USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01652910 BACKLICK RUN AT ALEXANDRIA, VA

Alexandria City, Virginia

Hydrologic Unit Code 02070010

Latitude 38°48'11", Longitude 77°07'41" NAD27

Drainage area 13.5 square miles

Gage datum 69.97 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
38	1977-08-04 11:00	EDT	Yes	JDL/SAM	USGS	1.30		Unspecified		NONE
37	1974-09-23 09:55	EDT	Yes	PMS	USGS	2.50		Unspecified		NONE
36	1973-09-27 10:35	EDT	Yes	DHR	USGS	4.31		Unspecified		NONE
35	1973-09-06 12:45	EDT	Yes	/	USGS	7.90		Unspecified		NONE
34	1972-09-08 -- --	--	Yes	/	USGS	1.90		Unspecified		NONE
33	1971-09-29 16:10	EDT	Yes	TLC	USGS	2.60		Unspecified		NONE
32	1970-08-28 13:05	EDT	Yes	WVB/RAW	USGS	0.98		Unspecified		NONE
30	1968-09-04 15:00	EDT	Yes	/	USGS	2.27		Unspecified		NONE
29	1968-08-23 10:56	EDT	Yes	/	USGS	1.92		Unspecified		NONE
28	1967-08-17 11:45	EDT	Yes	/	USGS	1.13		Unspecified		NONE
27	1966-09-01 -- --	--	Yes	JWL	USGS	0.78		Unspecified		NONE
26	1966-08-25 -- --	--	Yes	/	USGS	0.59		Unspecified		NONE
25	1965-09-07 16:15	EDT	Yes	FPK	USGS	0.76		Unspecified		NONE
24	1964-08-25 10:15	EDT	Yes	FPK	USGS	0.76		Unspecified		NONE
23	1963-08-19 13:00	EDT	Yes	/	USGS	0.30		Unspecified		NONE
22	1963-06-03 12:00	EDT	Yes	LGC	USGS	483	2.45	Fair	Clear	NONE
21	1963-06-03 12:00	EDT	Yes	LGC	USGS	524	2.44	Fair	Clear	NONE
20	1963-03-06 13:40	EST	Yes	LGC	USGS	312	2.22	Fair		NONE
19	1963-03-06 13:30	EST	Yes	LGC	USGS	397	2.46	Fair		NONE
18	1962-08-30 09:45	EDT	Yes	JFB	USGS	0.77		Unspecified		NONE
17	1961-10-20 14:05	EDT	Yes	FGG	USGS	0.60		Unspecified		NONE
12	1960-10-20 08:55	EDT	Yes	LGC	USGS	108	1.16	Good	Clear	NONE
11	1960-10-12 12:40	EDT	Yes	LGC	USGS	1.59		Unspecified		NONE
10	1960-10-04 11:31	EDT	Yes	/	USGS	0.85		Unspecified		NONE
7	1960-09-09 10:15	EDT	Yes	/	USGS	0.79		Unspecified		NONE
6	1960-08-13 10:15	EDT	Yes	LGC	USGS	215	1.28	Fair		NONE
5	1960-05-28 12:00	EDT	Yes	DGA	USGS	302	1.69	Good		NONE
4	1960-05-13 11:32	EDT	Yes	JFB/JEM	USGS	7.05	0.14	Poor		NONE
3	1960-04-05 12:42	EST	Yes	JEN/LGC	USGS	164	1.09	Good	Clear	NONE
2	1960-04-05 11:45	EST	Yes	JEN/LGC	USGS	210	1.28	Good	Clear	NONE
1S	1959-12-12 -- --	--	Yes	A/C	USGS	188		Unspecified		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

1977-08-04 11:00

EDT

Yes

JDL/SAM

USGS

1.30

Unspecified

NONE

1974-09-23 09:55

EDT

Yes

PMS

USGS

2.50

Unspecified

NONE

1973-09-27 10:35

EDT

Yes

DHR

USGS

4.31

Unspecified

NONE

1973-09-06 12:45

EDT

Yes

USGS

7.90

Unspecified

NONE

1972-09-08 -- --

Yes

USGS

1.90

Unspecified

NONE

1971-09-29 16:10

EDT

Yes

TLC

USGS

2.60

Unspecified

NONE

1970-08-28 13:05

EDT

Yes

WVB/RAW

USGS

0.98

Unspecified

NONE

1968-09-04 15:00

EDT

Yes

USGS

2.27

Unspecified

NONE

1968-08-23 10:56

EDT

Yes

USGS

1.92

Unspecified

NONE

1967-08-17 11:45

EDT

Yes

USGS

1.13

Unspecified

NONE

1966-09-01 -- --

Yes

JWL

USGS

0.78

Unspecified

NONE

1966-08-25 -- --

Yes

USGS

0.59

Unspecified

NONE

1965-09-07 16:15

EDT

Yes

FPK

USGS

0.76

Unspecified

NONE

1964-08-25 10:15

EDT

Yes

FPK

USGS

0.76

Unspecified

NONE

1963-08-19 13:00

EDT

Yes

USGS

0.30

Unspecified

NONE

1963-06-03 12:00

EDT

Yes

LGC

USGS

483

2.45

Fair

Clear

NONE

1963-06-03 12:00

EDT

Yes

LGC

USGS

524

2.44

Fair

Clear

NONE

1963-03-06 13:40

EST

Yes

LGC

USGS

312

2.22

Fair

NONE

1963-03-06 13:30

EST

Yes

LGC

USGS

397

2.46

Fair

NONE

1962-08-30 09:45

EDT

Yes

JFB

USGS

0.77

Unspecified

NONE

1961-10-20 14:05

EDT

Yes

FGG

USGS

0.60

Unspecified

NONE

1960-10-20 08:55

EDT

Yes

LGC

USGS

108

1.16

Good

Clear

NONE

1960-10-12 12:40

EDT

Yes

LGC

USGS

1.59

Unspecified

NONE

1960-10-04 11:31

EDT

Yes

USGS

0.85

Unspecified

NONE

1960-09-09 10:15

EDT

Yes

USGS

0.79

Unspecified

NONE

1960-08-13 10:15

EDT

Yes

LGC

USGS

215

1.28

Fair

NONE

1960-05-28 12:00

EDT

Yes

DGA

USGS

302

1.69

Good

NONE

1960-05-13 11:32

EDT

Yes

JFB/JEM

USGS

7.05

0.14

Poor

NONE

1960-04-05 12:42

EST

Yes

JEN/LGC

USGS

164

1.09

Good

Clear

NONE

1960-04-05 11:45

EST

Yes

JEN/LGC

USGS

210

1.28

Good

Clear

NONE

1959-12-12 -- --

Yes

A/C

USGS

188

Unspecified

NONE