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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 1987-06-18 1996-05-21
Water Data for the Nation inventory

Monitoring location 401715074395401 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
401715074395401 n/a
Site name
210490-- L2-1/MW-7 Lf n/a
Site type
Well
GW
DMS latitude 401715 n/a
DMS longitude 0743954 n/a
Decimal latitude 40.28760824 n/a
Decimal longitude -74.6646027 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 5 sec. F
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
Mercer County 021
Country US n/a
Land net location description West Windsor Township n/a
Name of location map Princeton n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 92.37 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .1 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
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
19870618 n/a
Date site established or inventoried 19961118 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 Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Undifferentiated Holocene, Pleistocene, Pliocene, and Miocene 111HPPM
Local aquifer type
Unconfined single aquifer U
Well depth 20 feet n/a
Hole depth
20 feet n/a
Source of depth data D n/a
Project number n/a