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 01400795 Bear Bk at Rt 571 near Grovers Mill NJ

Mercer County, New Jersey

Hydrologic Unit Code 02030105

Latitude 40°17'41", Longitude 74°35'33" NAD83

Drainage area 9.28 square miles

Contributing drainage area 9.28 square miles

Gage datum 62.48 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
15	1996-10-19 16:07	EDT	Yes	JFD/JJS	USGS	570	10.05	0.07	1.20	Fair	Unspecifed	NONE
14	1996-04-16 12:33	EDT	Yes	JFD/ CM	USGS	159	7.58	0.07	0.80	Fair	DebrisLight	NONE
13	1994-08-22 14:05	EDT	Yes	VC	USGS	128	7.89	-0.04	1.00	Fair	Clear	NONE
12	1992-06-06 10:20	EDT	Yes	ajv	USGS	85.6	7.45	0.13	2.10	Good	Clear	NONE
11	1992-04-09 14:30	EDT	Yes	DSK	USGS	3.64	5.55	0.00	0.50	Fair	Clear	NONE
10	1989-09-21 12:03	EDT	Yes	GLC/JDJ	USGS	56.0	7.53	-0.06	0.80	Fair	DebrisModerate	NONE
9	1989-03-31 11:30	EST	Yes	RGR	USGS	43.4	7.12	-0.03	0.60	Fair	DebrisModerate	NONE
8	1988-08-24 12:18	EDT	Yes	BS	USGS	29.9	7.50	-0.03	0.70	Fair	DebrisHeavy	NONE
7	1988-05-20 10:25	EDT	Yes	RGR/JDJ	USGS	52.0	7.28	-0.05	0.70	Good	DebrisHeavy	NONE
6	1987-04-06 -- --	--	Yes	GLC/BDS	USGS	104	7.85	0.02	0.80	Good	Clear	NONE
5	1987-04-05 -- --	--	Yes	EWM/JLF	USGS	264	8.82	0.22	1.30	Good	Clear	NONE
4	1986-04-18 -- --	--	Yes	GLC	USGS	68.3	7.35	-0.02	1.30	Good	Clear	NONE
3	1986-03-15 -- --	--	Yes	GLC	USGS	29.3	6.88	-0.03	0.80	Good	Clear	NONE
2	1986-03-15 -- --	--	Yes	GLC	USGS	32.2	6.91	-0.02	0.90	Good	Clear	NONE
1	1986-01-27 -- --	--	Yes	GLC	USGS	81.9	7.62	-0.02	1.00	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

1996-10-19 16:07

EDT

Yes

JFD/JJS

USGS

570

10.05

0.07

1.20

Fair

Unspecifed

NONE

1996-04-16 12:33

EDT

Yes

JFD/ CM

USGS

159

7.58

0.07

0.80

Fair

DebrisLight

NONE

1994-08-22 14:05

EDT

Yes

USGS

128

7.89

-0.04

1.00

Fair

Clear

NONE

1992-06-06 10:20

EDT

Yes

ajv

USGS

85.6

7.45

0.13

2.10

Good

Clear

NONE

1992-04-09 14:30

EDT

Yes

DSK

USGS

3.64

5.55

0.00

0.50

Fair

Clear

NONE

1989-09-21 12:03

EDT

Yes

GLC/JDJ

USGS

56.0

7.53

-0.06

0.80

Fair

DebrisModerate

NONE

1989-03-31 11:30

EST

Yes

RGR

USGS

43.4

7.12

-0.03

0.60

Fair

DebrisModerate

NONE

1988-08-24 12:18

EDT

Yes

USGS

29.9

7.50

-0.03

0.70

Fair

DebrisHeavy

NONE

1988-05-20 10:25

EDT

Yes

RGR/JDJ

USGS

52.0

7.28

-0.05

0.70

Good

DebrisHeavy

NONE

1987-04-06 -- --

Yes

GLC/BDS

USGS

104

7.85

0.02

0.80

Good

Clear

NONE

1987-04-05 -- --

Yes

EWM/JLF

USGS

264

8.82

0.22

1.30

Good

Clear

NONE

1986-04-18 -- --

Yes

GLC

USGS

68.3

7.35

-0.02

1.30

Good

Clear

NONE

1986-03-15 -- --

Yes

GLC

USGS

29.3

6.88

-0.03

0.80

Good

Clear

NONE

1986-03-15 -- --

Yes

GLC

USGS

32.2

6.91

-0.02

0.90

Good

Clear

NONE

1986-01-27 -- --

Yes

GLC

USGS

81.9

7.62

-0.02

1.00

Good

Clear

NONE