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2 data types available - data from 2008-03-27 to 2024-10-15

495 Observed properties (data types) available - with data from 2008-04-24 to 2026-07-07

221 Sampling activities

2 data types available - with data from 2008-09-06 to 2011-09-08

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	0165694286	n/a
Location name	BIG ROCKY RUN AT STRINGFELLOW RD NR CHANTILLY, VA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	38.8681666666667	n/a
Decimal longitude (WGS84)	-77.4077777777778	n/a
Latitude-longitude method	Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)	G
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Virginia	51
State	Virginia	51
County	Fairfax County	059
Country	United States of America	n/a
Altitude of gage/land surface	297.8 feet	n/a
Method altitude determined	Global Positioning System.	G
Altitude accuracy	0.1 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Middle Potomac-Anacostia-Occoquan	02070010
Drainage basin		n/a
Date of first construction		n/a
Drainage area	3.4 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 Big Rocky Run at Stringfellow RD NR Chantilly, VA - USGS-0165694286