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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.

To access the New Jersey Groundwater Levels and Trends for this site, click here.

Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Groundwater Levels, Unit Values 1989-06-27 2024-10-29
n/a USGS Active Groundwater Level Network Site 1989-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2006-01-01 2024-01-01
Water Data for the Nation inventory

Monitoring location 401834074515501 is associated with a Well in Mercer County, New Jersey. Water data back to 1989 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
401834074515501 n/a
Site name
210366-- Wash Crossing Pk 14 Obs n/a
Site type
Well
GW
DMS latitude 401837 n/a
DMS longitude 0745115 n/a
Decimal latitude 40.31038498 n/a
Decimal longitude -74.85377538 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 Hopewell Township n/a
Name of location map Pennington n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 183.3 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 YNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19890626 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 YYYYNYNN n/a
National aquifer Early Mesozoic basin aquifers N300ERLMZC
Local aquifer Passaic Formation 227PSSC
Local aquifer type
Unconfined single aquifer U
Well depth 225 feet n/a
Hole depth
225 feet n/a
Source of depth data O n/a
Project number 245400200 n/a

Operated in cooperation with:

logo for New Jersey Department of Environmental Protection
New Jersey Department of Environmental Protection
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds