USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01583200 BLACKROCK RUN AT COOPERSVILLE, MD

Baltimore County, Maryland

Hydrologic Unit Code 02060003

Latitude 39°32'36", Longitude 76°44'00" NAD27

Drainage area 9.38 square miles

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Meas. Number	Date Time	Time Datum	Measurement Used?	Who	Measuring Agency	Stream flow (ft³/s)	GH Change (ft)	Meas. Duration (hr)	Meas. Rated	Control	Flow Adjust. Code
16	2008-09-19 12:25	EDT	Yes	JRD	USGS	3.63	0.00	0.50	Good	Clear	NONE
15	2008-09-16 12:55	EDT	Yes	JRD	USGS	3.83	0.00	0.50	Good	Clear	NONE
14	2008-09-03 15:50	EDT	Yes	JRD	USGS	3.09	0.00	0.50	Good	Clear	NONE
13	2002-09-19 13:50	EDT	Yes	JJK	USGS	0.95			Poor		NONE
12	1966-07-21 17:02	EDT	Yes	BMH	USGS	1.26			Good	Clear	NONE
11	1963-09-26 13:35	EDT	Yes	EJP	USGS	2.10			Good	Clear	NONE
10	1963-07-30 10:20	EDT	Yes	EJP	USGS	3.44			Good	Clear	NONE
9	1962-08-30 10:45	EDT	Yes	DHC	USGS	2.90			Good	Clear	NONE
8	1962-07-30 13:00	EDT	Yes	DHC	USGS	4.59			Good	Clear	NONE
7	1959-09-28 14:10	EDT	Yes	JMD	USGS	1.50			Fair	Clear	NONE
6	1959-05-12 13:10	EDT	Yes	AGT	USGS	5.33			Good	Clear	NONE
5	1958-09-09 14:50	EDT	Yes	AGT	USGS	4.96			Good	Clear	NONE
4	1958-06-06 12:00	EDT	Yes	AGT	USGS	13.8			Good	Clear	NONE
3	1957-08-22 17:50	EDT	Yes	AGT	USGS	2.68			Good	Clear	NONE
2	1957-05-07 08:50	EDT	Yes	LCD	USGS	10.6			Fair	Clear	NONE
1	1956-05-26 10:35	EDT	Yes	LCD	USGS	10.4			Good	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

2008-09-19 12:25

EDT

Yes

JRD

USGS

3.63

0.00

0.50

Good

Clear

NONE

2008-09-16 12:55

EDT

Yes

JRD

USGS

3.83

0.00

0.50

Good

Clear

NONE

2008-09-03 15:50

EDT

Yes

JRD

USGS

3.09

0.00

0.50

Good

Clear

NONE

2002-09-19 13:50

EDT

Yes

JJK

USGS

0.95

Poor

NONE

1966-07-21 17:02

EDT

Yes

BMH

USGS

1.26

Good

Clear

NONE

1963-09-26 13:35

EDT

Yes

EJP

USGS

2.10

Good

Clear

NONE

1963-07-30 10:20

EDT

Yes

EJP

USGS

3.44

Good

Clear

NONE

1962-08-30 10:45

EDT

Yes

DHC

USGS

2.90

Good

Clear

NONE

1962-07-30 13:00

EDT

Yes

DHC

USGS

4.59

Good

Clear

NONE

1959-09-28 14:10

EDT

Yes

JMD

USGS

1.50

Fair

Clear

NONE

1959-05-12 13:10

EDT

Yes

AGT

USGS

5.33

Good

Clear

NONE

1958-09-09 14:50

EDT

Yes

AGT

USGS

4.96

Good

Clear

NONE

1958-06-06 12:00

EDT

Yes

AGT

USGS

13.8

Good

Clear

NONE

1957-08-22 17:50

EDT

Yes

AGT

USGS

2.68

Good

Clear

NONE

1957-05-07 08:50

EDT

Yes

LCD

USGS

10.6

Fair

Clear

NONE

1956-05-26 10:35

EDT

Yes

LCD

USGS

10.4

Good

Clear

NONE