USGS Surface Water for USA: Streamflow Measurements

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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 01102029 MILL BROOK AT PUMP HOUSE AT ROCKPORT, MA

Essex County, Massachusetts

Hydrologic Unit Code 01090001

Latitude 42°39'06", Longitude 70°37'50" NAD27

Drainage area 0.55 square miles

Contributing drainage area 0.55 square miles

Gage datum 60 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
24	2000-11-08 11:24	EST	Yes	jsw	USGS	0.63	1.54	0.00	0.50	Fair	Clear	unkn
23	2000-09-07 12:30	EDT	Yes	jsw	USGS	0.17	1.38	0.00	0.30	Poor	Clear	unkn
22	2000-07-18 12:45	EDT	Yes	rss	USGS	0.22	1.43	0.00	0.30	Poor		unkn
21	2000-06-12 13:33	EDT	Yes	jsw	USGS	1.24	1.60	0.00	0.50	Fair	Clear	unkn
20	2000-05-05 14:24	EDT	Yes	jsw	USGS	2.07	1.68	0.00	0.40	Poor	Clear	unkn
19	2000-03-23 12:00	EST	Yes	jsw	USGS	1.50	1.64	-0.01	0.30	Poor	Clear	unkn
18	2000-02-15 13:27	EST	Yes	jsw	USGS	1.31	1.65	0.03	0.40	Fair	Clear	unkn
17	2000-02-15 13:00	EST	Yes	jsw	USGS	1.45	1.64	0.03	0.60	Poor	Clear	unkn
16	2000-02-14 14:50	EST	Yes	GGG	USGS	5.31	1.89	0.00	0.50	Good	Clear	unkn
15	1999-12-28 10:15	EST	Yes	JSW	USGS	0.60	1.50	0.00	0.20	Poor	Clear	unkn
14	1999-10-28 09:24	EDT	Yes	JSW/DM	USGS	0.73	1.53	0.00	0.50	Poor	DebrisLight	unkn
13	1999-09-27 13:00	EDT	Yes	JFW	USGS	0.30	1.37	0.00	0.30	Fair	Clear	unkn
12	1999-09-27 12:30	EDT	Yes	JFW	USGS	0.31	1.37	0.00	0.30	Fair	Clear	unkn
11	1999-07-23 10:45	EDT	Yes	JLZ	USGS	0.02	1.22	0.00	0.10	Poor	VegetationLight	unkn
10	1999-07-23 10:35	EDT	Yes	JLZ	USGS	0.01	1.22	0.00	0.10	Poor	VegetationLight	unkn
9	1999-06-28 11:00	EDT	Yes	jfw	USGS	0.10	1.31	0.00	0.10	Poor	Clear	unkn
8	1999-06-28 10:45	EDT	Yes	jfw	USGS	0.09	1.31	0.00	0.10	Poor	Clear	unkn
7	1999-05-11 11:20	EDT	Yes	JLZ	USGS	0.47	1.49	0.00	0.40	Fair	Clear	unkn
6	1999-05-11 10:38	EDT	Yes	JLZ	USGS	0.64	1.49	0.00	0.50	Fair	Clear	unkn
5	1999-03-04 08:55	EST	Yes	jlz	USGS	2.85	1.78	-0.02	1.00	Good	Clear	unkn
4	1999-02-03 10:40	EST	Yes	JLZ	USGS	8.53	1.99	0.00	0.50	Fair	Clear	unkn
3	1999-01-16 11:00	EST	Yes	JLZ	USGS	3.18	1.76	-0.01	0.50	Fair	Clear	unkn
2	1999-01-04 11:40	EST	Yes	ggg	USGS	0.71	1.56	0.00	0.50	Good	Clear	unkn
1	1998-12-16 11:21	EST	Yes	dm	USGS	0.23	1.45	0.00	0.30	Poor	DebrisLight	unkn

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

2000-11-08 11:24

EST

Yes

jsw

USGS

0.63

1.54

0.00

0.50

Fair

Clear

unkn

2000-09-07 12:30

EDT

Yes

jsw

USGS

0.17

1.38

0.00

0.30

Poor

Clear

unkn

2000-07-18 12:45

EDT

Yes

rss

USGS

0.22

1.43

0.00

0.30

Poor

unkn

2000-06-12 13:33

EDT

Yes

jsw

USGS

1.24

1.60

0.00

0.50

Fair

Clear

unkn

2000-05-05 14:24

EDT

Yes

jsw

USGS

2.07

1.68

0.00

0.40

Poor

Clear

unkn

2000-03-23 12:00

EST

Yes

jsw

USGS

1.50

1.64

-0.01

0.30

Poor

Clear

unkn

2000-02-15 13:27

EST

Yes

jsw

USGS

1.31

1.65

0.03

0.40

Fair

Clear

unkn

2000-02-15 13:00

EST

Yes

jsw

USGS

1.45

1.64

0.03

0.60

Poor

Clear

unkn

2000-02-14 14:50

EST

Yes

GGG

USGS

5.31

1.89

0.00

0.50

Good

Clear

unkn

1999-12-28 10:15

EST

Yes

JSW

USGS

0.60

1.50

0.00

0.20

Poor

Clear

unkn

1999-10-28 09:24

EDT

Yes

JSW/DM

USGS

0.73

1.53

0.00

0.50

Poor

DebrisLight

unkn

1999-09-27 13:00

EDT

Yes

JFW

USGS

0.30

1.37

0.00

0.30

Fair

Clear

unkn

1999-09-27 12:30

EDT

Yes

JFW

USGS

0.31

1.37

0.00

0.30

Fair

Clear

unkn

1999-07-23 10:45

EDT

Yes

JLZ

USGS

0.02

1.22

0.00

0.10

Poor

VegetationLight

unkn

1999-07-23 10:35

EDT

Yes

JLZ

USGS

0.01

1.22

0.00

0.10

Poor

VegetationLight

unkn

1999-06-28 11:00

EDT

Yes

jfw

USGS

0.10

1.31

0.00

0.10

Poor

Clear

unkn

1999-06-28 10:45

EDT

Yes

jfw

USGS

0.09

1.31

0.00

0.10

Poor

Clear

unkn

1999-05-11 11:20

EDT

Yes

JLZ

USGS

0.47

1.49

0.00

0.40

Fair

Clear

unkn

1999-05-11 10:38

EDT

Yes

JLZ

USGS

0.64

1.49

0.00

0.50

Fair

Clear

unkn

1999-03-04 08:55

EST

Yes

jlz

USGS

2.85

1.78

-0.02

1.00

Good

Clear

unkn

1999-02-03 10:40

EST

Yes

JLZ

USGS

8.53

1.99

0.00

0.50

Fair

Clear

unkn

1999-01-16 11:00

EST

Yes

JLZ

USGS

3.18

1.76

-0.01

0.50

Fair

Clear

unkn

1999-01-04 11:40

EST

Yes

ggg

USGS

0.71

1.56

0.00

0.50

Good

Clear

unkn

1998-12-16 11:21

EST

Yes

USGS

0.23

1.45

0.00

0.30

Poor

DebrisLight

unkn

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://staging.waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Massachusetts Water Data Support Team
Page Last Modified: 2024-11-28 19:21:00 EST
0.27 0.26 staging