Available data

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

10 data types available - data from 2007-09-20 to 2026-07-29

7 data types available - data from 2007-09-20 to 2026-07-29

2 data types available - data from 2007-09-27 to 2026-07-02

770 Observed properties (data types) available - with data from 2008-04-21 to 2026-06-09

757 Sampling activities

2 data types available - data from 2007-09-20 to 2026-07-27

Available location images

S F LITTLE DIFFICULT RUN ABOVE MOUTH NR VIENNA

S F LITTLE DIFFICULT RUN ABOVE MOUTH NR VIENNA

Zoom out to see link to My Favorites

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01645762	n/a
Location name	S F LITTLE DIFFICULT RUN ABOVE MOUTH NR VIENNA, VA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	38.9088891571537	n/a
Decimal longitude (WGS84)	-77.3382627208031	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Accurate to + or - .1 sec (Differentially-Corrected GPS).	1
District	Virginia	51
State	Virginia	51
County	Fairfax County	059
Country	United States of America	n/a
Altitude of gage/land surface	275.16 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.14 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Middle Potomac-Catoctin	02070008
Drainage basin		n/a
Date of first construction		n/a
Drainage area	2.71 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