USGS Surface Water for USA: Streamflow Measurements

USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
Full News

Streamflow Measurements for the Nation

USGS 08180942 Laurel Canyon Ck nr Helotes, TX

Bexar County, Texas

Hydrologic Unit Code 12100302

Latitude 29°33'41.00", Longitude 98°45'16.80" NAD83

Drainage area 0.60 square miles

Contributing drainage area 0.60 square miles

Gage datum 1,045 feet above NGVD29

**Output formats**
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format

Output formats

HTML table with channel data

HTML table without channel data

Tab-separated data with channel data

Tab-separated data without channel data

Graph of data

Reselect output format

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
38	2011-01-14 09:50	CST	Yes	RNS	USGS	0.00	2.59			Unspecified		NONE
36	2010-11-17 10:00	CST	Yes	RNS/VAM	USGS	0.00	2.61			Unspecified	Clear	NONE
35	2010-10-01 12:00	CDT	Yes	RNS	USGS	0.00	2.60			Unspecified		NONE
34	2010-02-10 14:20	CST	Yes	RNS	USGS	0.00	2.81		0.20	Unspecified	Unspecifed	NONE
33	2009-10-21 11:40	CDT	Yes	RNS	USGS	0.00	2.61	0.00	0.30	Unspecified	Clear	NONE
32	2009-10-01 08:00	CDT	Yes	RNS	USGS	0.00	2.61			Unspecified		NONE
31	2008-12-03 13:22:30	CST	Yes	RNS	USGS	0.00	2.62	0.00	0.60	Unspecified	Clear	NONE
30	2008-05-29 13:35	CDT	Yes	RNS	USGS	0.00	2.62			Unspecified		NONE
29	2008-04-22 11:15	CDT	Yes	RNS	USGS	0.00	2.70			Unspecified		NONE
28	2008-02-06 14:20	CST	Yes	RNS	USGS	0.00	2.62			Unspecified		NONE
27	2007-12-21 10:25	CST	Yes	RNS	USGS	0.00	2.62			Unspecified	Clear	NONE
26	2007-10-15 13:05	CDT	Yes	RNS	USGS	0.00	2.62			Unspecified		NONE
25	2007-08-13 14:50	CDT	Yes	RNS	USGS	0.00	2.62			Unspecified	Clear	NONE
24	2007-06-28 15:08	CDT	Yes	RNS	USGS	16.5	4.22	-0.13	0.50	Fair	Unspecifed	NONE
23	2007-06-28 14:35	CDT	Yes	RNS	USGS	23.2	4.35	-0.12	0.50	Fair	Unspecifed	NONE
22	2007-06-28 14:05	CDT	Yes	RNS	USGS	30.6	4.46	-0.10	0.40	Fair	Unspecifed	NONE
21	2007-06-28 13:35	CDT	Yes	RNS	USGS	37.6	4.58	-0.17	0.60	Fair	Unspecifed	NONE
20	2007-06-28 13:05	CDT	Yes	RNS	USGS	48.9	4.75	-0.20	0.40	Fair	Unspecifed	NONE
19	2007-06-28 11:05	CDT	Yes	RNS	USGS	133	5.45	0.69	0.50	Fair	Unspecifed	NONE
18	2007-04-23 11:45	CDT	Yes	RNS	USGS	0.00	2.62			Unspecified	Clear	NONE
17	2007-02-20 11:00	CST	Yes	RNS	USGS	0.00	2.62			Unspecified	Clear	NONE
16	2007-01-30 10:30	CST	Yes	RNS	USGS	0.00	2.77			Unspecified	Clear	NONE
15	2006-12-15 10:05	CST	Yes	RNS	USGS	0.00	2.62			Unspecified	Clear	NONE
14	2006-11-17 11:00	CST	Yes	RNS/DET	USGS	0.00	2.62			Unspecified	Clear	NONE
13	2004-06-30 10:18	CDT	Yes	KCM	USGS	0.10	3.69	-0.07	1.00	Fair	Clear	NONE
12	2004-06-30 10:01	CDT	Yes	KCM	USGS	0.09	3.70	-0.07	1.00	Fair	Clear	NONE
11	2004-06-30 09:52	CDT	Yes	KCM	USGS	0.12	3.71	-0.07	1.00	Fair	Clear	NONE
10	2004-06-29 19:56	CDT	Yes	KCM	USGS	3.17	3.91	-0.04	1.00	Fair	Clear	NONE
9	2004-06-29 19:47	CDT	Yes	KCM	USGS	3.53	3.94	-0.04	1.00	Fair	Clear	NONE
8	2004-06-29 19:32	CDT	Yes	KCM	USGS	4.04	3.95	-0.07	1.00	Fair	Clear	NONE
7	2004-06-29 19:14	CDT	Yes	KCM	USGS	4.74	3.95	-0.07	1.00	Fair	Clear	NONE
6	2004-06-29 19:01	CDT	Yes	KCM	USGS	5.52	3.98	-0.07	1.00	Fair	Clear	NONE
5	2004-06-29 18:39	CDT	Yes	KCM	USGS	7.02	4.01	-0.12	1.00	Fair	Clear	NONE
4	2004-06-29 18:28	CDT	Yes	KCM	USGS	7.38	4.03	-0.12	1.00	Fair	Clear	NONE
3	2004-06-29 18:14	CDT	Yes	KCM	USGS	8.05	4.04	-0.12	1.00	Fair	Clear	NONE
2	2004-06-29 18:01	CDT	Yes	KCM	USGS	9.41	4.09	-0.12	1.00	Fair	Clear	NONE
1	2004-06-29 17:40	CDT	Yes	KCM	USGS	10.8	4.13	-0.12	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

