Available data

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3 data types available - data from 1998-10-01 to 2026-08-07

2 data types available - data from 1951-05-04 to 2026-08-05

2 data types available - data from 1947-06-03 to 2026-07-15

56 Observed properties (data types) available - with data from 1952-11-20 to 1977-08-31

5 Sampling activities

2 data types available - with data from 1947-06-07 to 2024-05-04

1 data types available - data from 1951-05-04 to 2026-08-05

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01652500	n/a
Location name	FOURMILE RUN AT ALEXANDRIA, VA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	38.8433333333333	n/a
Decimal longitude (WGS84)	-77.0858611111111	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 (Differentially-Corrected GPS).	1
District	Virginia	51
State	Virginia	51
County	Arlington County	013
Country	United States of America	n/a
Altitude of gage/land surface	27.66 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.07 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	12.6 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