USGS Surface Water for USA: Streamflow Measurements

USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

USGS 01591475 DORSEY BRANCH NEAR KNOLLWOOD, MD

Howard County, Maryland

Hydrologic Unit Code 02060006

Latitude 39°15'40", Longitude 77°02'17" NAD27

Drainage area 3.78 square miles

Gage datum 400 feet above NGVD29

**Output formats**
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format

Output formats

HTML table with channel data

HTML table without channel data

Tab-separated data with channel data

Tab-separated data without channel data

Graph of data

Reselect output format

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
19	2002-09-19 10:43	EDT	Yes	JMF	USGS	0.18	0.00	0.10	Fair		NONE
18	1990-06-27 11:10	EDT	Yes	JRD	USGS	2.38			Good	Clear	NONE
17	1990-04-27 10:10	EDT	Yes	JRD	USGS	3.60			Good	Clear	NONE
16	1990-03-29 10:25	EST	Yes	JRD	USGS	3.30			Good	Clear	NONE
15	1990-03-08 12:00	EST	Yes	JRD	USGS	3.41			Good	Clear	NONE
14	1989-10-13 15:15	EDT	Yes	JRD/MDT	USGS	2.10			Good	Clear	NONE
13	1989-04-26 15:00	EDT	Yes	RJS/JA	USGS	3.38			Good	Clear	NONE
12	1988-12-20 09:35	EST	Yes	RJS/JA	USGS	1.53			Good	Clear	NONE
11	1988-12-05 13:00	EST	Yes	JRD	USGS	2.10			Good	Clear	NONE
10	1988-10-13 16:30	EDT	Yes	JRD	USGS	1.13			Good	Clear	NONE
9	1988-09-12 19:50	EDT	Yes	JRD	USGS	1.13			Good	Clear	NONE
8	1988-08-18 17:50	EDT	Yes	JRD	USGS	1.25			Good	Clear	NONE
7	1988-07-01 16:55	EDT	Yes	JRD	USGS	1.61			Good	Clear	NONE
6	1988-03-19 14:15	EST	Yes	JRD	USGS	3.37			Good	Clear	NONE
5	1988-03-02 15:15	EST	Yes	JRD	USGS	3.74			Good	Clear	NONE
4	1987-11-09 11:15	EST	Yes	RHP	USGS	1.80			Good	Clear	NONE
3	1987-10-20 16:15	EDT	Yes	JRD	USGS	1.54			Good	Clear	NONE
2	1964-03-26 10:45	EST	Yes	DHC	USGS	4.95			Good	Clear	NONE
1	1963-10-22 14:40	EST	Yes	WJD	USGS	0.75			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

2002-09-19 10:43

EDT

Yes

JMF

USGS

0.18

0.00

0.10

Fair

NONE

1990-06-27 11:10

EDT

Yes

JRD

USGS

2.38

Good

Clear

NONE

1990-04-27 10:10

EDT

Yes

JRD

USGS

3.60

Good

Clear

NONE

1990-03-29 10:25

EST

Yes

JRD

USGS

3.30

Good

Clear

NONE

1990-03-08 12:00

EST

Yes

JRD

USGS

3.41

Good

Clear

NONE

1989-10-13 15:15

EDT

Yes

JRD/MDT

USGS

2.10

Good

Clear

NONE

1989-04-26 15:00

EDT

Yes

RJS/JA

USGS

3.38

Good

Clear

NONE

1988-12-20 09:35

EST

Yes

RJS/JA

USGS

1.53

Good

Clear

NONE

1988-12-05 13:00

EST

Yes

JRD

USGS

2.10

Good

Clear

NONE

1988-10-13 16:30

EDT

Yes

JRD

USGS

1.13

Good

Clear

NONE

1988-09-12 19:50

EDT

Yes

JRD

USGS

1.13

Good

Clear

NONE

1988-08-18 17:50

EDT

Yes

JRD

USGS

1.25

Good

Clear

NONE

1988-07-01 16:55

EDT

Yes

JRD

USGS

1.61

Good

Clear

NONE

1988-03-19 14:15

EST

Yes

JRD

USGS

3.37

Good

Clear

NONE

1988-03-02 15:15

EST

Yes

JRD

USGS

3.74

Good

Clear

NONE

1987-11-09 11:15

EST

Yes

RHP

USGS

1.80

Good

Clear

NONE

1987-10-20 16:15

EDT

Yes

JRD

USGS

1.54

Good

Clear

NONE

1964-03-26 10:45

EST

Yes

DHC

USGS

4.95

Good

Clear

NONE

1963-10-22 14:40

EST

Yes

WJD

USGS

0.75

Good

Clear

NONE