USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01309680 SEAFORD CREEK AT MASSAPEQUA (SF8)

Nassau County, New York

Hydrologic Unit Code 02030202

Latitude 40°40'08", Longitude 73°28'55" NAD83

Drainage area 2.25 square miles

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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
42	1995-03-01 12:45	EST	Yes	RBW	USGS	1.18	0.31	0.00	0.50	Fair	Clear	NONE
41	1995-01-03 11:20	EST	Yes	RBW	USGS	0.57	0.40	0.00	0.30	Fair	DebrisLight	NONE
40	1994-11-18 10:19	EST	Yes	KM	USGS	0.40	0.44	0.00	0.30	Poor	DebrisLight	NONE
39	1994-09-20 10:53	EST	Yes	KM	USGS	0.34	0.32	0.00	0.40	Poor	Unspecifed	NONE
38	1994-08-01 13:00	EST	Yes	KM	USGS	0.35	0.24	0.00	0.30	Fair	Clear	NONE
37	1994-06-14 10:10	EST	Yes	RBW	USGS	0.44	0.30	0.00	0.40	Poor	DebrisLight	NONE
36	1994-05-31 09:40	EST	Yes	RBW	USGS	0.87	0.50	0.00	0.40	Poor	Clear	NONE
35	1994-04-01 10:22	EST	Yes	KM	USGS	2.17	0.59	0.00	0.40	Fair	Clear	NONE
34	1994-01-28 15:57	EST	Yes	TP	USGS	44.3	1.71	0.02	0.50	Poor	Clear	NONE
33	1994-01-28 14:41	EST	Yes	TP	USGS	37.4	1.53	0.20	0.80	Fair	Clear	NONE
32	1993-12-20 11:21	EST	Yes	KM	USGS	0.83	0.36	0.00	0.50	Good	Clear	NONE
31	1993-11-01 11:17	EST	Yes	KM	USGS	0.92	0.47	0.00	0.50	Fair	DebrisLight	NONE
30	1993-09-27 13:46	EST	Yes	KM	USGS	3.09	0.61	0.02	0.50	Fair	Clear	NONE
29	1993-09-14 11:21	EST	Yes	KM	USGS	0.41	0.21	0.00	0.40	Good	Clear	NONE
28	1993-08-10 11:15	EST	Yes	BW	USGS	0.35	0.21	0.00	0.30	Fair	Clear	NONE
27	1993-07-19 11:30	EST	Yes	BW	USGS	0.35	0.22	0.00	0.30	Fair	Clear	NONE
26	1993-07-15 10:10	EST	Yes	RBW/KM	USGS	0.49	0.26	0.00	0.30	Fair	Clear	NONE
25	1993-07-12 12:45	EST	Yes	BW	USGS	0.33	0.21	0.00	0.30	Fair	Clear	NONE
24	1993-06-01 12:12	EST	Yes	KM	USGS	1.88	0.42	-0.01	0.40	Good	Clear	NONE
