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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
Physical Groundwater Levels 1987-08-25 2023-10-11
Water Data for the Nation inventory

Monitoring location 401242074345201 is associated with a Well in Mercer County, New Jersey. Water data back to 1987 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
401242074345201 n/a
Site name
210651-- Co 2 n/a
Site type
Well
GW
DMS latitude 401238.9 n/a
DMS longitude 0743447.8 n/a
Decimal latitude 40.21080556 n/a
Decimal longitude -74.5799444 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - 1 min. M
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 Robbinsville Township n/a
Name of location map Allentown n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 134 feet n/a
Method altitude determined Light Detection And Ranging, airplane J
Altitude accuracy 1.5 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
19870824 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
Unchecked data. U
Data-other GW files YYYY Y n/a
National aquifer Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Magothy-Raritan-Potomac Aquifer System, Upper Aquifer 211MRPAU
Local aquifer type
n/a
Well depth 232 feet n/a
Hole depth
253 feet n/a
Source of depth data D n/a
Project number WaterUse n/a