Available data

Select data types to graph from categories based on the way the data were collected.

11 data types available - data from 1990-10-31 to 2026-08-08

9 data types available - data from 1982-10-01 to 2026-08-08

3 data types available - data from 1982-10-15 to 2026-07-07

126 Observed properties (data types) available - with data from 1984-08-22 to 2025-11-18

1633 Sampling activities

2 data types available - with data from 1983-03-21 to 2022-09-06

7 data types available - data from 1982-10-01 to 2026-08-08

Intermittent pumpage from quarry upstream.

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01473169	n/a
Location name	Valley Creek at PA Turnpike Br near Valley Forge	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.0792736651592	n/a
Decimal longitude (WGS84)	-75.4607480803272	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Pennsylvania	42
State	Pennsylvania	42
County	Chester County	029
Country	United States of America	n/a
Altitude of gage/land surface	108.62 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.1 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Schuylkill	02040203
Drainage basin		n/a
Date of first construction		n/a
Drainage area	20.8 square miles	n/a
Contributing drainage area	20.8 square miles	n/a
Time zone abbreviation	EST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a