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Available data

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Continuous data

11 data types available - data from 1986-02-15 to 2026-08-18

Daily data

10 data types available - data from 1972-02-01 to 2026-08-18

Field measurements

3 data types available - data from 1971-02-14 to 2026-06-16

Discrete sample data

413 Observed properties (data types) available - with data from 1978-01-30 to 2026-08-03

1509 Sampling activities

Peak measurements

2 data types available - with data from 1972-06-22 to 2021-09-02

Statistical tables for select daily data types

8 data types available - data from 1972-02-01 to 2026-08-18

Important information about this monitoring location

Flow regulated since November 1973 by Marsh Creek Reservoir (station 01480684), about 7.5 mi upstream. Select water-quality data collection discontinued during winter months since the 1981 water year.

Location details and information

Available location images

East Branch Brandywine Creek below Downingtown

East Branch Brandywine Creek below Downingtown, PA

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Operated in cooperation with:

Chester County Water Resources Authority

USGS - Cooperative Matching Funds

USGS - Federal Priority Streamgages

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01480870	n/a
Location name	East Branch Brandywine Creek below Downingtown, PA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	39.9687191196688	n/a
Decimal longitude (WGS84)	-75.6732715198976	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	195 feet	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	10 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Brandywine-Christina	02040205
Drainage basin		n/a
Date of first construction		n/a
Drainage area	89.9 square miles	n/a
Contributing drainage area		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

Monitoring location East Branch Brandywine Creek below Downingtown, PA - USGS-01480870