USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01578340 East Branch Octoraro Creek at Christiana, PA

Chester County, Pennsylvania

Hydrologic Unit Code 02050306

Latitude 39°56'57", Longitude 75°59'38" NAD27

Drainage area 11.80 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
18	2017-11-15 12:27	EST	Yes	agr	USGS	6.84				Fair	DebrisLight	NONE
17	2011-11-03 09:35	EDT	Yes	AGR	USGS	18.9				Good	DebrisLight	NONE
16	1997-10-31 08:20	EST	Yes	RR	USGS	4.53	9.20	0.00	1.00	Good	DebrisLight	NONE
15	1996-10-30 12:47	EST	Yes	RR	USGS	15.2	6.36	0.00	0.80	Good	DebrisLight	NONE
14	1995-10-26 10:20	EDT	Yes	RR	USGS	6.76	6.44	0.00	0.80	Fair	DebrisLight	NONE
13	1994-11-21 09:10	EST	Yes	R	USGS	6.00	8.71	0.00	1.00	Good	DebrisLight	NONE
12	1993-10-19 10:15	EDT	Yes	RR	USGS	7.90				Good	DebrisLight	NONE
11	1992-11-09 10:15	EST	Yes	RRB	USGS	5.30	9.65	0.00	1.00	Fair	VegetationLight	NONE
10	1991-10-24 09:05	EDT	Yes	KRL	USGS	4.81	9.68			Good	DebrisLight	NONE
9	1990-10-18 08:45	EDT	Yes	KRL	USGS	5.42	9.61	0.00	0.80	Good	DebrisLight	NONE
8	1989-10-27 09:40	EDT	Yes	RRM	USGS	9.06	9.59			Fair		NONE
7	1988-11-07 09:15	EST	Yes	DR	USGS	7.15	9.65	0.00	1.00	Good	DebrisLight	NONE
6	1987-11-18 -- --	--	Yes	KM	USGS	10.6				Good	DebrisLight	NONE
5	1986-11-20 -- --	--	Yes	DS	USGS	4.69				Good	Clear	NONE
4	1985-10-24 -- --	--	Yes	BCJ	USGS	5.28	9.68			Unspecified	Clear	NONE
3	1984-10-26 -- --	--	Yes	CLA/CRM	USGS	7.50				Poor	Clear	NONE
2	1983-10-28 08:30	EDT	Yes	kg	USGS	6.93	9.60			Fair	DebrisLight	NONE
1	1982-10-27 09:25	EDT	Yes	kg	USGS	4.00				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

2017-11-15 12:27

EST

Yes

agr

USGS

6.84

Fair

DebrisLight

NONE

2011-11-03 09:35

EDT

Yes

AGR

USGS

18.9

Good

DebrisLight

NONE

1997-10-31 08:20

EST

Yes

USGS

4.53

9.20

0.00

1.00

Good

DebrisLight

NONE

1996-10-30 12:47

EST

Yes

USGS

15.2

6.36

0.00

0.80

Good

DebrisLight

NONE

1995-10-26 10:20

EDT

Yes

USGS

6.76

6.44

0.00

0.80

Fair

DebrisLight

NONE

1994-11-21 09:10

EST

Yes

USGS

6.00

8.71

0.00

1.00

Good

DebrisLight

NONE

1993-10-19 10:15

EDT

Yes

USGS

7.90

Good

DebrisLight

NONE

1992-11-09 10:15

EST

Yes

RRB

USGS

5.30

9.65

0.00

1.00

Fair

VegetationLight

NONE

1991-10-24 09:05

EDT

Yes

KRL

USGS

4.81

9.68

Good

DebrisLight

NONE

1990-10-18 08:45

EDT

Yes

KRL

USGS

5.42

9.61

0.00

0.80

Good

DebrisLight

NONE

1989-10-27 09:40

EDT

Yes

RRM

USGS

9.06

9.59

Fair

NONE

1988-11-07 09:15

EST

Yes

USGS

7.15

9.65

0.00

1.00

Good

DebrisLight

NONE

1987-11-18 -- --

Yes

USGS

10.6

Good

DebrisLight

NONE

1986-11-20 -- --

Yes

USGS

4.69

Good

Clear

NONE

1985-10-24 -- --

Yes

BCJ

USGS

5.28

9.68

Unspecified

Clear

NONE

1984-10-26 -- --

Yes

CLA/CRM

USGS

7.50

Poor

Clear

NONE

1983-10-28 08:30

EDT

Yes

USGS

6.93

9.60

Fair

DebrisLight

NONE

1982-10-27 09:25

EDT

Yes

USGS

4.00

Fair

Clear

NONE