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 08059300 Pilot Grove Ck nr Blue Ridge, TX

Collin County, Texas

Hydrologic Unit Code 12030106

Latitude 33°15'13", Longitude 96°24'44" NAD27

Drainage area 80.2 square miles

Contributing drainage area 80.2 square miles

Gage datum 510 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
27	1999-07-19 12:22	CDT	Yes	dvt	USGS	0.03	9.08	0.00	1.00	Good	DebrisLight	NONE
26	1999-06-02 16:05	CDT	Yes	dvt	USGS	50.4	7.18	-0.03	1.00	Good	DebrisModerate	NONE
25	1999-03-03 13:13	CST	Yes	dvt	USGS	12.6	7.92	-0.01	1.00	Unspecified	DebrisModerate	NONE
24	1998-05-05 11:20	CDT	Yes	DVT	USGS	13.5	7.89	0.00	1.00	Fair	DebrisHeavy	NONE
23	1998-04-16 16:45	CDT	Yes	DVT	USGS	22.4	7.44	0.00	1.00	Good	DebrisHeavy	NONE
22	1998-02-20 13:43	CST	Yes	DVT	USGS	57.7	6.18	-0.01	1.00	Good	DebrisModerate	NONE
21	1997-12-17 14:21	CST	Yes	DVT	USGS	10.3	8.09	0.02	1.00	Good	DebrisModerate	NONE
20	1997-07-01 11:21	CDT	Yes	DVT	USGS	4.07	8.60	0.00	1.00	Good	DebrisHeavy	NONE
19	1997-05-07 13:56	CDT	Yes	DVT	USGS	35.1	7.40	0.00	1.00	Good	DebrisHeavy	NONE
18	1997-04-09 15:21	CDT	Yes	DVT	USGS	131	4.88	-0.02	1.00	Good	DebrisLight	NONE
17	1997-01-22 13:25	CST	Yes	DVT	USGS	26.8	7.30	0.00	1.00	Good	DebrisModerate	NONE
16	1996-12-17 11:45	CST	Yes	DVT	USGS	75.8	6.08	-0.01	1.00	Good	DebrisLight	NONE
15	1996-10-10 13:07	CDT	Yes	DVT	USGS	2.14	8.61	0.00	1.00	Good	DebrisHeavy	NONE
14	1996-08-28 15:35	CDT	Yes	DVT	USGS	0.30	8.75	0.00	1.00	Good	DebrisHeavy	NONE
13	1996-08-13 13:58	CDT	Yes	DVT	USGS	14.2	7.82	0.05	1.00	Good	DebrisHeavy	NONE
12	1996-05-01 15:26	CDT	Yes	DVT	USGS	2.48	8.15	0.00	1.00	Good	DebrisModerate	NONE
11	1996-04-10 14:57	CDT	Yes	DVT	USGS	5.85	8.16	-0.01	1.00	Good	DebrisHeavy	NONE
10	1996-03-20 12:40	CST	Yes	DVT	USGS	4.79	7.64	0.00	1.00	Good	DebrisModerate	NONE
9	1996-02-08 12:45	CST	Yes	DVT	USGS	2.24	18.00	0.00	1.00	Fair	DebrisHeavy	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

1999-07-19 12:22

CDT

Yes

dvt

USGS

0.03

9.08

0.00

1.00

Good

DebrisLight

NONE

1999-06-02 16:05

CDT

Yes

dvt

USGS

50.4

7.18

-0.03

1.00

Good

DebrisModerate

NONE

1999-03-03 13:13

CST

Yes

dvt

USGS

12.6

7.92

-0.01

1.00

Unspecified

DebrisModerate

NONE

1998-05-05 11:20

CDT

Yes

DVT

USGS

13.5

7.89

0.00

1.00

Fair

DebrisHeavy

NONE

1998-04-16 16:45

CDT

Yes

DVT

USGS

22.4

7.44

0.00

1.00

Good

DebrisHeavy

NONE

1998-02-20 13:43

CST

Yes

DVT

USGS

57.7

6.18

-0.01

1.00

Good

DebrisModerate

NONE

1997-12-17 14:21

CST

Yes

DVT

USGS

10.3

8.09

0.02

1.00

Good

DebrisModerate

NONE

1997-07-01 11:21

CDT

Yes

DVT

USGS

4.07

8.60

0.00

1.00

Good

DebrisHeavy

NONE

1997-05-07 13:56

CDT

Yes

DVT

USGS

35.1

7.40

0.00

1.00

Good

DebrisHeavy

NONE

1997-04-09 15:21

CDT

Yes

DVT

USGS

131

4.88

-0.02

1.00

Good

DebrisLight

NONE

1997-01-22 13:25

CST

Yes

DVT

USGS

26.8

7.30

0.00

1.00

Good

DebrisModerate

NONE

1996-12-17 11:45

CST

Yes

DVT

USGS

75.8

6.08

-0.01

1.00

Good

DebrisLight

NONE

1996-10-10 13:07

CDT

Yes

DVT

USGS

2.14

8.61

0.00

1.00

Good

DebrisHeavy

NONE

1996-08-28 15:35

CDT

Yes

DVT

USGS

0.30

8.75

0.00

1.00

Good

DebrisHeavy

NONE

1996-08-13 13:58

CDT

Yes

DVT

USGS

14.2

7.82

0.05

1.00

Good

DebrisHeavy

NONE

1996-05-01 15:26

CDT

Yes

DVT

USGS

2.48

8.15

0.00

1.00

Good

DebrisModerate

NONE

1996-04-10 14:57

CDT

Yes

DVT

USGS

5.85

8.16

-0.01

1.00

Good

DebrisHeavy

NONE

1996-03-20 12:40

CST

Yes

DVT

USGS

4.79

7.64

0.00

1.00

Good

DebrisModerate

NONE

1996-02-08 12:45

CST

Yes

DVT

USGS

2.24

18.00

0.00

1.00

Fair

DebrisHeavy

NONE

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Texas Water Data Support Team
Page Last Modified: 2025-12-13 08:25:08 EST
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