USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 111626182 PILARCITOS C BL SPILLWAY NR HILLSBOROUGH CA

San Mateo County, California

Hydrologic Unit Code 18050006

Latitude 37°32'51.7", Longitude 122°25'15.2" NAD83

Drainage area 4.0 square miles

Gage datum 620 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
36	2024-10-08 10:52	PDT	Yes	MDAVAULT	USGS	1.74	2.45			Fair	DebrisHeavy	NONE
35	2024-08-26 10:32:05	PDT	Yes	MDAVAULT	USGS	0.77	2.30	0.00	0.50	Fair	DebrisHeavy	NONE
34	2024-07-17 11:21:01	PDT	Yes	DAVAULT	USGS	1.57	2.42	-0.01	0.80	Fair	DebrisHeavy	NONE
33	2024-05-30 10:51:05	PDT	Yes	MDAVAULT	USGS	2.21	2.50	0.00	0.40	Fair	DebrisHeavy	NONE
32	2024-04-11 10:05:05	PDT	Yes	MDAVAULT	USGS	1.14	2.42	0.00	0.40	Fair	DebrisHeavy	NONE
31	2024-02-28 10:23:38	PST	Yes	MDAVAULT	USGS	0.44	2.31	0.00	0.40	Fair	DebrisHeavy	NONE
30	2024-01-05 09:41:58	PST	Yes	MDAVAULT/LTA	USGS	2.51	2.68	-0.01	0.50	Fair	DebrisModerate	NONE
29	2023-11-20 10:00:59	PST	Yes	MDAVAULT	USGS	2.68	2.62	0.00	0.60	Fair	DebrisHeavy	NONE
28	2023-10-05 09:29:05	PDT	Yes	MDAVAULT	USGS	2.33	2.56	0.00	0.60	Good	DebrisHeavy	NONE
27	2023-09-08 14:03:06	PDT	Yes	MDAVAULT	USGS	1.01	2.43	0.00	0.50	Fair	DebrisHeavy	NONE
26	2023-08-07 10:03:08	PDT	Yes	MDAVAULT	USGS	1.37	2.50	0.00	0.60	Fair	DebrisHeavy	NONE
25	2023-06-29 10:05:01	PDT	Yes	MDAVAULT	USGS	1.21	2.54	0.00	0.60	Good	DebrisHeavy	NONE
24	2023-05-10 09:59:09	PDT	Yes	MDAVAULT	USGS	6.44	3.00	0.00	0.90	Fair	DebrisModerate	NONE
23	2023-03-27 16:43	PDT	Yes	MDAVAULT/SKE	USGS	52.4	4.10	0.00	0.60	Good	DebrisHeavy	NONE
22	2023-02-09 15:24:50	PST	Yes	MDAVAULT/TAG	USGS	11.5	3.24	0.00	0.60	Poor	DebrisHeavy	NONE
21	2022-12-29 11:46:32	PST	Yes	MDAVAULT	USGS	1.40	2.45	0.00	0.50	Fair	DebrisHeavy	NONE
20	2022-12-27 15:43:07	PST	Yes	MDAVAULT	USGS	1.53	2.49	0.00	0.60	Fair	DebrisHeavy	NONE
19	2022-11-16 15:36:59	PST	Yes	MDAVAULT	USGS	1.59	2.44	0.00	0.80	Poor	DebrisHeavy	NONE
18	2022-10-05 14:43	PDT	Yes	MDAVAULT	USGS	2.60	2.52	0.00	0.80	Fair	DebrisHeavy	NONE
17	2022-08-29 13:03:03	PDT	Yes	MDAVAULT	USGS	2.61	2.51	-0.03	0.80	Fair	DebrisHeavy	NONE
16	2022-07-21 10:45:02	PDT	Yes	MDAVAULT	USGS	3.46	2.52	0.00	0.50	Fair	DebrisHeavy	NONE
15	2022-06-15 12:16:06	PDT	Yes	MDAVAULT	USGS	3.31	2.37	0.00	0.50	Fair	DebrisHeavy	NONE
14	2022-05-06 10:53:01	PDT	Yes	LCANNAR	USGS	1.80	2.11	0.00	0.40	Poor	DebrisHeavy	NONE
13	2022-04-07 16:09:01	PDT	Yes	LCANNAR/SMUL	USGS	0.52	1.90	0.00	0.30	Poor	DebrisModerate	NONE
12	2022-02-28 15:13:11	PST	Yes	LCANNAR/SMUL	USGS	0.08	1.81	0.00	0.30	Poor	DebrisModerate	NONE
11F	2022-02-14 12:57	PST	No
10F	2022-02-02 14:16	PST	No
9F	2022-02-02 11:51	PST	No
8F	2022-02-02 09:50	PST	No
7F	2022-01-10 11:06	PST	No
6F	2021-12-23 17:00	PST	No
5F	2021-12-22 10:04	PST	No
4F	2021-03-01 10:33	PST	No
3F	2018-11-07 08:34	PST	No
2F	2018-01-31 11:18	PST	No
1F	2017-01-09 12:30	PST	No