2011-01-14 09:50

CST

Yes

RNS

USGS

0.00

2.59

Unspecified

NONE

2010-11-17 10:00

CST

Yes

RNS/VAM

USGS

0.00

2.61

Unspecified

Clear

NONE

2010-10-01 12:00

CDT

Yes

RNS

USGS

0.00

2.60

Unspecified

NONE

2010-02-10 14:20

CST

Yes

RNS

USGS

0.00

2.81

0.20

Unspecified

Unspecifed

NONE

2009-10-21 11:40

CDT

Yes

RNS

USGS

0.00

2.61

0.00

0.30

Unspecified

Clear

NONE

2009-10-01 08:00

CDT

Yes

RNS

USGS

0.00

2.61

Unspecified

NONE

2008-12-03 13:22:30

CST

Yes

RNS

USGS

0.00

2.62

0.00

0.60

Unspecified

Clear

NONE

2008-05-29 13:35

CDT

Yes

RNS

USGS

0.00

2.62

Unspecified

NONE

2008-04-22 11:15

CDT

Yes

RNS

USGS

0.00

2.70

Unspecified

NONE

2008-02-06 14:20

CST

Yes

RNS

USGS

0.00

2.62

Unspecified

NONE

2007-12-21 10:25

CST

Yes

RNS

USGS

0.00

2.62

Unspecified

Clear

NONE

2007-10-15 13:05

CDT

Yes

RNS

USGS

0.00

2.62

Unspecified

NONE

2007-08-13 14:50

CDT

Yes

RNS

USGS

0.00

2.62

Unspecified

Clear

NONE

2007-06-28 15:08

CDT

Yes

RNS

USGS

16.5

4.22

-0.13

0.50

Fair

Unspecifed

NONE

2007-06-28 14:35

CDT

Yes

RNS

USGS

23.2

4.35

-0.12

0.50

Fair

Unspecifed

NONE

2007-06-28 14:05

CDT

Yes

RNS

USGS

30.6

4.46

-0.10

0.40

Fair

Unspecifed

NONE

2007-06-28 13:35

CDT

Yes

RNS

USGS

37.6

4.58

-0.17

0.60

Fair

Unspecifed

NONE

2007-06-28 13:05

CDT

Yes

RNS

USGS

48.9

4.75

-0.20

0.40

Fair

Unspecifed

NONE

2007-06-28 11:05

CDT

Yes

RNS

USGS

133

5.45

0.69

0.50

Fair

Unspecifed

NONE

2007-04-23 11:45

CDT

Yes

RNS

USGS

0.00

2.62

Unspecified

Clear

NONE

2007-02-20 11:00

CST

Yes

RNS

USGS

0.00

2.62

Unspecified

Clear

NONE

2007-01-30 10:30

CST

Yes

RNS

USGS

0.00

2.77

Unspecified

Clear

NONE

2006-12-15 10:05

CST

Yes

RNS

USGS

0.00

2.62

Unspecified

Clear

NONE

2006-11-17 11:00

CST

Yes

RNS/DET

USGS

0.00

2.62

Unspecified

Clear

NONE

2004-06-30 10:18

CDT

Yes

KCM

USGS

0.10

3.69

-0.07

1.00

Fair

Clear

NONE

2004-06-30 10:01

CDT

Yes

KCM

USGS

0.09

3.70

-0.07

1.00

Fair

Clear

NONE

2004-06-30 09:52

CDT

Yes

KCM

USGS

0.12

3.71

-0.07

1.00

Fair

Clear

NONE

2004-06-29 19:56

CDT

Yes

KCM

USGS

3.17

3.91

-0.04

1.00

Fair

Clear

NONE

2004-06-29 19:47

CDT

Yes

KCM

USGS

3.53

3.94

-0.04

1.00

Fair

Clear

NONE

2004-06-29 19:32

CDT

Yes

KCM

USGS

4.04

3.95

-0.07

1.00

Fair

Clear

NONE

2004-06-29 19:14

CDT

Yes

KCM

USGS

4.74

3.95

-0.07

1.00

Fair

Clear

NONE

2004-06-29 19:01

CDT

Yes

KCM

USGS

5.52

3.98

-0.07

1.00

Fair

Clear

NONE

2004-06-29 18:39

CDT

Yes

KCM

USGS

7.02

4.01

-0.12

1.00

Fair

Clear

NONE

2004-06-29 18:28

CDT

Yes

KCM

USGS

7.38

4.03

-0.12

1.00

Fair

Clear

NONE

2004-06-29 18:14

CDT

Yes

KCM

USGS

8.05

4.04

-0.12

1.00

Fair

Clear

NONE

2004-06-29 18:01

CDT

Yes

KCM

USGS

9.41

4.09

-0.12

1.00

Fair

Clear

NONE

2004-06-29 17:40

CDT

Yes

KCM

USGS

10.8

4.13

-0.12

1.00

Fair

Clear

NONE