23	1993-04-01 13:15	EST	Yes	CES	USGS	19.6	1.25	-0.02	0.50	Fair	Clear	NONE
22	1993-04-01 12:42	EST	Yes	CES	USGS	21.6	1.27	-0.01	0.50	Fair	Clear	NONE
21	1993-02-23 12:48	EST	Yes	KMC	USGS	1.13	0.31	0.00	0.50	Good	Clear	NONE
20	1993-01-21 13:50	EST	Yes	RBW	USGS	1.08	0.33	0.00	0.50	Fair	Clear	NONE
19	1992-11-23 09:55	EST	Yes	KMC	USGS	17.8	1.27	-0.03	0.40	Poor	Clear	NONE
18	1992-09-03 12:15	EST	Yes	RBW	USGS	6.07	0.88	-0.04	0.50	Fair	Clear	NONE
17	1992-09-03 10:50	EST	Yes	RBW	USGS	10.4	1.01	0.02	0.50	Fair	Clear	NONE
16	1992-08-18 13:44	EST	Yes	CES/DMM	USGS	3.18	0.56	0.00	0.50	Fair	Clear	NONE
15	1992-08-18 08:19	EST	Yes	CES/DMM	USGS	5.46	0.73	-0.06	0.60	Fair	Clear	NONE
14	1992-08-18 07:32	EST	Yes	CES/DMM	USGS	6.80	0.78	-0.08	0.60	Good	Clear	NONE
13	1992-08-17 12:58	EST	Yes	CES	USGS	19.0	1.17	-0.02	0.80	Good	Clear	NONE
12	1992-08-14 07:45	EST	Yes	RBW	USGS	1.21	0.43	-0.01	0.50	Fair	DebrisLight	NONE
11	1992-07-27 11:00	EST	Yes	RBW	USGS	0.82	0.34	3.00	0.40	Fair	Clear	NONE
10	1992-06-01 11:15	EST	Yes	KMC	USGS	0.97	0.37	0.00	0.40	Fair	Clear	NONE
9	1992-04-14 14:33	EST	Yes	CES	USGS	0.69	0.46	0.00	0.40	Fair	Clear	NONE
8	1991-09-26 09:38	EST	Yes	ADL	USGS	4.56	0.92	-0.01	0.40	Good	Clear	NONE
7	1991-09-26 08:12	EST	Yes	ADL	USGS	5.15	0.96	-0.01	0.40	Good	Clear	NONE
6	1991-09-26 07:12	EST	Yes	ADL	USGS	6.60	0.98	-0.01	0.30	Good	Clear	NONE
5	1991-09-25 07:50	EST	Yes	ADL	USGS	2.57	0.76	0.00	0.40	Good	Clear	NONE
4	1991-03-07 13:55	EST	Yes	FTS/HK	USGS	2.18	1.55	0.00	0.30	Fair		NONE
3	1989-05-16 -- --	--	No
2	1989-05-10 10:35	EST	Yes	FTS/NH	USGS	2.78	1.72	0.02	0.50	Unspecified	Clear	NONE
1	1989-04-06 09:05	EST	Yes	FTS/HK	USGS	2.62	0.73	0.00	0.30	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