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

2024-10-08 10:52

PDT

Yes

MDAVAULT

USGS

1.74

2.45

Fair

DebrisHeavy

NONE

2024-08-26 10:32:05

PDT

Yes

MDAVAULT

USGS

0.77

2.30

0.00

0.50

Fair

DebrisHeavy

NONE

2024-07-17 11:21:01

PDT

Yes

DAVAULT

USGS

1.57

2.42

-0.01

0.80

Fair

DebrisHeavy

NONE

2024-05-30 10:51:05

PDT

Yes

MDAVAULT

USGS

2.21

2.50

0.00

0.40

Fair

DebrisHeavy

NONE

2024-04-11 10:05:05

PDT

Yes

MDAVAULT

USGS

1.14

2.42

0.00

0.40

Fair

DebrisHeavy

NONE

2024-02-28 10:23:38

PST

Yes

MDAVAULT

USGS

0.44

2.31

0.00

0.40

Fair

DebrisHeavy

NONE

2024-01-05 09:41:58

PST

Yes

MDAVAULT/LTA

USGS

2.51

2.68

-0.01

0.50

Fair

DebrisModerate

NONE

2023-11-20 10:00:59

PST

Yes

MDAVAULT

USGS

2.68

2.62

0.00

0.60

Fair

DebrisHeavy

NONE

2023-10-05 09:29:05

PDT

Yes

MDAVAULT

USGS

2.33

2.56

0.00

0.60

Good

DebrisHeavy

NONE

2023-09-08 14:03:06

PDT

Yes

MDAVAULT

USGS

1.01

2.43

0.00

0.50

Fair

DebrisHeavy

NONE

2023-08-07 10:03:08

PDT

Yes

MDAVAULT

USGS

1.37

2.50

0.00

0.60

Fair

DebrisHeavy

NONE

2023-06-29 10:05:01

PDT

Yes

MDAVAULT

USGS

1.21

2.54

0.00

0.60

Good

DebrisHeavy

NONE

2023-05-10 09:59:09

PDT

Yes

MDAVAULT

USGS

6.44

3.00

0.00

0.90

Fair

DebrisModerate

NONE

2023-03-27 16:43

PDT

Yes

MDAVAULT/SKE

USGS

52.4

4.10

0.00

0.60

Good

DebrisHeavy

NONE

2023-02-09 15:24:50

PST

Yes

MDAVAULT/TAG

USGS

11.5

3.24

0.00

0.60

Poor

DebrisHeavy

NONE

2022-12-29 11:46:32

PST

Yes

MDAVAULT

USGS

1.40

2.45

0.00

0.50

Fair

DebrisHeavy

NONE

2022-12-27 15:43:07

PST

Yes

MDAVAULT

USGS

1.53

2.49

0.00

0.60

Fair

DebrisHeavy

NONE

2022-11-16 15:36:59

PST

Yes

MDAVAULT

USGS

1.59

2.44

0.00

0.80

Poor

DebrisHeavy

NONE

2022-10-05 14:43

PDT

Yes

MDAVAULT

USGS

2.60

2.52

0.00

0.80

Fair

DebrisHeavy

NONE

2022-08-29 13:03:03

PDT

Yes

MDAVAULT

USGS

2.61

2.51

-0.03

0.80

Fair

DebrisHeavy

NONE

2022-07-21 10:45:02

PDT

Yes

MDAVAULT

USGS

3.46

2.52

0.00

0.50

Fair

DebrisHeavy

NONE

2022-06-15 12:16:06

PDT

Yes

MDAVAULT

USGS

3.31

2.37

0.00

0.50

Fair

DebrisHeavy

NONE

2022-05-06 10:53:01

PDT

Yes

LCANNAR

USGS

1.80

2.11

0.00

0.40

Poor

DebrisHeavy

NONE

2022-04-07 16:09:01

PDT

Yes

LCANNAR/SMUL

USGS

0.52

1.90

0.00

0.30

Poor

DebrisModerate

NONE

2022-02-28 15:13:11

PST

Yes

LCANNAR/SMUL

USGS

0.08

1.81

0.00

0.30

Poor

DebrisModerate

NONE

11F

2022-02-14 12:57

PST

10F

2022-02-02 14:16

PST

2022-02-02 11:51

PST

2022-02-02 09:50

PST

2022-01-10 11:06

PST

2021-12-23 17:00

PST

2021-12-22 10:04

PST

2021-03-01 10:33

PST

2018-11-07 08:34

PST

2018-01-31 11:18

PST

2017-01-09 12:30

PST