USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 50027250 RIO GDE. DE ARECIBO BLW LAGO DOS BOCAS NR FLORIDA

Arecibo Municipio, Puerto Rico

Hydrologic Unit Code 21010002

Latitude 18°20'50", Longitude 66°40'02" NAD27

Drainage area 169.0 square miles

Contributing drainage area 162.9 square miles

Gage datum 131.23 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)	Meas. Duration (hr)	Meas. Rated	Control	Flow Adjust. Code
14	2002-10-22 07:15	AST	Yes	JRS	USGS	30.5	4.54	0.60	Fair		NONE
13	2002-03-11 12:30	AST	Yes	MAR	USGS	29.3	4.55	0.50	Fair		NONE
12	2002-01-31 08:50	AST	Yes	NP	USGS	32.5	4.60	0.70	Fair	Clear	NONE
11	2001-09-19 09:54	AST	Yes	NP	USGS	33.4	4.59	0.60	Fair	Clear	NONE
10	2001-06-28 07:04	AST	Yes	NP	USGS	30.4	4.57	0.70	Fair	Clear	NONE
9	2001-04-17 13:20	AST	Yes	JT /NP	USGS	27.6	4.55	0.50	Fair	Clear	NONE
8	2001-03-13 10:55	AST	Yes	NP	USGS	28.8	4.54	0.60	Fair	Clear	NONE
7	2001-02-27 10:34	AST	Yes	MAR	USGS	73.0	4.84	0.50	Fair	Clear	NONE
6	2001-02-12 10:41	AST	Yes	NP	USGS	32.7	4.60	1.00	Fair	Clear	NONE
5	2001-01-03 10:40	AST	Yes	NP	USGS	27.3	4.52	0.60	Fair	Clear	NONE
4	2000-12-12 10:31	AST	Yes	NP	USGS	29.3	4.55	0.60	Fair	Clear	NONE
3	2000-08-01 10:45	AST	Yes	wgg/NP	USGS	40.6	4.80		Fair	Clear	NONE
2	2000-07-24 11:25	AST	Yes	CL /NP	USGS	24.5	4.54	0.50	Fair	Clear	NONE
1	2000-06-14 12:44	AST	Yes	WGG/MW	USGS	22.5	4.58	0.90	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

2002-10-22 07:15

AST

Yes

JRS

USGS

30.5

4.54

0.00

0.60

Fair

NONE

2002-03-11 12:30

AST

Yes

MAR

USGS

29.3

4.55

0.00

0.50

Fair

NONE

2002-01-31 08:50

AST

Yes

USGS

32.5

4.60

0.00

0.70

Fair

Clear

NONE

2001-09-19 09:54

AST

Yes

USGS

33.4

4.59

0.00

0.60

Fair

Clear

NONE

2001-06-28 07:04

AST

Yes

USGS

30.4

4.57

0.00

0.70

Fair

Clear

NONE

2001-04-17 13:20

AST

Yes

JT /NP

USGS

27.6

4.55

0.00

0.50

Fair

Clear

NONE

2001-03-13 10:55

AST

Yes

USGS

28.8

4.54

0.00

0.60

Fair

Clear

NONE

2001-02-27 10:34

AST

Yes

MAR

USGS

73.0

4.84

0.00

0.50

Fair

Clear

NONE

2001-02-12 10:41

AST

Yes

USGS

32.7

4.60

0.00

1.00

Fair

Clear

NONE

2001-01-03 10:40

AST

Yes

USGS

27.3

4.52

0.00

0.60

Fair

Clear

NONE

2000-12-12 10:31

AST

Yes

USGS

29.3

4.55

0.00

0.60

Fair

Clear

NONE

2000-08-01 10:45

AST

Yes

wgg/NP

USGS

40.6

4.80

0.00

Fair

Clear

NONE

2000-07-24 11:25

AST

Yes

CL /NP

USGS

24.5

4.54

0.00

0.50

Fair

Clear

NONE

2000-06-14 12:44

AST

Yes

WGG/MW

USGS

22.5

4.58

0.00

0.90

Fair

Clear

NONE