2008-06-05 10:00	EDT	Yes	RRL/RJA	USGS	43.6	18.68	-0.02	0.20	Fair	Clear	NONE
1	2008-03-27 18:04	EDT	Yes	RJA	USGS	2.39	17.66	0.00	0.20	Good	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

032

2023-02-14 09:50

EST

Yes

JRD JMG

USGS

4.20

17.69

Fair

NONE

2022-08-03 08:31:30

EDT

Yes

JRD TDC

USGS

1.45

17.55

Fair

NONE

2022-04-12 09:30

EDT

Yes

JRD

USGS

2.19

17.58

0.00

1.00

Fair

Clear

NONE

2022-01-11 08:30:23

EST

Yes

BWD/HKC

USGS

5.31

17.69

0.00

0.83

Fair

Clear

NONE

2021-08-13 08:25:32

EDT

Yes

BWD

USGS

0.78

17.37

0.00

0.43

Poor

Clear

NONE

2021-04-06 11:35:11

EDT

Yes

BWD

USGS

2.44

17.46

0.00

0.50

Fair

Clear

NONE

2021-02-09 10:07

EST

Yes

TDC

USGS

3.23

Good

NONE

2020-10-26 12:27:35

EDT

Yes

BWD

USGS

2.84

17.52

0.00

0.58

Fair

DebrisModerate

NONE

34S

2020-05-04 00:15

EDT

Yes

JKL

USGS

128

19.47

Unknown

NONE

33S

2020-04-13 08:15

EDT

Yes

JKL

USGS

271

20.72

Unknown

NONE

32S

2017-03-31 11:00

EDT

Yes

JMD

USGS

187

20.15

Poor

NONE

31S

2017-03-31 11:00

EDT

Yes

JMD

USGS

175

20.00

Poor

NONE

30S

2017-01-23 14:15

EST

Yes

JMD

USGS

92.0

19.14

Poor

NONE

29S

2016-08-21 14:30

EDT

Yes

JMD

USGS

461

21.39

Poor

NONE

28S

2016-07-28 22:15

EDT

Yes

JMD

USGS

202

20.50

Poor

NONE

27S

2016-06-21 17:15

EDT

Yes

JMD

USGS

179

20.21

Poor

NONE

26S

2016-06-03 17:30

EDT

Yes

JMD

USGS

678

21.43

Poor

NONE

25S

2016-04-07 09:15

EDT

Yes

JMD

USGS

124

19.50

Poor

NONE

2016-03-28 09:05

EDT

Yes

BTC

USGS

11.2

17.86

Good

NONE

2016-02-02 11:59:30

EST

Yes

JMD

USGS

17.3

18.02

0.00

0.40

Good

Clear

NONE

2012-01-13 09:39:30

EST

Yes

CCR/KMD

USGS

10.2

18.26

-0.01

Fair

Clear

NONE

2011-11-02 08:26:30

EDT

Yes

kmd

USGS

2.10

17.91

0.00

0.50

Poor

Clear

NONE

2011-09-13 18:31:30

EDT

Yes

KMD/DLM

USGS

1.77

17.95

0.00

0.50

Fair

Clear

NONE

19S

2011-09-08 -- --

Yes

RRL

USGS

1960

23.48

Poor

NONE

2011-08-29 15:12:30

EDT

Yes

KMD/WVD

USGS

3.52

17.75

0.00

0.50

Fair

Clear

NONE

2011-07-06 11:52

EDT

Yes

KMD/WVD

USGS

1.43

17.58

0.07

0.50

Fair

NONE

2011-04-20 13:45

EDT

Yes

KMD/RLY

USGS

4.06

17.81

-0.02

0.40

Fair

Clear

NONE

2011-03-09 15:12

EST

Yes

RLY/KMD

USGS

4.08

17.81

0.00

0.40

Fair

Clear

NONE

2011-01-18 15:02

EST

Yes

KMD/RLY

USGS

5.47

17.88

0.00

0.50

Good

Clear

NONE

2010-11-05 08:14

EDT

Yes

RLY/KMD

USGS

10.2

18.40

-0.01

0.50

Good

Clear

NONE

2010-09-08 07:52:30

EDT

Yes

RLY

USGS

0.27

17.39

0.00

0.30

Poor

Clear

NONE

2010-08-18 12:46:30

EDT

Yes

NEB

USGS

58.5

19.06

-0.04

0.20

Poor

Clear

NONE

2010-07-14 13:13

EDT

Yes

KMD/MJB

USGS

18.9

18.18

-0.01

0.50

Fair

Clear

NONE

2010-05-20 11:47:30

EDT

Yes

KMD/RLY

USGS

1.57

17.56

0.01

0.40

Fair

Clear

NONE

2010-03-17 08:10

EDT

Yes

ALH/KMD

USGS

4.83

17.74

0.00

0.40

Fair

Clear

NONE

2009-12-09 11:11

EST

Yes

KMD

USGS

78.4

19.40

-0.08

0.40

Poor

Unspecifed

NONE

2009-11-12 11:18:30

EST

Yes

RJA/KMD

USGS

44.7

18.72

0.04

0.40

Fair

DebrisLight

NONE

2009-09-28 15:20

EDT

Yes

RJA/KMD

USGS

2.31

17.60

0.00

0.30

Poor

DebrisLight

NONE

2009-06-10 09:47:30

EDT

Yes

RJA/RBB

USGS

5.00

17.76

-0.01

0.40

Good

Clear

NONE

2009-02-12 10:27:30

EST

Yes

RJA/RRL

USGS

1.64

17.54

0.00

0.30

Good

DebrisLight

NONE

2008-06-05 10:00

EDT

Yes

RRL/RJA

USGS

43.6

18.68

-0.02

0.20

Fair

Clear

NONE

2008-03-27 18:04

EDT

Yes

RJA

USGS

2.39

17.66

0.00

0.20

Good

Clear

NONE