USGS Surface Water for USA: Streamflow Measurements

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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