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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
Information Water-quality 1994-08-12 1994-08-12
Inorganics, Major, Metals Water-quality 1994-08-12 1994-08-12
Inorganics, Major, Non-metals Water-quality 1994-08-12 1994-08-12
Inorganics, Minor, Non-metals Water-quality 1994-08-12 1994-08-12
Inorganics, Minor, metals Water-quality 1994-08-12 1994-08-12
Nutrient Water-quality 1994-08-12 1994-08-12
Organics, other Water-quality 1994-08-12 1994-08-12
Physical Daily Values, Groundwater Levels, Unit Values, Water-quality 1989-07-14 2024-11-23
Radiochemistry Water-quality 1994-08-12 1994-08-12
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 2023-01-01
Water Data for the Nation inventory

Monitoring location 403517074452501 is associated with a Well in Hunterdon County, New Jersey. Current conditions of Depth to water level are available. Water data back to 1989 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
403517074452501 n/a
Site name
190270-- Readington 11 Obs n/a
Site type
Well
GW
DMS latitude 403517 n/a
DMS longitude 0744525 n/a
Decimal latitude 40.5881582 n/a
Decimal longitude -74.7565514 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
Hunterdon County 019
Country US n/a
Land net location description Readington Township n/a
Name of location map Flemington n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 224.99 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
Raritan 02030105
Drainage basin
n/a
Topographic setting
Undulating
U
Flags for instruments at site YNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19890630 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 101 feet n/a
Hole depth
101 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
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USGS - Cooperative Matching Funds