USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01476435 Ridley Creek at Dutton Mill near West Chester, PA

Chester County, Pennsylvania

Hydrologic Unit Code 02040202

Latitude 39°58'50", Longitude 75°31'00" NAD27

Drainage area 9.71 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
29	2000-10-04 12:25	EDT	Yes	moh	USGS	8.59				Fair	Clear	NONE
28	2000-08-24 14:15	EDT	Yes	AGR	USGS	7.39				Fair	Clear	NONE
27	1999-10-07 09:10	EDT	Yes	AM	USGS	10.7				Fair	Clear	NONE
26	1998-11-04 09:05	EST	Yes	adm/agr	USGS	2.65		0.00	2.00	Fair	Clear	NONE
25	1996-10-23 10:10	EDT	Yes	rrd	USGS	22.3		0.01	1.00	Good	Clear	NONE
24	1995-10-23 10:35	EDT	Yes	rr	USGS	10.4		0.01	1.00	Good	DebrisLight	NONE
23	1994-10-07 10:55	EDT	Yes	r	USGS	5.00		0.00	1.00	Good	VegetationLight	NONE
22	1993-10-25 10:35	EDT	Yes	rr	USGS	7.80				Unspecified	DebrisLight	NONE
21	1992-10-20 13:35	EDT	Yes	rb	USGS	5.00		0.00	1.00	Good	DebrisLight	NONE
20	1991-11-06 13:20	EST	Yes	rr	USGS	4.90				Good	VegetationLight	NONE
19	1990-10-30 12:00	EST	Yes	rr	USGS	6.18	1.64	0.00	0.50	Fair	VegetationLight	NONE
18	1989-11-14 13:48	EST	Yes	mm	USGS	12.5	1.47	0.00		Unspecified		NONE
17	1988-10-25 17:00	EDT	Yes	cmm	USGS	5.02	1.32	0.00	0.80	Fair	DebrisLight	NONE
16	1982-10-14 14:05	EDT	Yes	kg	USGS	4.89	1.33	0.00	0.30	Fair	VegetationLight	NONE
15	1982-07-20 13:35	EDT	Yes	VC	USGS	9.89	1.41	0.00	0.60	Fair	Clear	NONE
14	1981-05-07 10:40	EDT	Yes	VC	USGS	5.96	1.32	0.00	0.30	Fair	Clear	NONE
13	1980-10-23 12:45	EDT	Yes	VC	USGS	2.75	1.22	0.00	0.50	Good	Clear	NONE
12	1980-06-24 15:10	EDT	Yes	G	USGS	8.22	1.34	0.00	0.80	Poor	VegetationLight	NONE
11	1980-03-07 08:50	EST	Yes	VC	USGS	10.3	1.36	-0.01	0.70	Fair	Clear	NONE
10	1979-10-23 10:45	EDT	Yes	VC	USGS	18.0	1.55	0.00	0.60	Good	Clear	NONE
9	1979-07-18 11:55	EDT	Yes	VC	USGS	11.0	1.37	0.00	0.60	Fair	Clear	NONE
8	1978-10-04 13:55	EDT	Yes	GP	USGS	6.93	1.33	0.00	0.50	Unspecified	Clear	NONE
7	1978-07-28 08:20	EDT	Yes	PM/RD	USGS	26.8	1.87	0.00	1.00	Fair		NONE
6	1978-01-26 11:53	EST	Yes	VC/TW	USGS	706	5.16	-0.21	0.50	Fair	Unspecifed	NONE
5	1977-11-28 09:25	EST	Yes	VC	USGS	15.8	1.30	0.00	0.60	Fair	Clear	NONE
4	1977-04-22 10:20	EST	Yes	KK	USGS	12.3	10.80	0.00	0.60	Fair	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

2000-10-04 12:25

EDT

Yes

moh

USGS

8.59

Fair

Clear

NONE

2000-08-24 14:15

EDT

Yes

AGR

USGS

7.39

Fair

Clear

NONE

1999-10-07 09:10

EDT

Yes

USGS

10.7

Fair

Clear

NONE

1998-11-04 09:05

EST

Yes

adm/agr

USGS

2.65

0.00

2.00

Fair

Clear

NONE

1996-10-23 10:10

EDT

Yes

rrd

USGS

22.3

0.01

1.00

Good

Clear

NONE

1995-10-23 10:35

EDT

Yes

USGS

10.4

0.01

1.00

Good

DebrisLight

NONE

1994-10-07 10:55

EDT

Yes

USGS

5.00

0.00

1.00

Good

VegetationLight

NONE

1993-10-25 10:35

EDT

Yes

USGS

7.80

Unspecified

DebrisLight

NONE

1992-10-20 13:35

EDT

Yes

USGS

5.00

0.00

1.00

Good

DebrisLight

NONE

1991-11-06 13:20

EST

Yes

USGS

4.90

Good

VegetationLight

NONE

1990-10-30 12:00

EST

Yes

USGS

6.18

1.64

0.00

0.50

Fair

VegetationLight

NONE

1989-11-14 13:48

EST

Yes

USGS

12.5

1.47

0.00

Unspecified

NONE

1988-10-25 17:00

EDT

Yes

cmm

USGS

5.02

1.32

0.00

0.80

Fair

DebrisLight

NONE

1982-10-14 14:05

EDT

Yes

USGS

4.89

1.33

0.00

0.30

Fair

VegetationLight

NONE

1982-07-20 13:35

EDT

Yes

USGS

9.89

1.41

0.00

0.60

Fair

Clear

NONE

1981-05-07 10:40

EDT

Yes

USGS

5.96

1.32

0.00

0.30

Fair

Clear

NONE

1980-10-23 12:45

EDT

Yes

USGS

2.75

1.22

0.00

0.50

Good

Clear

NONE

1980-06-24 15:10

EDT

Yes

USGS

8.22

1.34

0.00

0.80

Poor

VegetationLight

NONE

1980-03-07 08:50

EST

Yes

USGS

10.3

1.36

-0.01

0.70

Fair

Clear

NONE

1979-10-23 10:45

EDT

Yes

USGS

18.0

1.55

0.00

0.60

Good

Clear

NONE

1979-07-18 11:55

EDT

Yes

USGS

11.0

1.37

0.00

0.60

Fair

Clear

NONE

1978-10-04 13:55

EDT

Yes

USGS

6.93

1.33

0.00

0.50

Unspecified

Clear

NONE

1978-07-28 08:20

EDT

Yes

PM/RD

USGS

26.8

1.87

0.00

1.00

Fair

NONE

1978-01-26 11:53

EST

Yes

VC/TW

USGS

706

5.16

-0.21

0.50

Fair

Unspecifed

NONE

1977-11-28 09:25

EST

Yes

USGS

15.8

1.30

0.00

0.60

Fair

Clear

NONE

1977-04-22 10:20

EST

Yes

USGS

12.3

10.80

0.00

0.60

Fair

Clear

NONE