USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01480761 Valley Run at Seltzer Road at Thorndale, PA

Chester County, Pennsylvania

Hydrologic Unit Code 02040205

Latitude 39°59'32", Longitude 75°46'51" NAD27

Drainage area 1.30 square miles

Gage datum 325 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)	GH Change (ft)	Meas. Duration (hr)	Meas. Rated	Control	Flow Adjust. Code
15	2013-08-13 09:23:17	EDT	Yes	AST/MVM	USGS	136	7.90	-0.05	0.10	Poor	Unspecifed	NONE
14	2011-03-10 15:29:30	EST	Yes	leo	USGS	48.6	6.19	-0.02	0.50	Fair	Clear	NONE
13	2010-05-03 09:08:30	EDT	Yes	MCG	USGS	21.0	5.22	-0.25	0.30	Poor	DebrisModerate	NONE
12	2009-12-09 10:07:30	EST	Yes	AST	USGS	29.0	5.63	-0.20	0.30	Poor	Unspecifed	NONE
11	2009-10-01 13:42	EDT	Yes	MCG	USGS	0.28	3.54	0.00	0.30	Poor	DebrisHeavy	NONE
10	2009-09-11 10:27	EDT	Yes	AGL	USGS	20.5	5.10	-0.05	0.10	Poor	DebrisLight	NONE
9	2009-09-11 10:07:30	EDT	Yes	AGL	USGS	23.1	5.25	-0.22	0.30	Poor	DebrisLight	NONE
8	2009-05-07 08:21:30	EDT	Yes	MCG	USGS	7.34	4.36	-0.04	0.20	Poor	Clear	NONE
7	2008-12-12 12:32	EST	Yes	AST	USGS	3.58	3.91	-0.02	0.20	Poor	DebrisLight	NONE
6	2008-12-11 15:08	EST	Yes	AST	USGS	4.39	4.02	0.05	0.30	Fair	Unspecifed	NONE
5	2008-12-11 14:44	EST	Yes	AST	USGS	3.58	3.95	0.08	0.30	Fair	Unspecifed	NONE
4	2008-12-10 11:26	EST	Yes	MCG	USGS	1.10	3.60	-0.01	0.30	Poor	Clear	NONE
3	2008-12-10 11:01	EST	Yes	MCG	USGS	1.27	3.62	-0.04	0.30	Poor	Clear	NONE
2	2008-05-16 13:55	EDT	Yes	MCG	USGS	4.94	3.98	-0.05	0.40	Fair	DebrisHeavy	NONE
1	2008-05-09 10:18	EDT	Yes	DRG	USGS	3.93	4.05	-0.09	0.30	Fair		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

2013-08-13 09:23:17

EDT

Yes

AST/MVM

USGS

136

7.90

-0.05

0.10

Poor

Unspecifed

NONE

2011-03-10 15:29:30

EST

Yes

leo

USGS

48.6

6.19

-0.02

0.50

Fair

Clear

NONE

2010-05-03 09:08:30

EDT

Yes

MCG

USGS

21.0

5.22

-0.25

0.30

Poor

DebrisModerate

NONE

2009-12-09 10:07:30

EST

Yes

AST

USGS

29.0

5.63

-0.20

0.30

Poor

Unspecifed

NONE

2009-10-01 13:42

EDT

Yes

MCG

USGS

0.28

3.54

0.00

0.30

Poor

DebrisHeavy

NONE

2009-09-11 10:27

EDT

Yes

AGL

USGS

20.5

5.10

-0.05

0.10

Poor

DebrisLight

NONE

2009-09-11 10:07:30

EDT

Yes

AGL

USGS

23.1

5.25

-0.22

0.30

Poor

DebrisLight

NONE

2009-05-07 08:21:30

EDT

Yes

MCG

USGS

7.34

4.36

-0.04

0.20

Poor

Clear

NONE

2008-12-12 12:32

EST

Yes

AST

USGS

3.58

3.91

-0.02

0.20

Poor

DebrisLight

NONE

2008-12-11 15:08

EST

Yes

AST

USGS

4.39

4.02

0.05

0.30

Fair

Unspecifed

NONE

2008-12-11 14:44

EST

Yes

AST

USGS

3.58

3.95

0.08

0.30

Fair

Unspecifed

NONE

2008-12-10 11:26

EST

Yes

MCG

USGS

1.10

3.60

-0.01

0.30

Poor

Clear

NONE

2008-12-10 11:01

EST

Yes

MCG

USGS

1.27

3.62

-0.04

0.30

Poor

Clear

NONE

2008-05-16 13:55

EDT

Yes

MCG

USGS

4.94

3.98

-0.05

0.40

Fair

DebrisHeavy

NONE

2008-05-09 10:18

EDT

Yes

DRG

USGS

3.93

4.05

-0.09

0.30

Fair

NONE