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Continuous data

7 data types available - data from 2021-09-29 to 2026-08-09

Daily data

6 data types available - data from 2021-09-29 to 2026-08-09

Field measurements

2 data types available - data from 2021-10-07 to 2026-06-16

Discrete sample data

69 Observed properties (data types) available - with data from 2021-11-29 to 2026-07-07

88 Sampling activities

Peak measurements

2 data types available - with data from 2022-12-23 to 2024-05-26

Statistical tables for select daily data types

1 data types available - data from 2022-10-14 to 2026-08-07

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Location details and information

Available location images

Long Branch at Olley Lane near Fairfax

Long Branch at Olley Lane near Fairfax, VA - Stream restoration progress camera located 100 feet upstream of gage near pedestrian bridge and Long Branch Trailhead.

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Fairfax County, VA

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01654107	n/a
Location name	LONG BRANCH AT OLLEY LANE NR FAIRFAX, VA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	38.824600000000004	n/a
Decimal longitude (WGS84)	-77.2667	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	Fairfax County	059
Country	United States of America	n/a
Altitude of gage/land surface	293.63 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.12 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	1.19 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 Long Branch at Olley Lane NR Fairfax, VA - USGS-01654107