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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 Inventory Page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1957-09-09 1958-07-24
Inorganics, Major, Non-metals Water-quality 1957-09-09 1958-07-24
Physical Groundwater Levels 1960-01-07 1960-01-07
Water Data for the Nation inventory

Monitoring location 402239074254001 is associated with a Well in Middlesex County, New Jersey. Water data back to 1957 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
402239074254001 n/a
Site name
230095-- 4-1960 (Old#1) n/a
Site type
Well
GW
DMS latitude 402239 n/a
DMS longitude 0742540 n/a
Decimal latitude 40.3776074 n/a
Decimal longitude -74.4273731 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 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
New Jersey 34
State
New Jersey 34
County
Middlesex County 023
Country US n/a
Land net location description Helmetta Borough n/a
Name of location map New Brunswick n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 40.00 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 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
1960 n/a
Date site established or inventoried n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files YYYNNYNN n/a
National aquifer Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Old Bridge Sand Member of Magothy Formation 211ODBG
Local aquifer type
n/a
Well depth 39.0 feet n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a