1995-03-01 12:45

EST

Yes

RBW

USGS

1.18

0.31

0.00

0.50

Fair

Clear

NONE

1995-01-03 11:20

EST

Yes

RBW

USGS

0.57

0.40

0.00

0.30

Fair

DebrisLight

NONE

1994-11-18 10:19

EST

Yes

USGS

0.40

0.44

0.00

0.30

Poor

DebrisLight

NONE

1994-09-20 10:53

EST

Yes

USGS

0.34

0.32

0.00

0.40

Poor

Unspecifed

NONE

1994-08-01 13:00

EST

Yes

USGS

0.35

0.24

0.00

0.30

Fair

Clear

NONE

1994-06-14 10:10

EST

Yes

RBW

USGS

0.44

0.30

0.00

0.40

Poor

DebrisLight

NONE

1994-05-31 09:40

EST

Yes

RBW

USGS

0.87

0.50

0.00

0.40

Poor

Clear

NONE

1994-04-01 10:22

EST

Yes

USGS

2.17

0.59

0.00

0.40

Fair

Clear

NONE

1994-01-28 15:57

EST

Yes

USGS

44.3

1.71

0.02

0.50

Poor

Clear

NONE

1994-01-28 14:41

EST

Yes

USGS

37.4

1.53

0.20

0.80

Fair

Clear

NONE

1993-12-20 11:21

EST

Yes

USGS

0.83

0.36

0.00

0.50

Good

Clear

NONE

1993-11-01 11:17

EST

Yes

USGS

0.92

0.47

0.00

0.50

Fair

DebrisLight

NONE

1993-09-27 13:46

EST

Yes

USGS

3.09

0.61

0.02

0.50

Fair

Clear

NONE

1993-09-14 11:21

EST

Yes

USGS

0.41

0.21

0.00

0.40

Good

Clear

NONE

1993-08-10 11:15

EST

Yes

USGS

0.35

0.21

0.00

0.30

Fair

Clear

NONE

1993-07-19 11:30

EST

Yes

USGS

0.35

0.22

0.00

0.30

Fair

Clear

NONE

1993-07-15 10:10

EST

Yes

RBW/KM

USGS

0.49

0.26

0.00

0.30

Fair

Clear

NONE

1993-07-12 12:45

EST

Yes

USGS

0.33

0.21

0.00

0.30

Fair

Clear

NONE

1993-06-01 12:12

EST

Yes

USGS

1.88

0.42

-0.01

0.40

Good

Clear

NONE

1993-04-01 13:15

EST

Yes

CES

USGS

19.6

1.25

-0.02

0.50

Fair

Clear

NONE

1993-04-01 12:42

EST

Yes

CES

USGS

21.6

1.27

-0.01

0.50

Fair

Clear

NONE

1993-02-23 12:48

EST

Yes

KMC

USGS

1.13

0.31

0.00

0.50

Good

Clear

NONE

1993-01-21 13:50

EST

Yes

RBW

USGS

1.08

0.33

0.00

0.50

Fair

Clear

NONE

1992-11-23 09:55

EST

Yes

KMC

USGS

17.8

1.27

-0.03

0.40

Poor

Clear

NONE

1992-09-03 12:15

EST

Yes

RBW

USGS

6.07

0.88

-0.04

0.50

Fair

Clear

NONE

1992-09-03 10:50

EST

Yes

RBW

USGS

10.4

1.01

0.02

0.50

Fair

Clear

NONE

1992-08-18 13:44

EST

Yes

CES/DMM

USGS

3.18

0.56

0.00

0.50

Fair

Clear

NONE

1992-08-18 08:19

EST

Yes

CES/DMM

USGS

5.46

0.73

-0.06

0.60

Fair

Clear

NONE

1992-08-18 07:32

EST

Yes

CES/DMM

USGS

6.80

0.78

-0.08

0.60

Good

Clear

NONE

1992-08-17 12:58

EST

Yes

CES

USGS

19.0

1.17

-0.02

0.80

Good

Clear

NONE

1992-08-14 07:45

EST

Yes

RBW

USGS

1.21

0.43

-0.01

0.50

Fair

DebrisLight

NONE

1992-07-27 11:00

EST

Yes

RBW

USGS

0.82

0.34

3.00

0.40

Fair

Clear

NONE

1992-06-01 11:15

EST

Yes

KMC

USGS

0.97

0.37

0.00

0.40

Fair

Clear

NONE

1992-04-14 14:33

EST

Yes

CES

USGS

0.69

0.46

0.00

0.40

Fair

Clear

NONE

1991-09-26 09:38

EST

Yes

ADL

USGS

4.56

0.92

-0.01

0.40

Good

Clear

NONE

1991-09-26 08:12

EST

Yes

ADL

USGS

5.15

0.96

-0.01

0.40

Good

Clear

NONE

1991-09-26 07:12

EST

Yes

ADL

USGS

6.60

0.98

-0.01

0.30

Good

Clear

NONE

1991-09-25 07:50

EST

Yes

ADL

USGS

2.57

0.76

0.00

0.40

Good

Clear

NONE

1991-03-07 13:55

EST

Yes

FTS/HK

USGS

2.18

1.55

0.00

0.30

Fair

NONE

1989-05-16 -- --

1989-05-10 10:35

EST

Yes

FTS/NH

USGS

2.78

1.72

0.02

0.50

Unspecified

Clear

NONE

1989-04-06 09:05

EST

Yes

FTS/HK

USGS

2.62

0.73

0.00

0.30

Fair

Clear

NONE