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

Available data

Select data types to graph from categories based on the way the data were collected.

1 data types available - data from 2007-10-01 to 2026-05-14

1 data types available - data from 2006-10-14 to 2026-05-13

3 data types available - data from 2002-02-19 to 2026-05-20

0 observed properties (data types) available

1 data types available - data from 2006-10-14 to 2026-05-13

Zoom out to see link to My Favorites

Operated in cooperation with:

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	404014074585401	n/a
Location name	190495-- NJWSA TW-B	n/a
Site type	Well	GW
Decimal latitude (WGS84)	40.6704444444444	n/a
Decimal longitude (WGS84)	-74.9817777777778	n/a
Latitude-longitude method	Differential Global Positioning System (DGPS)	D
Latitude-longitude accuracy	Accurate to + or - .1 sec (Differentially-Corrected GPS).	1
District	New Jersey	34
State	New Jersey	34
County	Hunterdon County	019
Country	United States of America	n/a
Altitude of gage/land surface	620.59 feet	n/a
Method altitude determined	Light Detection And Ranging, airplane	J
Altitude accuracy	5 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Raritan	02030105
Drainage basin		n/a
Date of first construction	20020122	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
National aquifer	Piedmont and Blue Ridge crystalline-rock aquifers	N400PDMBRX
Local aquifer	Precambrian Erathem	400PCMB
Local aquifer type	Unconfined single aquifer	U
Well depth	380 feet	n/a
Hole depth	380 feet	n/a
Source of depth data	D	n/a