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 11022830 ALVARADO C NR LA MESA CA

San Diego County, California

Hydrologic Unit Code 18070304

Latitude 32°46'41.97", Longitude 117°03'48.23" NAD83

Drainage area 10.8 square miles

Gage datum 335.94 feet above NAVD88

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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	2025-02-13 15:26:31	PST	Yes	SPEPIN	USGS	9.61	1.96	-0.03	0.50	Poor	Clear	NONE
14	2025-02-13 10:58:22	PST	Yes	SPEPIN/ZBARR	USGS	43.3	3.01	-0.16	0.25	Poor	Clear	NONE
13	2025-01-30 10:10	PST	Yes	JSteadham	USGS	0.65	1.59			Poor	VegetationHeavy	NONE
12	2025-01-27 10:42:54	PST	Yes	BLI	USGS	5.30	1.87			Poor	DebrisModerate	NONE
11	2025-01-08 14:23:34	PST	Yes	BLI	USGS	0.48	1.57			Poor	DebrisHeavy	NONE
10	2024-12-30 11:13:40	PST	Yes	Jsteadham/Bl	USGS	0.53	1.57	0.00		Fair	VegetationHeavy	NONE
9	2024-12-18 12:57:26	PST	Yes	BLI	USGS	0.37	1.57			Poor	DebrisModerate	NONE
8	2024-12-05 13:15:36	PST	Yes	JSTEADHAM/BL	USGS	0.48	1.57			Poor	DebrisModerate	NONE
7	2024-11-19 12:06:09	PST	Yes	BLI	USGS	0.44	1.58			Poor	DebrisHeavy	NONE
6	2024-11-07 11:30:44	PST	Yes	BLI	USGS	0.57	1.57			Poor	DebrisHeavy	NONE
5	2024-10-16 11:21:09	PDT	Yes	SPEPIN	USGS	5.38	1.77	0.03	0.50	Poor	Clear	NONE
4	2024-10-15 16:37	PDT	Yes	BLI	USGS	0.61	1.64			Poor	DebrisModerate	NONE
3	2024-09-19 12:54:08	PDT	Yes	ZBARRY	USGS	0.49	1.68			Poor	DebrisHeavy	NONE
2	2024-09-06 12:47:04	PDT	Yes	BLI	USGS	0.43	1.65			Poor	DebrisModerate	NONE
1	2024-08-26 13:10:08	PDT	Yes	BLI	USGS	0.44	1.63	0.01	0.50	Poor	VegetationLight	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

2025-02-13 15:26:31

PST

Yes

SPEPIN

USGS

9.61

1.96

-0.03

0.50

Poor

Clear

NONE

2025-02-13 10:58:22

PST

Yes

SPEPIN/ZBARR

USGS

43.3

3.01

-0.16

0.25

Poor

Clear

NONE

2025-01-30 10:10

PST

Yes

JSteadham

USGS

0.65

1.59

Poor

VegetationHeavy

NONE

2025-01-27 10:42:54

PST

Yes

BLI

USGS

5.30

1.87

Poor

DebrisModerate

NONE

2025-01-08 14:23:34

PST

Yes

BLI

USGS

0.48

1.57

Poor

DebrisHeavy

NONE

2024-12-30 11:13:40

PST

Yes

Jsteadham/Bl

USGS

0.53

1.57

0.00

Fair

VegetationHeavy

NONE

2024-12-18 12:57:26

PST

Yes

BLI

USGS

0.37

1.57

Poor

DebrisModerate

NONE

2024-12-05 13:15:36

PST

Yes

JSTEADHAM/BL

USGS

0.48

1.57

Poor

DebrisModerate

NONE

2024-11-19 12:06:09

PST

Yes

BLI

USGS

0.44

1.58

Poor

DebrisHeavy

NONE

2024-11-07 11:30:44

PST

Yes

BLI

USGS

0.57

1.57

Poor

DebrisHeavy

NONE

2024-10-16 11:21:09

PDT

Yes

SPEPIN

USGS

5.38

1.77

0.03

0.50

Poor

Clear

NONE

2024-10-15 16:37

PDT

Yes

BLI

USGS

0.61

1.64

Poor

DebrisModerate

NONE

2024-09-19 12:54:08

PDT

Yes

ZBARRY

USGS

0.49

1.68

Poor

DebrisHeavy

NONE

2024-09-06 12:47:04

PDT

Yes

BLI

USGS

0.43

1.65

Poor

DebrisModerate

NONE

2024-08-26 13:10:08

PDT

Yes

BLI

USGS

0.44

1.63

0.01

0.50

Poor

VegetationLight

NONE