USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01654107 LONG BRANCH AT OLLEY LANE NR FAIRFAX, VA

Fairfax County, Virginia

Hydrologic Unit Code 02070010

Latitude 38°49'28.56", Longitude 77°16'00.12" NAD83

Drainage area 1.19 square miles

Gage datum 293.63 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
27	2025-09-04 10:20:47	EDT	Yes	MLB, CRS	USGS	0.03	2.03	0.00	0.65	Poor	DebrisLight	NONE
26	2025-08-20 12:09:55	EDT	Yes	BWD/MLB	USGS	0.15	2.07	0.00	0.33	Poor	DebrisLight	NONE
25	2025-07-24 09:04:03	EDT	Yes	MLB, BWD	USGS	0.28	2.09	0.00	0.42	Poor	Clear	NONE
24	2025-06-04 15:40:16	EDT	Yes	BWD/MLB	USGS	0.44	2.13	0.00	0.33	Poor	DebrisLight	NONE
23	2025-06-04 14:45:39	EDT	No
22	2025-05-13 16:09:40	EDT	Yes	TJT/HDR	USGS	29.7	2.78	0.00	0.24	Poor		NONE
21	2025-04-01 15:12:43	EDT	Yes	MLB, BWD	USGS	0.84	2.19	0.00	0.47	Poor	DebrisLight	NONE
20	2025-01-30 09:49:10	EST	Yes	BWD/MLB	USGS	0.38	2.16	0.01	0.75	Poor	DebrisLight	NONE
19	2024-12-03 08:29:10	EST	Yes	TJT/MLB/BTC	USGS	0.16	2.15	0.00	0.50	Poor	DebrisHeavy	NONE
18	2024-10-16 09:18:06	EDT	Yes	BWD/LHW	USGS	0.13	2.16	0.00	0.45	Poor	DebrisHeavy	NONE
17	2024-08-21 13:34:48	EDT	Yes	BWD/LHW	USGS	0.16	2.14	0.00	0.60	Poor	Clear	NONE
16	2024-06-26 13:56:43	EDT	Yes	LHW/BWD	USGS	0.22	2.17	0.00	0.42	Unspecified	Clear	NONE
15	2024-06-26 12:58:48	EDT	Yes	LHW/BWD	USGS	0.22	2.17	0.00	0.42	Poor	Clear	NONE
14S	2024-05-26 00:10	EDT	Yes	BWD	USGS	395	5.51			Unknown		NONE
14	2024-05-01 14:49:03	EDT	Yes	LHW/BWD	USGS	0.62	2.16	0.00	0.50	Poor	Clear	NONE
13	2024-03-06 12:48:03	EST	Yes	LHW/BWD	USGS	1.11	2.19	0.00	0.50	Poor	Clear	NONE
12	2024-01-11 16:47:12	EST	Yes	BWD/LHW	USGS	0.73	2.19	0.00	0.50	Poor	Clear	NONE
11	2024-01-09 14:32:20	EST	Yes	LHW/BWD	USGS	92.2	3.40	0.26	0.33	Poor	Clear	NONE
10	2024-01-09 12:32:45	EST	Yes	LHW/BWD	USGS	33.5	2.85	0.07	0.25	Poor	Clear	NONE
9	2023-10-20 09:53	EDT	Yes	TJT/EDI	USGS	0.08	2.16	0.00	0.25	Poor	DebrisModerate	NONE
8	2023-07-26 12:59:50	EDT	Yes	BWD/HDR	USGS	0.11	2.14	0.00	0.33	Poor	DebrisLight	NONE
7	2023-06-21 14:41:53	EDT	Yes	HKC/JAT	USGS	4.77	2.43	0.02	0.25	Poor	Clear	NONE
6	2023-06-06 11:52:37	EDT	Yes	ABW/JKL	USGS	0.16	2.13	0.00	0.35	Poor	DebrisLight	NONE
5	2023-03-10 11:14:27	EST	Yes	RAM/BWD	US	0.52	2.22	0.00	0.50	Poor	DebrisLight	NONE
4	2023-01-12 08:46:17	EST	Yes	BWD/RAM	USGS	0.45	2.18	0.00	0.58	Poor	DebrisLight	NONE
3	2022-10-18 09:21:12	EDT	Yes	BWD	USGS	0.18	2.23	0.00	0.42	Poor	DebrisHeavy	NONE
02	2022-10-13 12:04:12	EDT	Yes	RAM/BWD/HKC	US	2.48	2.33	0.02	0.33	Poor	DebrisLight	NONE
01	2022-10-13 10:53:52	EDT	Yes	RAM/BWD/HKC	US	4.81	2.43	0.04	0.33	Poor	DebrisLight	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

