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Scheduled Maintenance Notice
USGS will be performing maintenance on the time series data processing system beginning at 09:00 EDT on September 10, 2026. During this period, delivery of the latest time series data will be delayed. The maintenance is expected to finish within 2 hours, after which all backlogged time series data will be processed and delivered to WDFN web portals and APIs.

Available data

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

6 data types available - data from 1991-10-01 to 2026-09-09

3 data types available - data from 1941-01-01 to 2026-09-07

2 data types available - data from 1940-12-28 to 2026-06-23

441 Observed properties (data types) available - with data from 1968-07-02 to 2026-03-24

298 Sampling activities

2 data types available - with data from 1941-06-04 to 2025-05-31

3 data types available - data from 1941-01-01 to 2026-09-07

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	03072000	n/a
Location name	Dunkard Creek at Shannopin, PA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	39.7592449323831	n/a
Decimal longitude (WGS84)	-79.9706152008925	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	Greene County	059
Country	United States of America	n/a
Altitude of gage/land surface	808.8 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.2 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Lower Monongahela	05020005
Drainage basin		n/a
Date of first construction		n/a
Drainage area	229 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