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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 1997-06-23 2018-06-15
Organics, other Water-quality 2016-06-16 2018-06-15
Organics, pesticide Water-quality 2016-06-16 2018-06-15
Physical Groundwater Levels 1992-06-02 2023-05-31
Radiochemistry Water-quality 1997-06-23 1999-05-18
n/a USGS Active Groundwater Level Network Site 1992-01-01 2021-01-01
Water Data for the Nation inventory

Monitoring location 401606074484502 is associated with a Well in Mercer County, New Jersey. Water data back to 1992 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
401606074484502 n/a
Site name
210530-- MW-4Br n/a
Site type
Well
GW
DMS latitude 401606.76 n/a
DMS longitude 0744843.99 n/a
Decimal latitude 40.26854444 n/a
Decimal longitude -74.8122194 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS). 1
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
Mercer County 021
Country US n/a
Land net location description Ewing Township n/a
Name of location map Pennington n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 149.95 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .01 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Middle Delaware-Musconetcong 02040105
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19920602 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 YYNYNYNN n/a
National aquifer Early Mesozoic basin aquifers N300ERLMZC
Local aquifer Lockatong Formation 231LCKG
Local aquifer type
n/a
Well depth 39 feet n/a
Hole depth
39 feet n/a
Source of depth data D n/a
Project number NAWC n/a