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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 1989-10-27 1989-10-27
Inorganics, Major, Metals Water-quality 1989-10-27 1989-10-27
Inorganics, Major, Non-metals Water-quality 1989-10-27 1989-10-27
Inorganics, Minor, Non-metals Water-quality 1989-10-27 1989-10-27
Inorganics, Minor, metals Water-quality 1989-10-27 1989-10-27
Nutrient Water-quality 1989-10-27 1989-10-27
Organics, other Water-quality 1989-10-27 1989-10-27
Physical Groundwater Levels, Water-quality 1984-08-29 1989-10-27
Radiochemistry Water-quality 1989-10-27 1989-10-27
Water Data for the Nation inventory

Monitoring location 402302074411001 is associated with a Well in Somerset County, New Jersey. Water data back to 1984 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
402302074411001 n/a
Site name
350062-- Dom n/a
Site type
Well
GW
DMS latitude 402302 n/a
DMS longitude 0744110 n/a
Decimal latitude 40.3839951 n/a
Decimal longitude -74.6857149 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
Somerset County 035
Country US n/a
Land net location description Montgomery Township n/a
Name of location map Rocky Hill n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 250 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 10 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
19840829 n/a
Date site established or inventoried 19891027 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 YYYYNYNN n/a
National aquifer Early Mesozoic basin aquifers N300ERLMZC
Local aquifer Lockatong Formation 231LCKG
Local aquifer type
Mixed (confined and unconfined) multiple aquifers X
Well depth 225 feet n/a
Hole depth
225 feet n/a
Source of depth data D n/a
Project number n/a