USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01029100 E. Br. Penobscot River below Grand Lake Matagamon

Penobscot County, Maine

Hydrologic Unit Code 01020002

Latitude 46°08'03.70", Longitude 68°47'38.06" NAD83

Drainage area 493 square miles

Gage datum 626 feet above NAVD88

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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
16	2025-09-10 09:28:54	EDT	Yes	JRP	USGS	241	2.59	0.00	1.00	Fair	Clear	NONE
15	2025-06-23 10:31:52	EDT	Yes	JRP/JMM	USGS	655	3.34	0.01	0.20	Fair	Clear	NONE
14	2025-05-02 09:53:47	EDT	Yes	JRP	USGS	3760	6.26	0.01	0.30	Fair	Clear	NONE
13	2025-03-24 10:12:07	EDT	Yes	JRP/JMM	USGS	2600	5.40	0.01	0.20	Fair	Clear	NONE
12	2025-03-10 08:57:32	EDT	Yes	JRP/JRC	USGS	294	2.70	0.00	0.25	Fair	Clear	NONE
11	2025-01-27 08:54:06	EST	Yes	JRP/JMM	USGS	401	2.90	0.00	0.30	Fair	IceShore	NONE
10	2024-11-12 09:10:03	EST	Yes	JRP/JMK	USGS	197	2.50	0.01	0.70	Fair	Clear	NONE
9	2024-10-03 12:58:55	EDT	Yes	JRP/JMK	USGS	215	2.53	0.01	1.00	Fair	Clear	NONE
8	2024-10-03 12:48:37	EDT	Yes	JRP/JMK	USGS	215	2.53	0.00	1.00	Fair	Clear	NONE
7	2024-10-02 17:30:54	EDT	Yes	JRP/JMK/JMM/	USGS	1900	4.79	0.00	0.20	Fair	Clear	NONE
6	2024-06-24 08:49:19	EDT	Yes	JRP	USGS	370	2.85	0.00	0.20	Fair	Clear	NONE
5	2024-05-15 11:27	EDT	Yes	ARC	USGS	1290	4.14	0.00	0.25	Fair	Clear	NONE
4	2024-05-15 09:04:10	EDT	Yes	ARC	USGS	603	3.22	0.00	0.30	Fair	Clear	NONE
2	2024-05-13 16:05:07	EDT	Yes	JRP/ARC/HSG/	USGS	378	2.85	0.01	1.10	Fair	Clear	NONE
3	2024-05-13 15:51:57	EDT	Yes	JRP/ARC/HSG/	USGS	369	2.85	0.00	0.25	Fair	Clear	NONE
1	2024-05-13 15:49:58	EDT	Yes	JRP/ARC/HSG/	USGS	358	2.85	0.00	1.00	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

2025-09-10 09:28:54

EDT

Yes

JRP

USGS

241

2.59

0.00

1.00

Fair

Clear

NONE

2025-06-23 10:31:52

EDT

Yes

JRP/JMM

USGS

655

3.34

0.01

0.20

Fair

Clear

NONE

2025-05-02 09:53:47

EDT

Yes

JRP

USGS

3760

6.26

0.01

0.30

Fair

Clear

NONE

2025-03-24 10:12:07

EDT

Yes

JRP/JMM

USGS

2600

5.40

0.01

0.20

Fair

Clear

NONE

2025-03-10 08:57:32

EDT

Yes

JRP/JRC

USGS

294

2.70

0.00

0.25

Fair

Clear

NONE

2025-01-27 08:54:06

EST

Yes

JRP/JMM

USGS

401

2.90

0.00

0.30

Fair

IceShore

NONE

2024-11-12 09:10:03

EST

Yes

JRP/JMK

USGS

197

2.50

0.01

0.70

Fair

Clear

NONE

2024-10-03 12:58:55

EDT

Yes

JRP/JMK

USGS

215

2.53

0.01

1.00

Fair

Clear

NONE

2024-10-03 12:48:37

EDT

Yes

JRP/JMK

USGS

215

2.53

0.00

1.00

Fair

Clear

NONE

2024-10-02 17:30:54

EDT

Yes

JRP/JMK/JMM/

USGS

1900

4.79

0.00

0.20

Fair

Clear

NONE

2024-06-24 08:49:19

EDT

Yes

JRP

USGS

370

2.85

0.00

0.20

Fair

Clear

NONE

2024-05-15 11:27

EDT

Yes

ARC

USGS

1290

4.14

0.00

0.25

Fair

Clear

NONE

2024-05-15 09:04:10

EDT

Yes

ARC

USGS

603

3.22

0.00

0.30

Fair

Clear

NONE

2024-05-13 16:05:07

EDT

Yes

JRP/ARC/HSG/

USGS

378

2.85

0.01

1.10

Fair

Clear

NONE

2024-05-13 15:51:57

EDT

Yes

JRP/ARC/HSG/

USGS

369

2.85

0.00

0.25

Fair

Clear

NONE

2024-05-13 15:49:58

EDT

Yes

JRP/ARC/HSG/

USGS

358

2.85

0.00

1.00

Fair

Clear

NONE

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

Page Contact Information: Maine Water Data Support Team
Page Last Modified: 2025-11-05 00:34:03 EST
0.34 0.34 vaww01