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 01476450 Ridley Creek at Rt 3 near Willistown, PA

Chester County, Pennsylvania

Hydrologic Unit Code 02040202

Latitude 39°58'01", Longitude 75°28'58" NAD83

Drainage area 13.9 square miles

Gage datum 225 feet above NGVD29

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Meas. Number	Date Time	Time Datum	Measurement Used?	Who	Measuring Agency	Stream flow (ft³/s)	Meas. Duration (hr)	Meas. Rated	Control	Flow Adjust. Code
24	2023-10-25 12:01	EDT	Yes	VJR / LEO	USGS	9.07		Poor		unkn
23	2022-11-09 12:16	EST	Yes	leo	USGS	10.5		Fair		unkn
22	2021-10-20 12:48	EDT	Yes	LEO	USGS	10.8		Good	Clear	unkn
21	2020-11-10 13:35:30	EST	Yes	AGR	USGS	12.8		Fair		unkn
20	2019-10-30 10:05	EDT	Yes	AGR	USGS	14.7		Fair	VegetationLight	unkn
19	2018-10-22 11:26	EDT	Yes	AGR	USGS	18.9		Fair	VegetationLight	unkn
18	2017-10-26 08:49	EDT	Yes	agr	USGS	7.25		Good	Clear	unkn
17	2016-10-24 11:47	EDT	Yes	PKA	USGS	6.17	0.50	Fair	DebrisLight	unkn
16	2015-10-20 13:19	EDT	Yes	PKA	USGS	7.10	0.50	Poor	DebrisLight	unkn
15	2014-10-06 12:00	EDT	Yes	AGR	USGS	6.40		Fair	DebrisLight	unkn
14	2013-10-21 15:00	EDT	Yes	AGR	USGS	11.3		Good	VegetationLight	unkn
13	2012-10-11 -- --	--	Yes	AGR	USGS	9.44		Good	DebrisLight	unkn
12	2011-10-18 12:30	EDT	Yes	AGR	USGS	21.6		Good	DebrisLight	unkn
11	2010-10-18 13:00	EDT	Yes	AGR	USGS	13.5		Fair	Clear	unkn
10	2009-10-05 15:00	EDT	Yes	AGR	USGS	13.0		Fair	DebrisLight	unkn
9	2008-10-15 13:23:06	EDT	Yes	AGR	USGS	6.91		Good	Clear	unkn
8	2007-10-03 13:20	EDT	Yes	AGR	USGS	5.30		Good	VegetationLight	unkn
7	2006-10-16 13:50	EDT	Yes	AGR	USGS	11.3		Fair	VegetationLight	unkn
6	2005-10-17 12:35	EDT	Yes	AGR	USGS	10.6		Good	DebrisLight	unkn
5	2004-10-08 10:30	EDT	Yes	AGR	USGS	24.6		Good	Clear	unkn
4	2003-10-06 11:05	EDT	Yes	AGR	USGS	17.8		Fair	Clear	unkn
3	2002-10-07 11:45	EDT	Yes	leo/agr	USGS	4.07		Good	DebrisLight	unkn
2	2002-08-01 11:30	EDT	Yes	AGR	USGS	2.78		Good	Clear	unkn
1	2001-10-11 12:10	EDT	Yes	moh/agr	USGS	4.73		Good		unkn

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

2023-10-25 12:01

EDT

Yes

VJR / LEO

USGS

9.07

Poor

unkn

2022-11-09 12:16

EST

Yes

leo

USGS

10.5

Fair

unkn

2021-10-20 12:48

EDT

Yes

LEO

USGS

10.8

Good

Clear

unkn

2020-11-10 13:35:30

EST

Yes

AGR

USGS

12.8

Fair

unkn

2019-10-30 10:05

EDT

Yes

AGR

USGS

14.7

Fair

VegetationLight

unkn

2018-10-22 11:26

EDT

Yes

AGR

USGS

18.9

Fair

VegetationLight

unkn

2017-10-26 08:49

EDT

Yes

agr

USGS

7.25

Good

Clear

unkn

2016-10-24 11:47

EDT

Yes

PKA

USGS

6.17

0.50

Fair

DebrisLight

unkn

2015-10-20 13:19

EDT

Yes

PKA

USGS

7.10

0.50

Poor

DebrisLight

unkn

2014-10-06 12:00

EDT

Yes

AGR

USGS

6.40

Fair

DebrisLight

unkn

2013-10-21 15:00

EDT

Yes

AGR

USGS

11.3

Good

VegetationLight

unkn

2012-10-11 -- --

Yes

AGR

USGS

9.44

Good

DebrisLight

unkn

2011-10-18 12:30

EDT

Yes

AGR

USGS

21.6

Good

DebrisLight

unkn

2010-10-18 13:00

EDT

Yes

AGR

USGS

13.5

Fair

Clear

unkn

2009-10-05 15:00

EDT

Yes

AGR

USGS

13.0

Fair

DebrisLight

unkn

2008-10-15 13:23:06

EDT

Yes

AGR

USGS

6.91

Good

Clear

unkn

2007-10-03 13:20

EDT

Yes

AGR

USGS

5.30

Good

VegetationLight

unkn

2006-10-16 13:50

EDT

Yes

AGR

USGS

11.3

Fair

VegetationLight

unkn

2005-10-17 12:35

EDT

Yes

AGR

USGS

10.6

Good

DebrisLight

unkn

2004-10-08 10:30

EDT

Yes

AGR

USGS

24.6

Good

Clear

unkn

2003-10-06 11:05

EDT

Yes

AGR

USGS

17.8

Fair

Clear

unkn

2002-10-07 11:45

EDT

Yes

leo/agr

USGS

4.07

Good

DebrisLight

unkn

2002-08-01 11:30

EDT

Yes

AGR

USGS

2.78

Good

Clear

unkn

2001-10-11 12:10

EDT

Yes

moh/agr

USGS

4.73

Good

unkn

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

Page Contact Information: Pennsylvania Water Data Support Team
Page Last Modified: 2024-11-22 13:08:46 EST
0.31 0.26 staging