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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 2002-05-23 2021-06-15
Inorganics, Major, Metals Water-quality 2002-05-23 2021-06-15
Inorganics, Major, Non-metals Water-quality 2002-05-23 2021-06-15
Inorganics, Minor, Non-metals Water-quality 2002-05-23 2021-06-15
Inorganics, Minor, metals Water-quality 2002-05-23 2021-06-15
Nutrient Water-quality 2002-05-23 2021-06-15
Organics, PFAS Water-quality 2021-06-15 2021-06-15
Organics, other Water-quality 2002-05-23 2021-06-15
Organics, pesticide Water-quality 2002-05-23 2021-06-15
Physical Groundwater Levels, Water-quality 2002-05-23 2024-05-21
Radiochemistry Water-quality 2002-05-23 2021-06-15
n/a USGS Active Groundwater Level Network Site 2007-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2007-01-01 2012-01-01
Water Data for the Nation inventory

Monitoring location 401942074510101 is associated with a Well in Mercer County, New Jersey. Water data back to 2002 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
401942074510101 n/a
Site name
210608-- MW76 n/a
Site type
Well
GW
DMS latitude 401942 n/a
DMS longitude 0745101 n/a
Decimal latitude 40.3284402 n/a
Decimal longitude -74.8498864 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
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
Mercer County 021
Country US n/a
Land net location description Hopewell Township n/a
Name of location map Pennington n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 218 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
Middle Delaware-Musconetcong 02040105
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
20011206 n/a
Date site established or inventoried 20020523 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 YYYY Y n/a
National aquifer Early Mesozoic basin aquifers N300ERLMZC
Local aquifer Lockatong Formation 231LCKG
Local aquifer type
Unconfined single aquifer U
Well depth 35 feet n/a
Hole depth
35 feet n/a
Source of depth data D n/a
Project number n/a