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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1997-01-29 1997-01-29
Inorganics, Major, Metals Water-quality 1962-08-24 1962-08-24
Inorganics, Major, Non-metals Water-quality 1962-08-24 1997-01-29
Inorganics, Minor, metals Water-quality 1962-08-24 1962-08-24
Nutrient Water-quality 1962-08-24 1962-08-24
Organics, other Water-quality 1962-08-24 1997-01-29
Organics, pesticide Water-quality 1997-01-29 1997-01-29
Physical Daily Values, Unit Values, Water-quality 1959-09-30 1997-01-29
Sediment Water-quality 1978-10-03 1980-03-12
n/a Peak Measurements 1916-07-26 2023-07-04
n/a Site Visits 1961-03-02 2023-12-18
n/a USGS Annual Water Data Reports Site 2006-01-01 2013-01-01
Water Data for the Nation inventory

Monitoring location 01403500 is associated with a Stream in Somerset County, New Jersey. Water data back to 1916 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01403500 n/a
Site name
Green Brook at Plainfield NJ n/a
Site type
Stream
ST
DMS latitude 403654 n/a
DMS longitude 0742554 n/a
Decimal latitude 40.615 n/a
Decimal longitude -74.4316667 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
New Jersey 34
State
New Jersey 34
County
Somerset County 035
Country US n/a
Land net location description North Plainfield Boro n/a
Name of location map Plainfield n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 70.37 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 5 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Raritan 02030105
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNYNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 20060422 n/a
Drainage area
9.75 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files NNNNNNNN 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
Project number n/a