2025-09-04 10:20:47

EDT

Yes

MLB, CRS

USGS

0.03

2.03

0.00

0.65

Poor

DebrisLight

NONE

2025-08-20 12:09:55

EDT

Yes

BWD/MLB

USGS

0.15

2.07

0.00

0.33

Poor

DebrisLight

NONE

2025-07-24 09:04:03

EDT

Yes

MLB, BWD

USGS

0.28

2.09

0.00

0.42

Poor

Clear

NONE

2025-06-04 15:40:16

EDT

Yes

BWD/MLB

USGS

0.44

2.13

0.00

0.33

Poor

DebrisLight

NONE

2025-06-04 14:45:39

EDT

2025-05-13 16:09:40

EDT

Yes

TJT/HDR

USGS

29.7

2.78

0.00

0.24

Poor

NONE

2025-04-01 15:12:43

EDT

Yes

MLB, BWD

USGS

0.84

2.19

0.00

0.47

Poor

DebrisLight

NONE

2025-01-30 09:49:10

EST

Yes

BWD/MLB

USGS

0.38

2.16

0.01

0.75

Poor

DebrisLight

NONE

2024-12-03 08:29:10

EST

Yes

TJT/MLB/BTC

USGS

0.16

2.15

0.00

0.50

Poor

DebrisHeavy

NONE

2024-10-16 09:18:06

EDT

Yes

BWD/LHW

USGS

0.13

2.16

0.00

0.45

Poor

DebrisHeavy

NONE

2024-08-21 13:34:48

EDT

Yes

BWD/LHW

USGS

0.16

2.14

0.00

0.60

Poor

Clear

NONE

2024-06-26 13:56:43

EDT

Yes

LHW/BWD

USGS

0.22

2.17

0.00

0.42

Unspecified

Clear

NONE

2024-06-26 12:58:48

EDT

Yes

LHW/BWD

USGS

0.22

2.17

0.00

0.42

Poor

Clear

NONE

14S

2024-05-26 00:10

EDT

Yes

BWD

USGS

395

5.51

Unknown

NONE

2024-05-01 14:49:03

EDT

Yes

LHW/BWD

USGS

0.62

2.16

0.00

0.50

Poor

Clear

NONE

2024-03-06 12:48:03

EST

Yes

LHW/BWD

USGS

1.11

2.19

0.00

0.50

Poor

Clear

NONE

2024-01-11 16:47:12

EST

Yes

BWD/LHW

USGS

0.73

2.19

0.00

0.50

Poor

Clear

NONE

2024-01-09 14:32:20

EST

Yes

LHW/BWD

USGS

92.2

3.40

0.26

0.33

Poor

Clear

NONE

2024-01-09 12:32:45

EST

Yes

LHW/BWD

USGS

33.5

2.85

0.07

0.25

Poor

Clear

NONE

2023-10-20 09:53

EDT

Yes

TJT/EDI

USGS

0.08

2.16

0.00

0.25

Poor

DebrisModerate

NONE

2023-07-26 12:59:50

EDT

Yes

BWD/HDR

USGS

0.11

2.14

0.00

0.33

Poor

DebrisLight

NONE

2023-06-21 14:41:53

EDT

Yes

HKC/JAT

USGS

4.77

2.43

0.02

0.25

Poor

Clear

NONE

2023-06-06 11:52:37

EDT

Yes

ABW/JKL

USGS

0.16

2.13

0.00

0.35

Poor

DebrisLight

NONE

2023-03-10 11:14:27

EST

Yes

RAM/BWD

0.52

2.22

0.00

0.50

Poor

DebrisLight

NONE

2023-01-12 08:46:17

EST

Yes

BWD/RAM

USGS

0.45

2.18

0.00

0.58

Poor

DebrisLight

NONE

2022-10-18 09:21:12

EDT

Yes

BWD

USGS

0.18

2.23

0.00

0.42

Poor

DebrisHeavy

NONE

2022-10-13 12:04:12

EDT

Yes

RAM/BWD/HKC

2.48

2.33

0.02

0.33

Poor

DebrisLight

NONE

2022-10-13 10:53:52

EDT

Yes

RAM/BWD/HKC

4.81

2.43

0.04

0.33

Poor

DebrisLight

NONE