Available data

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

2 data types available - data from 1981-05-01 to 2026-08-07

1 data types available - data from 1979-06-21 to 2026-08-06

2 data types available - data from 1979-05-24 to 2026-06-08

5 Observed properties (data types) available - with data from 1979-08-13 to 1979-12-20

3 Sampling activities

2 data types available - with data from 1980-03-21 to 2023-07-09

1 data types available - data from 1979-06-21 to 2026-08-06

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01403150	n/a
Location name	West Branch Middle Brook near Martinsville NJ	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.6122222222222	n/a
Decimal longitude (WGS84)	-74.5908333333333	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	New Jersey	34
State	New Jersey	34
County	Somerset County	035
Country	United States of America	n/a
Altitude of gage/land surface	240.48 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.01 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Raritan	02030105
Drainage basin		n/a
Date of first construction		n/a
Drainage area	1.99 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